Tektronix P6708 Instruction Manual

Download

P6700 Series

ZZZ

Serial Analyzer Probes

Instruction Manual

*P077011500*

077-0115-00

P6700 Series

ZZZ

Serial Analyzer Probes

Instruction Manual

Revision B

www.tektronix.com

077-0115-00

Copyright © Tektronix. All rights reserved. Licensed software products are owned by Tektronix or its subsidiaries or suppliers, and are protected by national copyright laws and international treaty provisions.

Tektronix products are c overed by U.S. and foreign patents, issued and pending. Information in this publication supersedes that in all previously published material. Speciﬁcations and price change privileges reserved.

TEKTRONIX and TEK are registered trademarks of Tektronix, Inc.

RT-Eye is a registered trademark of Tektronix, Inc.

PCI Express is a registered trademark of PCI-SIG®.

G3PO is a trademark of Corning Gilbert Inc.

Contacting Tektronix

Tektroni 14200 SW Karl Braun Drive P.O . Bo x 50 0 Beaverton, OR 97077 USA

For pro

x, Inc.

duct information, sales, service, and t echnical support: In North America, call 1-800-833-9200. Worl d wide, vi sit www.tektronix.com to ﬁnd contacts in your area.

Warranty

Tektronix warrants that this product will be free from defects in materials and workmanship for a period of one (1) year from the date of shipment. If any such product proves defective during this warranty period, Tektronix, at its option, either will repair the defective product without charge for parts and labor, or will provide a replacement in exchange for the defective product. Parts, modules and replacement products used by Tektronix for warranty work may be n the property of Tektronix.

ew or reconditioned to like new performance. All replaced parts, modules and products become

In order to o the warranty period and make suitable arrangements for the performance of service. Customer shall be responsible for packaging and shipping the defective product to the service center designated by Tektronix, with shipping charges prepaid. Tektronix shall pay for the return of the product to Customer if the shipment is to a location within the country in which the Tektronix service center is located. Customer shall be responsible for paying all shipping charges, duties, taxes, and any other charges for products returned to any other locations.

This warranty shall not apply to any defect, failure or damage caused by improper use or improper or inadequate maintenance and care. Tektronix shall not be obligated to furnish service under this warranty a) to repair damage result b) to repair damage resulting from improper use or connection to incompatible equipment; c) to repair any damage or malfunction caused by the use of non-Tektronix supplies; or d) to service a product that has been modiﬁed or integrated with other products when the effect of such modiﬁcation or integration increases the time or difﬁculty of servicing the product.

THIS WARRANTY IS GIVEN BY TEKTRONIX WITH RESPECT TO THE PRODUCT IN LIEU OF ANY OTHER WARRANTIES, EXPRESS OR IMPLIED. TEKTRONIX AND ITS VENDORS DISCLAIM ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.

TRONIX’ RESPONSIBILITY TO REPAIR OR REPLACE DEFECTIVE PRODUCTS IS THE SOLE

TEK AND EXCLUSIVE REMEDY PROVIDED TO THE CUSTOMER FOR BREACH OF THIS WARRANTY. TEKTRONIX AND ITS VENDORS WILL NOT BE LIABLE FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES IRRESPECTIVE OF WHETHER TEKTRONIX OR THE VENDOR HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.

[W2 – 15AUG04]

btain service under this warranty, Customer must notify Tektronix of the defect before the expiration of

ing from attempts by personnel other than Tektronix representatives to install, repair or service the product;

Table of Contents

General Safety Summary .......................................................................................... v

Service Safety Summary........................ ................................ ................................ . vii

Environmental Considerations .................................................................................. viii

Preface.............................................................................................................. ix

Related Documentation ...................................................................................... ix

List of Terms ................................................................................................... x

Getting Started . . . .. . ... ... . .. . ... ... . ... ... . . .. . ... ... . ... ... ... . ... ... . ... ... ... . ... ... . .. . ... ... . ... ... ... . ... ... . 1

Product Description....................................... ................................ ..................... 1

Serial Analyzer Conﬁgurations........................ .................................. ..................... 4

Operating Basics.................................................................................................... 5

Preparing for Installation of the Midbus Retention Mechanism.......................................... 5

Installing the Midbus Retention Mechanism . ... . ... ... ... . ... ... . .. . ... ... . ... ... ... . ... ... . ... ... ... . ... . 5

Connecting the Midbus Probe..... ................................ .................................. ......... 7

Arranging the Midbus Probe Cables......................................................................... 9

Connecting a Slot Interposer Probe......................................................................... 10

Connecting the Solder-Down Probe ................ ................................ ........................ 14

Reference ................... .................................. ................................ ...................... 19

Probe Dimensions ............................................................................................ 19

Circuit Board Design......................................................................................... 23

Midbus Footprint Pin and Probe Channel Assignments........ ................................ .......... 40

Rearranging Wires in the Probe Connector ................................................................ 57

Adding Probes to the P6701SD Probe Connector........................... .............................. 60

Speciﬁcations .... .................................. ................................ ................................ 61

Environmental. ................................ .................................. .............................. 61

Maintenance........................................................................................................ 63

Inspection and Cleaning.......................................... ................................ ............ 67

Storing the Probe.................................... .................................. ........................ 67

Repackaging Instructions ...... ................................ .................................. ............ 67

Appendix A: PCI Express System Design Review Checklist ................................................ 69

General Consideratio

Midbus Probe Conﬁguration ................................................................................ 69

Mechanical Considerations .......... .................................. ................................ ...... 69

Electrical Considerations .... ................................ .................................. .............. 71

Appendix B: Reference Files................................... ................................ .................. 73

Index

ns .... .................................. ................................ ................ 69

P6700 Series Serial Analyzer Probes Instruction Manual i

Table of Contents

List of Figure

Figure 1: P6716 16-Channel Midbus probe .............. ................................ ....................... 1

Figure 2: P6708S Slot interposer probe.......................................................................... 2

Figure 3: P6701SD Solder-Down probe ......................................................................... 3

Figure 4: 16-Channel footprint..................................... ................................ ............... 5

Figure 5: Installing the retention mechanism. . ... ... . .. . ... ... . ... ... ... . ... ... . . .. . ... ... . .. . ... ... . .. . ... ... . . 6

Figure 6: Soldering the anchoring posts to the PCB............................................................ 6

Figure 7: Connecting a probe to the retention mechanism.................................... ................. 8

Figure 8: Arranging the midbus probe cables ................................................................... 9

Figure 9: Connecting a slot interposer probe......... ................................ .......................... 11

Figure 10: Installing the P6701SD probe ... ... . .. . ... ... . ... ... . ... ... . .. . ... ... . ... ... . ... ... . .. . ... ... . ... ... 14

Figure 11: Connecting the P75TLRST tip to the probe head................................................. 15

Figure 12: Connecting wires to the circuit.......... ................................ ............................ 16

Figure 13: Connecting the tip to the circuit............... ................................ ...................... 17

Figure 14: P6716S dimensions................................... ................................ ................ 19

Figure 15: P6716 cable length dimensions ..................................................................... 20

Figure 16: P6716S cable length dimensions...... ................................ .............................. 20

Figure 17: P6701S, P6704S, and P6708S dimensions .............. ................................ .......... 21

Figure 18: P6701SD dimensions ............ ................................ .................................. .. 22

Figure 19: P75TLRST Solder Tip dimensions................................................................. 22

Figure 20: 8-Channel midbus footprint dimensions and keep-out area ..................................... 24

Figure 21: 16-Channel midbus footprint dimensions and keep-out area .................................... 25

Figure 22: Recommended trace routing on primary surface layer ............. .............................. 26

Figure 23: Via and trace keep-out areas for the P6708 8-Channel probe ................................... 27

Figure 24: Via and trace keep-out areas for the P6716 16-Channel probe ................ .................. 27

Figure 25: Recomme nded trace routing on inner or secondary surface layer (prima

shown) ......................................................................................................... 27

Figure 26: Recommended trace routing on inner or secondary surface layer (primary layer pads not

shown) ......................................................................................................... 28

Figure 27: Clock cable connector dimensions ................................................................. 29

Figure 28: P75TLRST TriMode Long Reach Solder Tip ..................................................... 30

Figure 29: Typical wire length from probe tip to circuit...................................................... 31

Figure 30: P75TLRST solder tip with 0.010 inch of tip wire ................................ ................ 32

Figure 31: P75TLRST solder tip with 0.050 inch of tip wire ................................ ................ 32

Figure 32: P75TLRST solder tip with 0.100 inch of tip wire ................................ ................ 33

Figure 33: P75TLRST solder tip with 0.200 inch of tip wire ................................ ................ 33

Figure 34: P75TLRST TriMode Long Reach Solder Tip dimensions ....................................... 34

Figure 35: Signal eye measurements (time versus voltage) .................................................. 34

Figure 36: Periodic jitter gain function ... ... ... . ... ... ... . ... ... ... . ... ... . .. . ... ... . .. . ... ... . ... ... ... . ... ... 36

ry layer pads

ii P6700 Series Serial Analyzer Probes Instruction Manual

Table of Contents

Figure 37: S-pa

Figure 38: S-parameter data of retention mechanism plus P6700 Series midbus probe................... 37

Figure 39: S-parameter data of P6701SD Solder-Down probe................................... ............ 38

Figure 40: Slot Interposer probe with a clock cable connected .. .................................. .......... 39

Figure 41: P6708 8-Channel probe footprint pin assignments ............................................... 40

Figure 42: P6716 16-Channel probe footprint pin assignments.............................................. 40

Figure 43: 8

Figure 44: 16-Channel midbus footprint connection module connector .................................... 41

Figure 45: Opening the probe connector........................................................................ 58

Figure 46: Removing the probe sleeve.......................................................................... 58

Figure 47: Probe labels ........................................................................................... 59

Figure 48: Removing individual wires.......................................................................... 59

Figure 4

Figure 50: Replaceable bullets and tool... ................................ ................................ ...... 63

Figure 51: Removing the bullet contacts ... .................................. ................................ .. 64

Figure 52: Inspect the bullet contacts ........................................................................... 65

Figure 53: Installing the bullet contacts. ... . .. . ... ... . .. . ... ... . .. . ... ... . ... ... ... . ... ... ... . ... ... ... . ... ... .. 66

9: Inserting additional probe wires . ... ... ... . .. . ... ... ... . ... ... ... . .. . ... ... . .. . ... ... ... . ... ... ... . . 60

rameter data of retention mechanism only ................................................... 37

-Channel midbus footprint connection module connector...................................... 40

P6700 Series Serial Analyzer Probes Instruction Manual iii

Table of Contents

List of Tables

Table i: Terms used in this document ............................................................................ x

Table 1: Ser

Table 2: Recommended circuit board design criteria.......................................................... 23

Table 3: Via and trace characteristics ....... ................................ .................................. .. 26

Table 4: Clock cable three-pin connector pin assignments ................................................... 28

Table 5: Probe Eye Requirements ............... .................................. .............................. 35

Table 6: Reference clock electrical requirements .............................................................. 39

Table 7: X

Table 8: X8 bidirectional link.................................................................................... 44

Table 9: X8 (2) unidirectional links ............................................................................. 45

Table 10: X4 bidirectional link .................................................................................. 46

Table 11: X4 (2) unidirectional links................................ ................................ ............ 47

Table 12: X2 bidirectional link .................................................................................. 48

Table

Table 14: X1 bidirectional link .................................................................................. 50

Table 15: X1 (2) unidirectional links.......................... ................................ .................. 51

Table 16: X8 unidirectional link ............................. ................................ .................... 52

Table 17: X4 bidirectional link .................................................................................. 52

Table 18: X4 (2) unidirectional links.......................... ................................ .................. 53

ble 19: X4 unidirectional link and a X2 unidirectional link ................... ............................ 53

Table 20: X4 unidirectional link and a X1 unidirectional link . .................................. ............ 54

Table 21: X2 bidirectional link .................................................................................. 54

Table 22: X2 (2) unidirectional links.......................... ................................ .................. 55

Table 23: X1 bidirectional link .................................................................................. 55

Table 24: X1 (2) unidirectional links.......................... ................................ .................. 56

Table 25: Atmospheric characteristics .......................................................................... 61

Table 26: Midbus Probe Conﬁguration ..... .................................. ................................ .. 69

Table 27: Midbus Probe .......................................................................................... 69

Table 28: Slot Interposer Probe .................................................................................. 70

Table 29: Reference Clock Connector .............................. .................................. .......... 70

Table 30: Midbus Probe .......................................................................................... 71

Table 31: Slot Interposer Probe .................................................................................. 71

Table 32: Reference Clock Connector .............................. .................................. .......... 72

ial analyzer conﬁguration............................. ................................ ............... 4

16 unidirectional link ................. .................................. .............................. 43

13: X2 (2) unidirectional links............................................ ................................ 49

iv P6700 Series Serial Analyzer Probes Instruction Manual

General Safety Summary

General Safet

To Avoid Fire or Personal

Injury

ySummary

Review the fo this product or any products connected to it.

To avoid pot

Only qualiﬁed personnel should perform service procedures.

While using this product, you may need to access other parts of a larger system. Read the safety sections of the other component manuals for warnings and cautions r

Connect and Disconnect Properly. Connect the probe output to the measurement instrument before connecting the probe to the circuit under test. Connect the probe reference lead to the circuit under test before connecting the probe input. Disconnect the probe input and the probe reference lead from the circuit under test before

Ground the Product. This product is indirectly grounded through the grounding condu conductor must be connected to earth ground. Before making connections to the input or output terminals of the product, ensure that the product is properly grounded.

disconnecting the probe from the measurement instrument.

ctor of the mainframe power cord. To avoid electric shock, the grounding

llowing safety precautions to avoid injury and prevent damage to

ential hazards, use this product only as speciﬁed.

elated to operating the system.

Observe All Terminal Ratings. To a v o i d ﬁre or shock hazard, observe all ratings and markings on the product. Consult the product manual for further ratings information before making connections to the product.

The inputs are not rated for connection to mains or Category II, III, or IV circuits.

Do not apply a potential to any terminal, including the common terminal, that exceeds the maximum rating of that terminal.

Power Disconnect. The power cord disconnects the product from the power source. Do not block the power cord; it must remain accessible to the user at all times.

Do Not Operate Without Covers. Do not operate this product with covers or panels removed.

Do Not Operate With Suspected Failures. If you suspect that there is damage to this product, have it inspected by qualiﬁed service personnel.

Avoid Exposed Circuitry. Do not touch exposed connections and components when power is present.

P6700 Series Serial Analyzer Probes Instruction Manual v

General Safety Summary

TermsinthisManual

Symbols and Terms on the

Product

Do Not Operate i

Do Not Operate in an Explosive Atmosphere.

Keep Product Surfaces Clean and Dry.

Provide Prop

details on installing the product so it has proper ventilation.

These terms may appear in this manual:

WARNING.

in injury or loss of life.

CAUTION

damage to this product or other property.

These t

. Caution statements identify conditions or practices that could result in

erms may appear on the product:

DANGER indicates an injury hazard immediately accessible as you read the ma

n Wet/Damp Conditions.

er Ventilation. Refer to the manual’s installation instructions for

Warning statements identify conditions or practices that could result

rking.

WARNING indicates an injury hazard not immediately accessible as you

the marking.

read

CAUTION indicates a hazard to property including the product.

The following symbol(s) may appear on the product:

vi P6700 Series Serial Analyzer Probes Instruction Manual

Service Safety Summary

Service Safet

y Summary

Only qualiﬁe Safety Summary and the General Safety Summary before performing any service procedures.

Do Not Service Alone. Do not perform internal service or adjustments of this product unless another person capable of rendering ﬁrst aid and resuscitation is present.

Disconnect Power. To avoid electric shock, switch off the instrument power, then disconnect the power cord from the mains power.

UseCareWhenServicingWithPowerOn. Dangerousvoltagesorcurrentsmay exist in disconnect test leads before removing protective panels, soldering, or replacing components.

To avoid electric shock, do not touch exposed connections.

d personnel should perform service procedures. Read this Service

this product. Disconnect power, remove battery (if applicable), and

P6700 Series Serial Analyzer Probes Instruction Manual vii

Environmental Considerations

Environmenta

Product End-of-Life

Handling

Restriction of Hazardous

Substances

l Considerations

This section

Observe the following guidelines when recycling an instrument or component:

Equipment R

use of natural resources. The equipment may contain substances that could be harmful to the environment or human health if improperly handled at the product’s end of life. In order to avoid release of such substances into the environment and to reduce the use of natural resources, we encourage you to recycle this product in an appropriate system that will ensure that most of the materials are reused or recycle

This product has been classiﬁed as Monitoring and Control equipment, and is outside the scope of the 2002/95/EC RoHS Directive.

provides information about the environmental impact of the product.

ecycling. Production of this equipment required the extraction and

d appropriately.

This symbol indicates that this product complies with the European Union’s requirements according to Directive 2002/96/EC on waste electrical and

nic equipment (WEEE). For information about recycling options, check

electro the S upport/Service section of the Tektronix Web site (www.tektronix.com).

viii P6700 Series Serial Analyzer Probes Instruction Manual

Preface

This manual c

ontains information needed to install and use a P6700 Series probe with a TLA7S08 or TLA7S16 Serial Analyzer module to debug, validate, and verify computer and embedded systems.

Related Documentation (cont.)

Item Purpose Location

Field upgrade kits

Optional Service Manuals Self-service documentation for modules

Upgrade information for your logic analyzer

and mainfr

ames

List of Terms

The following is a list of terms that appear in this manual. You may want to review this list if you are unfamiliar with some of the terms. For a list of PCI Express®-speciﬁc terms, refer to the PCI Express Base Speciﬁcation.

Table i: Terms used in this document

Term Description

Footprint

tion Mechanism

Reten

Probe Head

Full-width

Half-width 8-Channel

Link

Differential Pair A set of two signals, positive and negative, transmitting data

Lane

PCB

SUT System under test. This is the system/circuit board(s) you intend

An arrangement of pads built into the board as speciﬁed in the PCI Exp retention mechanism.

The mechanism that connects the probe head to the PCB. It ﬁts on the footprint and must be soldered to the PCB.

The end of the probe that connects to the retention mechanism.

16-Channel

A connection between two PCI Express devices. A link consists of of a number (N) lanes.

from one device to another.

A single differential pair (two signals) that transmit data in one d

Printed circuit board

to test with the serial analyzer.

ress Base Speciﬁcation. It is the contact point for the

a number of lanes. A link described as by-N (or xN) consists

irection of a PCI Express Link. A unidirectional lane.

x P6700 Series Serial Analyzer Probes Instruction Manual

Getting Started

Product Descr

Midbus Probes

iption

Tektronix offers three types of probes for the TLA7S08 and TLA7S16 Serial Analyzer modules:

Midbus probes

Slot interposer probes

Solder-down probes

A midbus p You must install the retention mechanism to either a PCI Express Gen1 or Gen2 footprint on your circuit board.

Tektronix offers the following midbus probes:

P6708 8

P6716 16-Channel Midbus probe

robe connects to a retention mechanism installed on your circuit board.

-Channel Midbus probe

Figure 1: P6716 16-Channel Midbus probe

P6700 Series Serial Analyzer Probes Instruction Manual 1

Getting Started

Slot Interposer Probes

A slot interpos has a x16 connector for a PCI Express card device.

Tektronix off

P6701S PCI Express x1 Slot Interposer probe

P6704S PCI Express x4 Slot Interposer probe

P6708S PCI Express x8 Slot Interposer probe

P6716S PCI Express x16 Slot Interposer probe

er probe connects to a PCI Express slot on your SUT. Each probe

ers the following (bidirectional) slot interposer probes:

Figure 2: P6708S Slot interposer probe

2 P6700 Series Serial Analyzer Probes Instruction Manual

Getting Started

P6701SD Solder-Down

Probe

The P6701SD pro tip (P75TLRST). Up to four probes (one differential pair each) can be installed in each signal connector to the serial module. (See page 60, Adding Probes to the P6701SD Probe Connector.)

be connects to your SUT through the differential solder-down

Figure 3: P6701SD Solder-Down probe

P6700 Series Serial Analyzer Probes Instruction Manual 3

Getting Started

Serial Analyz

er Conﬁgurations

The following table lists the minimum serial analyzer conﬁguration required by link widths.

Table 1: Ser

Link width

X11111

X41111

X81112

X16 1 2 2 2

The link width can be supported with either a P6716P Slot Interposer probe or a P6708 Slot Interposer probe. Choose one or the other, based on the footprint on your platform.

To capture signals from a bidirectional X16 link, you will need two serial analyzer modules connected to a slot interposer probe. (See page 12, Connecting a Probe to a Bidirectional X16 Link.)

ial analyzer conﬁguration

TLA7S16 TLA7012 or TLA7016 mainframe

Serial

Analyzer

module P6716 probe

P6708 probe

4 P6700 Series Serial Analyzer Probes Instruction Manual

Operating Basics

Preparing for Installation of the Midbus Retention Mechanism

Cleaning the Footprint

Inspect the footprint for lint, oil, or ﬁngerprints. If the footprint is dirty, clean it by following these steps:

CAUTION. To avoid electrical damage, always power off your system under test

before cleaning the footprint.

1. Use a lint-free, clean-room cloth lightly moistened with electronic/reagent grade isopropyl alcohol, and gently wipe the surface of the footprint.

2. Remove any remaining lint using a nitrogen air gun or clean, oil-free dry air.

Figure 4: 16-Channel footprint

Installing the Midbus Retention Mechanism

Before connecting a midbus probe, you must install the retention mechanism. The retention m echanism connects the probe head to your circuit board (PCB). It ﬁts on the footprint and must be soldered to the PCB. To install the retention mechanism on the circuit board, do the following:

1. Locate the correct footprint. If you intend to use multiple probes, your PCB has multiple footprints. Be careful to select the correct one.

2. Align the retention mechanism over the footprint so that the keying pin on the retention mechanism l (See Figure 5.)

3. Insert the retention mechanism into the holes in the footprint on the PCB.

NOTE. The following two steps are important to ensure that the retention

mechanism is correctly mounted and that the probe makes proper contact with the PCB.

P6700 Series Serial Analyzer Probes Instruction Manual 5

ines up with the k eying pin hole on the footprint.

Operating Basics

4. Hold the retent the footprint, and the four anchoring posts extend through the circuit board to the opposite side.

5. Using a pair of needle-nose pliers, grasp one of the posts. Using the circuit board hole as a fulcrum, bend the post outward so that it secures the mechanism to the PCB. Bend the other three posts in the same manner.

ion mechanism so that it is ﬁrmly ﬂush with the surface of

e 5: Installing the retention mechanism

Figur

6. Solde

Figure 6: Soldering the anchoring posts to the PCB

r the anchoring posts to the PCB.

6 P6700 Series Serial Analyzer Probes Instruction Manual

Operating Basics

Connecting th

Handling the

Connect the Probe

Probe Head

eMidbusProbe

After you have installed the retention mechanism, you are ready to connect the midbus probe.

Handle the probe head with care. Keep the following points in mind:

Handle the probe head by the outer plastic casing. Do not touch the contacts in the center with ﬁngers, tools, wipes, or any other devices.

Do not expose the connector to liquids or dry chemicals.

When connecting the probe, be careful not to touch the probe head contacts to any other surfaces or components on your circuit board.

Connect

1. Locate the correct retention mechanism. If you intend to use multiple probes, your PC one.

2. Align the probe can only be inserted one way.

the probe by following these steps:

B has multiple retention mechanisms. Be careful to select the correct

the probe head with the retention mechanism. Both are keyed so that

3. Pres

s the probe head into the retention mechanism.

P6700 Series Serial Analyzer Probes Instruction Manual 7

Operating Basics

Figure 7: Connecting a probe to the retention mechanism

4. Start both mounting screws in the posts, and tighten them evenly to ensure that the probe approaches and mates squarely to the PCB. If acc ess is limited, use the adjustment tool included with your probe. The probe is completely

ened to the PCB when both mounting screws are seated.

fast

5. Refer to the TLA7S08 & TLA7S16 Serial Analyzer Modules Instruction

ual to verify that all channels are acquiring data. If you suspect that

Man

a p oor probe connection may be the source of a problem, refer to the troubleshooting section of the TLA7S08 & TLA7S16 Serial Analyzer Modules Instruction Manual.

8 P6700 Series Serial Analyzer Probes Instruction Manual

Operating Basics

Arranging the

Midbus Probe Cables

Arrange and hang the probe cables so that the probe head is perpendicular to the circuit board, and tension on the retention mechanism is minimized. Route the cables as str degree bend does not occur within three inches of the circuit board surface. (See Figure 8.) You can route a hanger through the two holes in the cable transition housing as well.

aight as possible, maximizing the bend radius, and make sure that a 90

Figure 8: Arranging the midbus probe cables

P6700 Series Serial Analyzer Probes Instruction Manual 9

Operating Basics

Connecting a S

lot Interposer Probe

Handling the Probe Head

Connect the Probe

Handle the probe head with care. Keep the following points in mind:

Handle the probe head by the outer casing. Do not touch the contacts with ﬁngers, tools, wipes, or any other devices.

Do not expose the connector to liquids or dry chemicals.

When connecting the probe, be careful not to touch the probe head contacts to any other surfaces or components on your circuit board.

CAUTION. Static discharge can damage the probe head. Always wear a grounded

antistatic wrist strap whenever handling the probe head. Also verify that anything to which

Connect the probe by following these steps:

1. Disconnect the power supply to your SUT. Unplug the PC power supply if

2. Locate the correct PCI Express slot.

3. Align the probe with the slot.

the probe head is connected does not carry a static charge.

your SUT is connected to one.

10 P6700 Series Serial Analyzer Probes Instruction Manual

Operating Basics

4. Press the probe

head into the slot.

Figure 9: Connecting a slot interposer probe

5. Position the mounting bracket and attach the screws.

6. Press your PCI Express card device into the probe.

NOTE. When the slot interposer is installed, you must connect the power

ector to the module and the module must be powered on whenever the SUT is

conn powered on.

7. Refer to the TLA7S08 & TLA7S16 Serial Analyzer Modules Instruction ual to verify that all channels are recognizing signals. If y ou suspect

Man

that a poor probe connection may be the source of a problem, refer to the troubleshooting section of the TLA7S08 & TLA7S16 Serial Analyzer Modules Instruction Manual.

P6700 Series Serial Analyzer Probes Instruction Manual 11

Operating Basics

Connecting a Probe to a

Bidirectional X16 Link

To c a p t u r e s i g n serial analyzer modules to a single slot interposer probe. Connect the probe by following these steps:

1. Disconnect the power supply to your SUT. If your SUT is connected to a PC power supply, unplug the power supply..

2. Locate the correct PCI Express slot.

3. Align the pr

4. Press the probe head into the slot.

als from a bidirectional X16 link you need to connect two

obe with the s lot.

5. Pos

6. Press your PCI Express card device into the probe.

7. Connect the probe to the two serial analyzer modules; connect the probe

12 P6700 Series Serial Analyzer Probes Instruction Manual

ition the mounting bracket and attach the screws.

power connector to either serial analyzer module.

Operating Basics

NOTE. When the s

connector to either module and the modules must be powered on whenever the SUT is powered on.

8. Refer to the T Manual to verify that all channels are recognizing signals. If you suspect

that a poor probe connection may be the source of a problem, refer to the troubleshooting section of the TLA7S08 & TLA7S16 Serial Analyzer Modules

Instruction Manual.

lot interposer is installed, you must connect the power

LA7S08 & TLA7S16 Serial Analyzer Modules Instruction

P6700 Series Serial Analyzer Probes Instruction Manual 13

Operating Basics

Connecting th

Connect to th

Analyzer Module

e Solder-Down Probe

The probe connects to the module and to the probe tip, and the probe tip is soldered to the circuit. Install the probe by following these steps:

eSerial

1. Plug the signal connector into the module and tighten the hold-down screws.

2. Plug the Power Adapter into the module and tighten the hold-down screws.

3. Plug the power connector into any one of the receptacles on the Power

Adapter.

gure 10: Installing the P6701SD probe

14 P6700 Series Serial Analyzer Probes Instruction Manual

Operating Basics

P75TLRST Solder Tip

Install the pro

NOTE. This tip is very small and must be handled carefully. The following

procedures describe the proper techniques for using the tip.

Connect to the Probe Head. The probe body and tip cable ends a re keyed to ensure correct installation.

1. Orient the probe body with the + and – inputs on top.

2. Align the tip cable lead with the red band to the + input.

be tip by following these steps:

Figure

3. Grasp

4. To remove the tip, pull the cable tab straight out from the probe body.

CAUTION. Pull only on the cable tab when removing the tip. You can damage the

tip or probe if you pull on the cables.

11: Connecting the P75TLRST tip to the probe head

the cable connector by hand and push the cable into the probe body until you feel a click. The cable housing is fully seated when it is ﬂush with the edge of the probe body.

P6700 Series Serial Analyzer Probes Instruction Manual 15

Operating Basics

Connect to the C

in this manual for reference. (See Figure 34 on page 34.) You can also design the tip footprint into your circuit board layout for easier test connections.

To connect the probe tip to your circuit, use the wire and solder that are provided in the wire replacement kit. The kit includes:

0.004 in (0.1016 mm) wire

0.008 in (0.

SAC305 solder (RoHS compliant)

1. Identify a location where the tip can b e placed, soldered, and secured to your circuit. You can work with long wires (~1 inch), but keep the ﬁnished wire lengths o

2. Lay the wires against a circuit board pad, trace, or other conductive feature. (If vias or t

3. Solder the wires to your circuit.

ircuit. The dimensions of the solder tip connections are provided

2032 mm) wire

f the signal and ground connections as short as possible.

hrough-holes are very close, you can thread the wires through them.)

Figure 12: Connecting wires to the circuit

16 P6700 Series Serial Analyzer Probes Instruction Manual

Operating Basics

4. Attach tip tape

5. Clean out the tip vias with a solder-wicking material if you are reusing the

tip. Thread th

6. Press the tip to the circuit board and quickly solder the wires to the tip. Keep all ﬁnished

7. Clip off the excess wire from all of the solder joints.

8. Push the end of the tip into the probe head until it seats in the probe head.

to the bottom of the tip.

e wires through the tip.

wire lengths as short as possible.

Figure 13: Connecting the tip to the circuit

9. Secure the probe to the circuit board with tape or with the hook-and-loop

ips and dots that are included with the probe.

str

P6700 Series Serial Analyzer Probes Instruction Manual 17

Operating Basics

18 P6700 Series Serial Analyzer Probes Instruction Manual

Reference

Probe Dimensions

This section provides guidelines for designing a system to b e tested with a P6700 series probe(s).

The following ﬁgure shows dimensions of the P6700 series probes. Both the P6708 and P

6716 have the same cable lengths.

Figure 14: P6716S dimensions

P6700 Series Serial Analyzer Probes Instruction Manual 19

Reference

Figure 15: P6716 cable length dimensions

The following ﬁgures show the dimensions of the P6700S slot interposer probes.

re 16: P6716S cable length dimensions

Figu

20 P6700 Series Serial Analyzer Probes Instruction Manual

Reference

Figure 17: P6701S, P6704S, and P6708S dimensions

P6700 Series Serial Analyzer Probes Instruction Manual 21

Reference

Figure 18: P6701SD dimensions

Figure 19: P75TLRST Solder Tip dimensions

22 P6700 Series Serial Analyzer Probes Instruction Manual

Reference

Circuit Board

Mechanical D

Design

esign

Use the following mechanical and electrical guidelines when designing your system.

This section provides mechanical design details for the midbus probe, including footprint dimensions, footprint keep-out areas, and trace and via size, and routing requirements.

Table 2: Re

Paramete

Maximum circuit board thicknes

Footprint type

Pad ﬁnis

commended circuit board design criteria

Descript

3.81 mm (0

PCI Expr

Immersi level (HASL) also acceptable)

ion

.150 in)

ess Gen1 or Gen2

on gold over nickel (immersion silver and hot air solder

NOTE. Tektronix recommends that the holes made for the retention mechanism

remain unconnected to a ground plane. This prevents overheating the

posts ground plane and promotes quicker soldering of the retention posts to your PCB.

print dimensions and keep-out area. Design your circuit board layout using

Foot

the following footprint dimensions so that a probe retention mechanism will ﬁt properly and make good electrical contact with your system. (See Figure 20 on page 24.) The space around the footprint (keep-out area) represents the area that will be covered by the retention mechanism.

P6700 Series Serial Analyzer Probes Instruction Manual 23

Reference

Figure 20: 8-Channel midbus footprint dimensions and keep-out area

24 P6700 Series Serial Analyzer Probes Instruction Manual

Reference

e 21: 16-Channel midbus footprint dimensions and keep-out area

Figur

Routing Considerations for the Midbus Probe Footprint. Routing and simulation

studies have been performed near and through the PCI Express midbus footprint to determine a best known method for maintaining integrity of the system

nel as well as provide an adequate signal to the serial a nalyzer. However,

chan the following information does not imply that superior routing techniques do not exist. It is mandatory that you closely monitor and simulate the routing near and through the midbus probe to insure that integrity of the system and midbus signal eye are maximized. Some dimensional details concluded from these simulations and studies are provided in the following table.

OTE. The via hole size in the following table is a minimum size, based on the

assumption that the circuit board is 2.36 mm (0.093-inch) thick.

P6700 Series Serial Analyzer Probes Instruction Manual 25

Reference

Table 3: Via and

Parameter Size

Via hole 10 mil

Via annular ring 20 mil

Via antipad 33 mil

Minimum spac and pad

Trace width 14 mil

Microtrace width 5 mil

Space between traces (before and after footprint

Space bet footprint negotiation)

Primary

negotiation)

ween microtraces (before and after

Surface Layer Routing. The following ﬁgure shows recommended trace

trace characteristics

e between via annular ring

5mil

14 mil

5mil

routing on the primary surface layer (the surface where the midbus footprint will be). The solid white pads shown in the diagram are the ground pads.

Figure 22: Recommended trace routing on primary surface layer

Tektronix recommends that you design your footprint so that there are no traces or vias in the two spaces designated in the following diagram. If your design requires the use of these two spaces, Tektronix recommends that you fully solder mask these areas.

26 P6700 Series Serial Analyzer Probes Instruction Manual

Figure 23: Via and trace keep-out areas for the P6708 8-Channel probe

Reference

Figure 24: Via and trace keep-out areas for the P6716 16-Channel probe

Inner Layer or Secondary Surface Layer Routing. The following ﬁgures show

suggested trace routing on the inner layer, and the secondary surface layer (the surface opposite from where the midbus footprint will be). The solid white pads shown in the diagram a re the ground pads.

Figure 25: Recommended trace routing on inner or secondary surface layer (primary layer pads shown)

P6700 Series Serial Analyzer Probes Instruction Manual 27

Reference

Figure 26: Recommended trace routing on inner or secondary surface layer (primary layer pads not shown)

Clock Cable Three-Pin

Connector

If you intend to use a midbus probe and a clock cable, a three-pin micro-terminal strip connector must be installed on your SUT. A non-intrusive clock cable (Tektro

nix part number, 672-6285-00) has two SMA connectors on one end

(+ and –), and a small circuit board with a mating three-pin connector on the other. Only one connector is needed, even if more than one TLA7S08 or TLA7S16 module is used. In this case, a “jumper” clock cable with SMA connectors on each end (+ and –) can connect the two modules and share the clock signal.

Tektronix suggests installing the following three-pin connector (or similar):

Through hole: Samtec® TMS 103-02-S-S

(1x3,0.05centerspacing)

face mount: Samtec® FTR 103-02-S-S

Sur

(1x3,0.05centerspacing)

ble 4: Clock cable three-pin connector pin assignments

Signal Pin number

REFCLKp 1 (or 3)

GND

REFCLKn 3 (or 1)

The serial analyzer module is not sensitive to the polarity of the reference clock signal. The clock cable connector can be attached in either orientation.

28 P6700 Series Serial Analyzer Probes Instruction Manual

Reference

Figure 27: Clock cable connector dimensions

For more speciﬁc information on keep-out volumes for particular system conﬁgurations, contact your local Tektronix representative.

P6700 Series Serial Analyzer Probes Instruction Manual 29

Reference

P6701SD Probe Solder Tip

(P75TLRST)

The P75TLRST pr is composed of a small form factor interconnect circuit board with SMD0402 damping resistors and a set of vias for wire attachment to the SUT. The circuit board vias are designed for both 4 mil and 8 mil wire and a special high tensile strength wire is supplied as part of the wire accessory kit. The expanded v iew of the probe tip shows the location of the + and – signal inputs as well as the two ground refe

Figure 2

Attach a polarized G3PO dual connector block. The 3GPO connectors use a miniature, high frequency design that enables quick and easy installation of the P75TLRST solder tip. The G3PO connector block of the probe tip is inserted into the input nose piece on the end of the P6701SD Serial Analyzer probe body. The probe body contains a mating, polarized G3PO connector block with attached G3PO

ector bullets.

conn

rence connections. (See Figure 28.)

8: P75TLRST TriMode Long Reach Solder Tip

ed to the circuit board a re a pair of very low skew (<1ps) coaxial cables and

obe tip is designed for solder-down probing applications. It

The connector bullets are a part of the G3PO connector design, providing a

f-aligning interconnect mechanism between G3PO connectors. The G3PO

sel connector in the probe body is designed to have higher detent force than the probe tip connectors, which is intended to ensure that the G3PO bullets remain in the probe body connector when disconnected.

The probe body nose piece, with its integral spring mechanism, helps to provide a self-aligning mechanism for hand insertion of the probe tip. The probe body nose springs also give a secure capture of the probe tip connector after insertion.

Release of the probe tip is assisted by using the wire-connected cable release holder on the probe tip connector. This probe tip release holder should always be used rather than pulling on the probe tip cables, which may cause tip cable damage.

The recommended wire attachment method is to ﬁrst solder the wires to the SUT, being careful to minimize the wire length of the signal and ground connections. This is followed by threading the wires through the probe tip board vias, being careful to achieve as symmetrical a wire pattern as possible between the two signal inputs and a very short ground connection.

30 P6700 Series Serial Analyzer Probes Instruction Manual

Reference

Finally, the at circuit board. Any excess wire lead length extending through the probe tip board should be removed to minimize possible signal reﬂection problems. Because of the limited mechanical strength of the wire interconnect and probe tip circuit board, the solder-down probe tip should be taped down at the SUT for strain relief. Although the accessory kit includes adhesive strips that can be used for the strain reli attachment if room is available at the SUT.

The lead le must be kept as short as possible to preserve the integrity of the measured signal. Typical wire lengths range from 0.010 in. to 0.100 in. (See Figure 29.)

tachment is completed by soldering the wires on top of the probe tip

ef of the probe tip, the use of mylar tape will generally provide stronger

ngth of the connection wires between the probe tip board and the SUT

ure 29: Typical wire length from probe tip to circuit

Fig

following four ﬁgures illustrate the signal integrity effect on the P75TLRST

The solder tip when used with different lengths of tip wire. Signal ﬁdelity is best when the wire length is kept as short as possible. The step generator that was used as a signal source for these screenshots has a 30 ps 10-90% rise time. The table in each ﬁgure contains data for two rise time m easurements (10-90% and 20-80%).

These screenshots can be used as a guide to gauge the effects of wire length, but actual results may vary depending on the other factors like characteristics of the device under test (for example, rise time and impedance), and the precision of the solder connection.

P6700 Series Serial Analyzer Probes Instruction Manual 31

Reference

Figure 30: P75TLRST solder tip with 0.010 inch of tip wire

Figure 31: P75TLRST solder tip with 0.050 inch of tip wire

32 P6700 Series Serial Analyzer Probes Instruction Manual

Figure 32: P75TLRST solder tip with 0.100 inch of tip wire

Reference

Figure 33: P75TLRST solder tip with 0.200 inch of tip wire

P6700 Series Serial Analyzer Probes Instruction Manual 33

Reference

The following ﬁ

Figure 34: P75TLRST TriMode Long Reach Solder Tip dimensions

Electric

al Design

For the serial analyzer module to reliably capture logical transactions on the bus, adequate signal eye must be available at the point of probing while the probe is connected. This can be veriﬁed by electrical simulation using the load model of the P67

00 Series probe.

gure shows the dimensions of the P75TLRST Solder Tip.

Eye requirements are deﬁned at the point of probing (midbus footprint, solder tip

for the solder-down probe, or the slot connector for the slot interposer probe)

input and are measured by eye height and eye width, forming a diamond shape.

Figure 35: Signal eye measurements (time versus voltage)

The following speciﬁcations limit the electrical distance between the driver pin and the point of probing. When analyzing both directions of an electrically

ong PCI Express link, you might need to design your system with two separate

l footprints to maintain adequate signal eye. Eye requirements apply regardless of circuit board material and infrastructure.

34 P6700 Series Serial Analyzer Probes Instruction Manual

Reference

Table 5: Probe E

ye Requirements

Parameter Description

Midbus probe

Minimum eye height

at footprint p

Minimum eye width at footprint

pad

30 mV (single-

0.53 UI if jit ≤ 40 MHz are not present

If jitter frequency components of ≤ 40 MHz are present, th in the graph to the jitter of the signal. (See Figure 36 on page 36.)

probe

Minimum eye height at solder tip input

Minimum eye width at solder tip input

30 mV (single-ended)Solder-down

0.53 UI if jitter frequency components of ≤ 40 MHz are

If jitter frequency components of ≤ 40 MHz are present, then apply the ﬁlter function described in the gra

ph to the jitter of the signal. (See

Figure 36 on page 36.)

probe

Minimum at probe connection point

Minimum eye width at probe connection point

eye height

60 mV (single-ended)Slot interposer

0.58 UI if jitter frequency components of ≤ 40 MHz

If jitter frequency components of ≤ 40 MHz are present, then apply the ﬁlter function described

raph to the jitter of the signal. (See

in the g Figure 36 on page 36.)

Unit Interval Gen1

Unit Interval Gen2

Eye Height/Width values apply to both data rates.

irements valid for 10

Requ information, contact your local Tektronix representative.

–12

BER. Refer to the following graphs for probe input jitter tolerances. For further

400 ps

200 p

ended)

ter frequency components of

en apply the ﬁlter function described

not present

are not present

P6700 Series Serial Analyzer Probes Instruction Manual 35

Reference

Figure 36: Periodic jitter gain function

Measuring signal eye. Tektronix recommends using a Tektronix DPO70000 series

or DSA70000 series oscilloscope with a P7500 series probe with solder-down tips for most accurate results. If your system does not allow you to use solder-down tips, use the handheld Precision Differential Probing Module (Tektronix part

r P75PDPM). Tektronix recommends using TDSJIT3 Advanced software

numbe to take signal eye measurements. Tektronix RT-Eye software is also acceptable. For instructions on using TDSJIT3 Advanced and RT Eye software, go t o Tektronix.com/manuals, or contact your local Tektronix representative.

P6700 Series midbus probe circuit impact. Tektronix has provided two

chstone® models (sdd12wop.dat and sdd12wp.dat). (See page 73, Reference

Tou Files.) These models simulate the impact of the P6700 Series midbus probe (8 or 16 channel) retention mechanisms with and without the probe installed. This is actual S-parameter measured data using real probes and retentions. Graphical representation of the data is provided in the next two graphs.

The ﬁrst graph shows the frequency response of a transmission line loaded with a P6700 midbus probe retention. (See Figure 37 on page 37.)

36 P6700 Series Serial Analyzer Probes Instruction Manual

Reference

Figure 37: S-parameter data of retention mechanism only

The second graph shows the frequency response of a transmission line loaded with a P6700 midbus probe retention and a probe. (See Figure 39.)

Figure 38: S-parameter data of retention mechanism plus P6700 Series midbus probe

P6700S Series Slot Interposer Probe circuit impact. Tektronix has provided

Touchstone® models to simulate the impact of a P6700S Series slot interposer probe. (See page 73, Reference Files.) This is actual S-parameter measured data using a real P6700S interposer probe.

P6701SD Solder-Down Probe circuit impact. Tektronix has provided a Touchstone® model (P6701SD.dat) to simulate the impact o f a P6701SD solder-down probe and P75TLRST solder tip. (See page 73, Reference Files.) This is actual S-parameter measured data using a real P6701SD solder-down probe. Graphical representation of the data is provided in the following graph.

P6700 Series Serial Analyzer Probes Instruction Manual 37

Reference

Reference Clock Signal

It shows the fre solder-down probe and P75TLRST solder tip.

Figure 39

The TLA7S08 & TLA7S16 Serial Analyzer modules can recognize a clock signal f embedded in the data.

rom a cable connection to the SUT, or by recovering the clock signal

quency response of a transmission line loaded with a P6701SD

: S-parameter data of P6701SD Solder-Down probe

Recognize the clock signal embedded in the data stream. A stable reference

signal is generated by the serial analyzer and synchronized with the embedded clock signal. A clock cable connection is not required, since the logic analyzer

gnizes the embedded signal from the probe.

reco

The transfer rate of the serial link must be 2.5 GT/s ± 300 ppm (PCI Express

) or 5.0 GT/s ± 300 ppm (PCI Express Gen 2). If the transfer rate is not

Gen 1 within this range, the module will not capture the data reliably.

SC (spread spectrum clocking) is enabled, and your PCI Express link uses

If S power management states, you must connect a clock cable to the SUT and set the reference clock source to SUT so that the module will capture data reliably.

Recognize the clock signal by directly connecting to the SUT with a clock cable. Tektronix recommends connecting a clock cable to ensure that data is

ccurately synchronized with the clock signal.

If you intend to use a midbus probe, you must install a three-pin connector on your SUT to connect to the clock cable. (See page 28, Clock Cable Three-Pin Connector.) Slot interposer probes already have this connector installed on the probe.

38 P6700 Series Serial Analyzer Probes Instruction Manual

Reference

Figure 4

0: Slot Interposer probe with a clock cable connected

Table 6: Reference clock electrical requirements

module requirement

Serial

Differential Voltage at Ref Clock Attach Point Vdiff

Absolute Voltage Limit at Ref Clock Attach Point

rence Clock Frequency –100 MHz

Refe

Reference Clock Frequency –100 MHz + 10%

Reference Clock Frequency –100 MHz - 10%

ference Clock Frequency –125 MHz

Reference Clock Total Jitter RefClkJitter

With SSC (spread spectrum clocking) enabled or disabled

Vdiff= |2*(Vrefclockp - Vrefclockn)|

Symbol Minimu

Vabs 0 V

Freq100

Freq100 +10% - 110 MHz +/-300 ppm -

Freq100 -10% - 90 MHz +/-300 ppm -

Freq125

0.8 V

- 100 M

-12

Typica

Hz +/-300 ppm

5 MHz +/-300 ppm

<1 MHz: 25 ps p-p

>1 MHz: 200 ps p-p

Maximu

2.0 V

3.3 V

P6700 Series Serial Analyzer Probes Instruction Manual 39

Reference

Midbus Footpr

int Pin and Probe Channel Assignments

The following ﬁgure shows the standard pin assignments for a PCI Express 8-channel footprint.

Figure 41: P6708 8-Channel probe footprint pin assignments

The following ﬁgure shows the standard pin assignments for a PCI Express 16-channel footprint.

General Guidelines for

Pin-Channel Assignment

Figure 42: P6716 16-Channel probe footprint pin assignments

Tektronix strongly recommends that you design your system so that pins are assigned to channels according to the following guidelines and the standard formats listed in the tables. The formats listed in the tables were created so that each module-end probe connector contains the wires c onnected to adjacent differential pairs on the footprint.

Figure 43: 8-Channel midbus footprint connection module connector

40 P6700 Series Serial Analyzer Probes Instruction Manual

Figure 44: 16-Channel midbus footprint connection module connector

Reference

The serial analyzer software is designed to be easily conﬁgured based on these standard formats. If your system design does not allow you to follow these guideli rewire the connector at the module end of the probe. (See page 57, Rearranging Wires in the Probe Connector.)

nes, or if a footprint is incorrectly wired, you may have to disassemble and

The differential pairs that make up a PCI Express link must be connected to speciﬁc pads (pins) on the footprint

The polarity of the differential pairs can be swapped, if required, for routing

ream and downstream channels can be swapped on a footprint, if

Upst required, for routing

ire links can be reversed compared to the suggested routing

Ent

P6700 Series Serial Analyzer Probes Instruction Manual 41

Reference

Key concepts fo

Each channel is connected to either an upstream or downstream differential pair.

Signal name = C[number][p (positive) or n (negative)]

Example: C3p = the positive signal of the differential pair connected to channel three

Channels are grouped together in sets of four in probe-to-module connectors.

All channels in the probe-to-module connector must come from the same direction.

To ensure that all lanes from one direction of the link are connected to the top two connectors on a TLA7S16 or to the top connector of a TLA7S08, refer to the connector illustrations. (See Figure 43 on page 40.) (See Figure 44 on page 41.) Ensure that all lanes going to the bottom two connectors of the TLA direction.

llowing tables show footprint p in-channel assignments for PCI Express

The fo links of various standard recommended conﬁgurations.

r the channel mapping tables.

7S16 (or the bottom connector of the TLA7S08) are from the same

42 P6700 Series Serial Analyzer Probes Instruction Manual

Reference

16-Channel PC

I Ex press

Midbus Pin Assignments

Table 7: X16 uni

Pin # Signal name Pin # Signal name

G2 GND

directional link

GND

C1p

C1n

GND

C3p

C3n

GND

C5p

C5n

GND

C7p

C7n

GND

C9p

C9n

GND

C11p

C11n

GND

C13p

C13n

GND

C15p

C15n

G1 GND

C0p

C0n

GND

C2p

C2n

GND

C4p

C4n

GND

C6p

C6n

GND

C8p

C8n

GND

C10p

C10n

GND

C12p

C12n

GND

C14p

C14n

GND

P6700 Series Serial Analyzer Probes Instruction Manual 43

Reference

Table 8: X8 bidi

Pin # Signal name Pin # Signal name

G2 GND

rectional link

GND

C0p- Downstream

C0n- Downstream

GND

C1p- Downstream

C1n- Downstream

GND

C2p- Downstream

C2n- Downstream

GND

C3p- Downstream

C3n- Downstream

GND

C4p- Downstream

C4n- Downstream

GND

C5p- Downstream

C5n- Downstream

GND

C6p- Downstream

C6n- Downstream

GND

C7p- Downstream

C7n- Downstream

G1 GND

C0p- Upstream

C0n- Upstream

GND

C1p- Upstream

C1n- Upstream

GND

C2p- Upstream

C2n- Upstream

GND

C3p- Upstream

C3n- Upstream

GND

C4p- Upstream

C4n- Upstream

GND

C5p- Upstream

C5n- Upstream

GND

C6p- Upstream

C6n- Upstream

GND

C7p- Upstream

C7n- Upstream

GND

44 P6700 Series Serial Analyzer Probes Instruction Manual

Reference

Table 9 : X8 (2) u

Pin # Signal name Pin # Signal name

G2 GND

nidirectional links

GND

C1p- DirectionA

C1n- DirectionA

GND

C3p- DirectionA

C3n- DirectionA

GND

C5p- DirectionA

C5n- DirectionA

GND

C7p- DirectionA

C7n- DirectionA

GND

C1p- DirectionB

C1n- DirectionB

GND

C3p- DirectionB

C3n- DirectionB

GND

C5p- DirectionB

C5n- DirectionB

GND

C7p- DirectionB

C7n- DirectionB

G1 GND

C0p- DirectionA

C0n- DirectionA

GND

C2p- DirectionA

C2n- DirectionA

GND

C4p- DirectionA

C4n- DirectionA

GND

C6p- DirectionA

C6n- DirectionA

GND

C0p- DirectionB

C0n- DirectionB

GND

C2p- DirectionB

C2n- DirectionB

GND

C4p- DirectionB

C4n- DirectionB

GND

C6p- DirectionB

C6n- DirectionB

GND

P6700 Series Serial Analyzer Probes Instruction Manual 45

Reference

Table 10: X4 bid

Pin # Signal name Pin # Signal name

G2 GND

irectional link

GND

C0p- Downstream1

C0n- Downstream1

GND

C1p- Downstream1

C1n- Downstream1

GND

C2p- Downstream1

C2n- Downstream1

GND

C3p- Downstream1

C3n- Downstream1

GND

C0p- Downstream2

C0n- Downstream2

GND

C1p- Downstream2

C1n- Downstream2

GND

C2p- Downstream2

C2n- Downstream2

GND

C3p- Downstream2

C3n- Downstream2

G1 GND

C0p- Upstream1

C0n- Upstream1

GND

C1p- Upstream1

C1n- Upstream1

GND

C2p- Upstream1

C2n- Upstream1

GND

C3p- Upstream1

C3n- Upstream1

GND

C0p- Upstream2

C0n- Upstream2

GND

C1p- Upstream2

C1n- Upstream2

GND

C2p- Upstream2

C2n- Upstream2

GND

C3p- Upstream2

C3n- Upstream2

GND

46 P6700 Series Serial Analyzer Probes Instruction Manual

Reference

Table 11: X 4 (2)

Pin # Signal name Pin # Signal name

16 Not conn

18 Not connected 17

22 Not connected 21 Not connected

24 Not connected 23

40 Not connected 39 Not connected

42 Not connected 41

46 Not connected 45 Not connected

48 Not connected 47

G2 GND

unidirectional links

GND

C1p- DirectionA

C1n- DirectionA

GND

C3p- DirectionA

C3n- DirectionA

GND

ected

GND

C1p- DirectionB

C1n- DirectionB

GND

C3p- DirectionB

C3n- DirectionB

GND

G1 GND

13 Not conn

15 Not conn

19 Not connected

37 Not connected

43 Not connected

C0p- DirectionA

C0n- DirectionA

GND

C2p- DirectionA

C2n- DirectionA

GND

ected

GND

C0p- DirectionB

C0n- DirectionB

GND

C2p- DirectionB

C2n- DirectionB

GND

P6700 Series Serial Analyzer Probes Instruction Manual 47

Reference

Table 12: X2 bid

Pin # Signal name Pin # Signal name

16 Not conn

18 Not connected 17

22 Not connected 21 Not connected

24 Not connected 23

40 Not connected 39 Not connected

42 Not connected 41

46 Not connected 45 Not connected

48 Not connected 47

G2 GND

irectional link

GND

C0p- Downstream1

C0n- Downstream1

GND

C1p- Downstream1

C1n- Downstream1

GND

ected

GND

C0p- Downstream2

C0n- Downstream2

GND

C1p- Downstream2

C1n- Downstream2

GND

G1 GND

13 Not conn

15 Not conn

19 Not connected

37 Not connected

43 Not connected

C0p- Upstream1

C0n- Upstream1

GND

C1p- Upstream1

C1n- Upstream1

GND

ected

GND

C0p- Upstream2

C0n- Upstream2

GND

C1p- Upstream2

C1n- Upstream2

GND

48 P6700 Series Serial Analyzer Probes Instruction Manual

Reference

Table 13: X2 (2)

Pin # Signal name Pin # Signal name

10 Not connec

12 Not connected 11

16 Not connected 15 Not connected

18 Not connected 17

22 Not connected 21 Not connected

24 Not co

34 No

36 Not connected 35

40 Not connected 39 Not connected

42 Not connected 41

46 Not connected 45 Not connected

48 Not connected 47

G2 GND

unidirectional links

GND

C1p- DirectionA

C1n- DirectionA

GND

ted

GND

nnected

GND

C1p- DirectionB

C1n- DirectionB

GND

t connected

GND

G1 GND

9 Not connec

13 Not connected

19 Not connected

31 Not

33 No

37 Not connected

43 Not connected

C0p- DirectionA

C0n- DirectionA

GND

Not connec

GND

C0p- DirectionB

C0n- DirectionB

GND

t connected

GND

ted

connected

P6700 Series Serial Analyzer Probes Instruction Manual 49

Reference

Table 14: X1 bid

Pin # Signal name Pin # Signal name

10 Not connec

12 Not connected 11

16 Not connected 15 Not connected

18 Not connected 17

22 Not connected 21 Not connected

24 Not co

34 No

36 Not connected 35

40 Not connected 39 Not connected

42 Not connected 41

46 Not connected 45 Not connected

48 Not connected 47

G2 GND

irectional link

GND

C0p- Downstream1

C0n- Downstream1

GND

ted

GND

nnected

GND

C0p- Downstream2

C0n- Downstream2

GND

t connected

GND

G1 GND

9 Not connec

13 Not connected

19 Not connected

31 Not

33 No

37 Not connected

43 Not connected

C0p- Upstream1

C0n- Upstream1

GND

Not connec

GND

C0p- Upstream2

C0n- Upstream2

GND

t connected

GND

ted

connected

50 P6700 Series Serial Analyzer Probes Instruction Manual

Reference

Table 15: X1 (2)

Pin # Signal name Pin # Signal name

4 Not connect

6 Not connect

10 Not connec

12 Not connected 11

16 Not connected 15 Not connected

18 Not connected 17

22 Not connected 21 Not connected

24 Not co

28 Not c

30 Not

34 No

36 Not connected 35

40 Not connected 39 Not connected

42 Not connected 41

46 Not connected 45 Not connected

48 Not connected 47

G2 GND

unidirectional links

GND

ted

GND

nnected

GND

onnected

connected

GND

t connected

GND

G1 GND

9 Not connec

13 Not connected

19 Not connected

31 Not

33 No

37 Not connected

43 Not connected

C0p- DirectionA

C0n- DirectionA

GND

Not connec

GND

C0p- DirectionB

C0n- DirectionB

GND

t connected

GND

ted

connected

P6700 Series Serial Analyzer Probes Instruction Manual 51

Reference

8-Channel PCI

Express

Midbus Pin Assignments

Table 16: X8 uni

Pin # Signal name Pin # Signal name

directional link

GND

C1p- DirectionA

C1n- DirectionA

GND

C3p- DirectionA

C3n- DirectionA

GND

C5p- DirectionA

C5n- DirectionA

GND

C7p- DirectionA

C7n- DirectionA

C0p- DirectionA

C0n- DirectionA

GND

C2p- DirectionA

C2n- DirectionA

GND

C4p- DirectionA

C4n- DirectionA

GND

C6p- DirectionA

C6n- DirectionA

GND

Table 17: X4 bidirectional link

Pin # Signal name Pin # Signal name

GND

C1p- Upstream

C1n- Upstream

GND

C3p- Upstream

C3n- Upstream

GND

C1p- Downstream

C1n- Downstream

GND

C3p- Downstream

C3n- Downstream

C0p- Upstream

C0n- Upstream

GND

C2p- Upstream

C2n- Upstream

GND

C0p- Downstream

C0n- Downstream

GND

C2p- Downstream

C2n- Downstream

GND

52 P6700 Series Serial Analyzer Probes Instruction Manual

Reference

Table 18: X4 (2)

Pin # Signal name Pin # Signal name

unidirectional links

GND

C1p- DirectionA

C1n- DirectionA

GND

C3p- DirectionA

C3n- DirectionA

GND

C1p- DirectionB

C1n- DirectionB

GND

C3p- DirectionB

C3n- DirectionB

C0p- DirectionA

C0n- DirectionA

GND

C2p- DirectionA

C2n- DirectionA

GND

C0p- DirectionB

C0n- DirectionB

GND

C2p- DirectionB

C2n- DirectionB

GND

Table 19: X4 unidirectional link and a X2 unidirectional link

Pin # Signal name Pin # Signal name

22 Not connected 21 Not connected

24 Not connected 23

GND

C1p- DirectionA

C1n- DirectionA

GND

C3p- DirectionA

C3n- DirectionA

GND

C1p- DirectionB

C1n- DirectionB

GND

19 Not connected

C0p- DirectionA

C0n- DirectionA

GND

C2p- DirectionA

C2n- DirectionA

GND

C0p- DirectionB

C0n- DirectionB

GND

P6700 Series Serial Analyzer Probes Instruction Manual 53

Reference

Table 20: X4 uni

Pin # Signal name Pin # Signal name

16 Not conn

18 Not conn

22 Not con

24 Not connected 23

directional link and a X1 unidirectional link

GND

C1p- DirectionA

C1n- DirectionA

GND

C3p- DirectionA

C3n- DirectionA

GND

ected

GND

nected

19 Not con

21 Not con

C0p- DirectionA

C0n- DirectionA

GND

C2p- DirectionA

C2n- DirectionA

GND

C0p- DirectionB

C0n- DirectionB

GND

nected

GND

Table 21: X2 bidirectional link

Pin # Signal name Pin # Signal name

GND

C0p- Downstream1

C0n- Downstream1

GND

C1p- Downstream1

C1n- Downstream1

GND

C0p- Downstream2

C0n- Downstream2

GND

C1p- Downstream2

C1n- Downstream2

C0p- Upstream1

C0n- Upstream1

GND

C1p- Upstream1

C1n- Upstream1

GND

C0p- Upstream2

C0n- Upstream2

GND

C1p- Upstream2

C1n- Upstream2

GND

54 P6700 Series Serial Analyzer Probes Instruction Manual

Reference

Table 22: X2 (2)

Pin # Signal name Pin # Signal name

10 Not connec

12 Not connected 11

22 Not connected 21 Not connected

24 Not connected 23

unidirectional links

GND

C1p- DirectionA

C1n- DirectionA

GND

ted

GND

C1p- Dir

C1n- Dir

GND

ectionB

9 Not connec

19 Not connected

C0p- DirectionA

C0n- DirectionA

GND

Not connect

GND

C0p- Dire

C0n- Dir

GND

ted

ctionB

ectionB

Table 23: X1 bidirectional link

Pin # Signal name Pin # Signal name

10 Not connected 9 Not connected

12 Not connected 11

22 Not connected 21 Not connected

24 Not connected 23

GND

C0p- Downstream1

C0n- Downstream1

GND

C0p- Downstream2

C0n- Downstream2

GND

19 Not connected

C0p- Upstream1

C0n- Upstream1

GND

Not connected

GND

C0p- Upstream2

C0n- Upstream2

GND

P6700 Series Serial Analyzer Probes Instruction Manual 55

Reference

Table 24: X 1 (2)

Pin # Signal name Pin # Signal name

4 Not connecte

6 Not connect

10 Not connec

12 Not connected 11

16 Not connected 15

18 Not connected 17

22 Not connected 21 Not connected

24 Not connected 23

unidirectional links

GND

ted

GND

9 Not connec

19 Not connected

C0p- DirectionA

C0n- DirectionA

GND

Not connect

GND

C0p- Dire

C0n- Dir

GND

ted

ctionB

ectionB

56 P6700 Series Serial Analyzer Probes Instruction Manual

Reference

Rearranging W

ires in the Probe Connector

If your design is not consistent with the previous link conﬁguration recommendations, you must disassemble and rewire the connectors at the module end of the pro

The wires can be rearranged in any way as long as you observe the following guidelines

x16 links require two modules, and each side of the link must have all of the lanes g upstream and downstream with downstream).

The midbu connectors must only have a unidirectional link on it or a bidirectional link less than x16.

A bidirectional module can handle a single link of x8, x4, x2, or x1 with no routing restrictions to the module end connectors.

If you have questions or concerns about reordering the wires in the probe, please contact a Tektronix support representative.

NOTE. You can only rearrange wires in the connector at the module end of the

probe, not in the probe head.

be.

rouped together on the module end connectors (upstream with

s footprint can have multiple links on it, but the module end

P6700 Series Serial Analyzer Probes Instruction Manual 57

Reference

1. Press gently on see that each of the wires is labeled. Identify the wire you want to remove from the connector.

Figure 45: Opening the probe connector

either side of the connector to snap off the cover. You will

2. Remove the probe sleeve anchor from the connector, and pull the sleeve away from the connector so that the wire labels are exposed.

Figure 46: Removing the probe sleeve

58 P6700 Series Serial Analyzer Probes Instruction Manual

Reference

3. Use the labels o connector.

Figure 47: Probe labels

4. Use a bent paper clip (or similar tool) to press downward on the plastic retainer in the connector until the wire slides out. Repeat for the second wire.

n the wires to determine the new order for the wires in the

Figure 48: Removing individual wires

5. Repeat step 3 for the wire that you want to put in its place.

6. Insert the replacement wire, making sure the plastic retainer holds it securely.

Youwillfeelandheartheconnectorsnapinplace.

7. Replace the probe sleeve and the connector cover.

P6700 Series Serial Analyzer Probes Instruction Manual 59

Reference

Adding Probes

to the P6701SD Probe Connector

The P6701SD probe ships with two signal wires (one differential pair) in the 8-pin signal connector that connects to the serial analyzer module. The 8-pin connector ca probes per connector.

To add, remo in the previous section and perform the following procedure. (See page 57, Rearranging Wires in the Probe Connector.)

1. Press gently on either side of the connector to snap off the cover.

2. Remove th

from the connector.

3. Use a ben in the connector until the cable slides out. Repeat for the second cable.

4. Insert plastic retainer holds it securely. You will feel and hear the connector snap in place.

n accommodate up to three additional probes, for a total of four

ve, or rearrange probes in the connector, refer to the illustrations

e probe sleeve anchor from the connector, and pull the sleeve away

t paper clip (or similar tool) to press downward on the plastic retainer

the wires from the additional probe into the connector, making sure the

Figure 49: Inserting additional probe wires

5. Repeat step 4 for additional probes as needed.

6. Replace the probe sleeve and the connector cover.

60 P6700 Series Serial Analyzer Probes Instruction Manual

Speciﬁcations

Environmenta

The following table lists atmospheric speciﬁcations for the P6700 Series probes. The Operating speciﬁcations apply when the probe is connected between a compatible

Table 25: Atmospheric characteristics

Characteristic Description

Temperature

Humidity

Altitude

For a complete list of speciﬁcations including overall system speciﬁcations, refer to the TLA7S08 & TLA7S16 Product Speciﬁcation & Performance Veriﬁcation Technical Reference Manual (Tektronix part number 071-2270-xx). The manual is available on the TLA Family Documentation Browser CD (Tektronix part

ber 063-3671-07 or higher), or you can download the ﬁles from the Tektronix

num Web site.

serial analyzer module and a s ystem under test.

Operating +0 °C to +50 °C

Nonoperating

Operating 5% to 95% relative humidity up to +30 °C

Nonoperating

Operating 3000 m (9843 ft)

Nonoperating

-40 °C to +74 °C

5% to 75% relative humidity up to +50 °C

5% to 95% relative humidity up to +30 °C

5% to 75% relative humidity up to +60 °C

12,192 m (40,000 ft)

P6700 Series Serial Analyzer Probes Instruction Manual 61

Speciﬁcations

62 P6700 Series Serial Analyzer Probes Instruction Manual

Maintenance

The P6700 Series Serial Analyzer Probes do not require scheduled maintenance. However, the P6701SD solder-down probe contains replaceable bullet contacts in the probe head. Instructions for replacing the contacts are described below. To verify basic functionality of the probes, refer to the TLA7S08 & TLA7S16 Serial

Analyzer Mo

dules Instruction Manual.

Bullet Contacts

The input sockets in the probe body assembly are protected by preinstalled, replaceable bullet contacts. The bullet contacts protect the input sockets by absorbing The bullet contacts are rated for 100 connect/disconnect cycles. Exceeding this number may degrade the performance of the probe.

An optional bullet tool is used to replace the bullet contacts from the probe body assembly. A kit of four replacement bullets is available as an optional accessory for the probe. See the P6701SD Solder-Down Logic Analyzer Probe Installation Manual for replacement part numbers.

Figu

CAUTION. To prevent wear to the probe housing, use only the bullet tool to remove

and install the bullets from the probe body assembly. To prevent damage to the probe, before you connect accessories to the probe body, always check that the contacts are located in the probe body only.

the wear from repeated connect/disconnect cycles of the accessory tips.

re 50: Replaceable bullets and tool

P6700 Series Serial Analyzer Probes Instruction Manual 63

Maintenance

Removing the Bullets

Follow these st

1. Squeeze the tool plunger to extend the holder tangs.

2. Insert the tool into the probe body so that the holder tangs surround one of the

bullets.

eps to remove the bullets by using the removal tool:

Figure 51: Removing the bullet contacts

3. Release the plunger to secure the holder tangs on the bullet.

4. Gently pull the tool outward to remove the bullet.

5. Repeat for the other bullet.

64 P6700 Series Serial Analyzer Probes Instruction Manual

Maintenance

Inspecting the Bullets and

Connectors

Useamicroscop illustrations to determine if the contacts appear worn or broken, and always replace them in pairs.

Figure 52: Inspect the bullet contacts

e to closely examine the bullets and connectors. Use the

1. Good

2. Chipped or bent ground contacts (outer conductor)

3. Chipped or bent signal contacts (inner conductor)

4. Inner contacts misaligned to outer conductor

P6700 Series Serial Analyzer Probes Instruction Manual 65

Maintenance

Installing the Bullets

1. Squeeze the too

2. Insert a new bullet into the tool so that the holder tangs surround the bullet.

3. Release the plunger to secure the holder tangs on the bullet.

4. Insert the tool into the probe body and seat the bullet in the recess.

l plunger to extend the holder tangs.

Figure 53: Installing the bullet contacts

5. Squeeze the tool plunger to release the bullet.

6. Gent

7. Repeat for the other bullet.

8. Test that the bullets are installed correctly by connecting and then removing

ly pull the tool out of the probe body.

the solder tip to the probe head. Inspect the probe head and verify that the

lets remain seated in the probe head.

bul

66 P6700 Series Serial Analyzer Probes Instruction Manual

Maintenance

Inspection an

Cleaning the

Mechanism

Cleaning

Storin

the Probe Head

gtheProbe

dCleaning

Retention

Keeptheprobesfreeofdirt,dust,andcontaminants to maintain a reliable electrical probe connection.

If the retention mechanism appears to be dirty, clean it as follows:

CAUTION. To avoid electrical damage, always power off your system under test

before cle

1. Remove any lint u sing a nitrogen air gun or clean, oil-free dry air.

Remove any lint using a nitrogen air gun or clean, oil-free dry air. Avoid brushing or rubbing the contacts. Never use abrasive cleaners or organic solvents.

When not in use, store the probe in the Tektronix-supplied transport case.

aning the retention mechanism.

Repac

kaging Instructions

Use the original packaging, if possible, to return or store the probe. If the original packaging is not available, use a corrugated cardboard shipping carton. Add c container.

Enc Center.

ushioning material to prevent the probe from moving inside the shipping

lose the following information when shipping the probe to a Tektronix Service

ner’s address

Name and phone number of a contact person

Type of probe

Reason for return

Full description of the service required

P6700 Series Serial Analyzer Probes Instruction Manual 67

Maintenance

68 P6700 Series Serial Analyzer Probes Instruction Manual

Appendix A: PCI Express System Design Review Checklist

Use the following tables as a guide to review your system design.

General Cons

iderations

Your system design must allow you to physically connect a midbus, slot interposer, or solder-down probe to each of the PCI Express links in the system. If this seems impossibl

Midbus Probe Conﬁguration

Table 2 6:

Pass Fail N/A Description

If your design requires you to use a pin-channel assignment that is not recommended, please contact your local Tektronix representative for help.

A reference clock connector is required if SSC (spread spectrum clocking) is enabled or can not be disabled. A reference clock connector is also required if the link frequency is intentionally margin tested outside the standard +/-15 tools.

e, contact your local Tektronix representative for an alternative solution.

Midbus Probe Conﬁguration

Each midbus footprint is conﬁgured according to one of the pin-channel assignment formats recommended in this manual.

A reference clock cable connector (if required) is provided for each PCI Express reference clock domain.

All reference clocks are properly terminated in the system.

0 ppm tolerance, or the link reference operates outside the +/-150 ppm tolerance imposed by the current

Mechanical Considerations

Table 27: Midbus Probe

Pass Fail N/A Description

Each midbus footprint is designed according to the speciﬁcations provided in this document, including:

Pad size, spacing, arrangement

Hole sizes, locations, tolerance, plating

Solder mask requirements

Pad plating requirements

Pin numbering

P6700 Series Serial Analyzer Probes Instruction Manual 69

Appendix A: PCI Express System Design Review Checklist

Table 27: Midbus Probe (cont.)

Pass Fail N/A Description

Footprint keep-out requirements

Probe keep-

Egress for probe cables is provided.

Table 28: Slot Interposer Probe

Pass Fail N/A Description

System design provides the physical space needed for the probe and the PCI Express add-in card that plugs into the probe, including:

Probe keep-out requirements

Egress for probe cables is provided.

Any special requirements (cables, add-ons) for the PCI Express card have been met.

The thermal requirements of the PCI Express card have been met. (The card will be out of its normal position when the interposer probe is installed.)

If a reference clock is provided on the PCI Express card, verify that it meets the reference clock probe keep-out requirements while connected to the probe.

out requirements

le 29: Reference Clock Connector

Tab

Pass Fail N/A Description

Each reference clock connector matches the speciﬁcations in this manual, including:

Verify that the dimensions are equivalent to the suggested part speciﬁcation for either the SMT connector (Samtec

TR-103-02-S-S) or the through-hole connector (Samtec

F TMS-103-02-S-S). Check pad and hole size, spacing, arrangement, etc.

Verify pin assignment (Pin 1 = REFCLKp or REFCLKn, Pin 2 =GND, Pin3 = REFCLKn or REFCLKp.)

Verify that adequate space exists on the board. Review the reference clock keep-out requirements in this manual.

Verify that egress for reference clock cables is provided.

70 P6700 Series Serial Analyzer Probes Instruction Manual

Appendix A: PCI Express System Design Review Checklist

Electrical Co

nsiderations

Table 30: Midbus Probe

Pass Fail N/A Description

System loss a the values meet the requirements for the P6716 and P6708 serial analyzer modules.

The requirements for AC coupling capacitor location have been met. (Each pair of capacitors may be placed on either side of the midbus foo relationship can be varied for different differential pairs in the link.)

For each l with load models included in order to verify that the system will work with midbus probes attached. Verify that the loss and jitter at the sys load is present.

For each have been performed with the footprint load model included in order to verify that the system will work with the footprint without the pro

The system layout follows the guidelines in this manual, including:

Via and trace requirements

nd jitter due to the footprint has been calculated and

tprint for each differential signal pair, but the location

ink probed, system simulations have been performed

tem receivers is within speciﬁcations when the probe

link probed using a midbus footprint, system simulations

be attached

Differential pair routing (matched length, identical paths/vias, etc.)

Pin-channel assignment of each midbus footprint matches a sugg

All channels of a single direction of a l ink connect to the sam directions of a link connect to the same footprint.

Table 31: Slot Interposer Probe

Pass Fail N/A Description

For each PCI Express slot that supports the use of an interposer, loss and jitter at the card connector has been calculated and the values meet the requirements for the P6716 and P6708 serial analyzer modules.

For each PCI Express slot probed, system simulations have been performed with slot interposer probe load models included in order to verify that the s ystem will work with a slot interposer probe connected.

Loss and jitter at the system receivers is within spec when the slot interposer probe load is included.

ested format provided in this manual:

e footprint. It is preferable (but not required) that both

P6700 Series Serial Analyzer Probes Instruction Manual 71

Appendix A: PCI Express System Design Review Checklist

Table 32: Refer

Pass Fail N/A Description

ence Clock Connector

Reference clock electrical requirements have been met, including:

Differential voltage requirements

Absolute voltage requirements

Frequency r

Simulations of the reference clock network(s) have been performed using load models for the reference clock connector to ensure good signal integrity to the serial module.

equirements

72 P6700 Series Serial Analyzer Probes Instruction Manual

Appendix B: Reference Files

S-parameter and load model data are included in the electronic ﬁles that are attached to the PDF ﬁle of this document. To view the ﬁles, open the PDF ﬁle andclickont following ﬁles are included:

he Attachments tab on the lower-left side of the document. The

s-param DAT

sdd12wop.dat

sdd12wp.dat

P6701SD.dat

P6708S.dat

P6716S.dat

s explained.txt

P6700 Series Serial Analyzer Probes Instruction Manual 73

Appendix B: Reference Files

74 P6700 Series Serial Analyzer Probes Instruction Manual

Index

Adding P6701SD Probes

to the P6701S

Connector, 60

D Probe

bidirectional X16 link, 12 Bullet Contacts, 63

Cables, Dressing

arranging, 9

Channel

Channel mapping tables, 42 Checklists, 69

Circuit impact

Cleaning procedures

Clock cable

assignments

midbus probe, 40

electrical, 71 electrical considerations, 71,

72 midbus probe, 69 reference clock connector, 70 slot interposer probe, 70

midbus probe, 36

t interposer probe, 37

slo solder-down probe, 37

footprints, 5 probe head, 67 retention mechanism, 67

connector, 28 connector dimensions, 28 pin connectors, 28

Differential pair

deﬁned, x

Dimensions

clock cable connector, 28 footprint, 23 keep-out area, 23 P6700S Slot

probes, 20

P6701SD Solder-Down

probe, 2 2 P6708 probe, 19 P6716 probe, 19 P75TLRST

Documentation

related, ix terminology, x

Interposer

Solder Tip, 34

8-Channel Midbus probe, 1 Electrical considerations

sprobe, 71

midbu reference clock connector, 72 slot interposer probe, 71

Electrical design

guidelines, 34

Environmental speciﬁcations, 61

otprint

cleaning, 5 deﬁned, x dimensions, 23 eye requirements, 34

Full-width

deﬁned, x

Guidelines

electrical design, 34 mechanical design, 23 pin-channel assignments, 40

Half-width

deﬁned, x

Installation

retention mechanism, 5

Lane

deﬁned, x

Link

deﬁned,

List of terms, x

Maintenance procedures, 63 Mechanical design

guidelines, 23

Midbus probe, 1

nel assignments, 40

chan checklist, 69 circuit impact, 36 conﬁguration, 69 connecting, 7 electrical considerations, 71

chanical conﬁguration, 69

me pin assignments, 40

P6700S Slot Interposer probes

dimensions, 20 P6701S Slot Interposer probe, 2 P6701SD probe solder tip See

P75TLRST P6701SD Solder-Down probe

dimensions, 22 P6701SD Solder-Down Probe, 3

connecting, 14 P6704S Slot Interposer probe, 2

P6700 Series Serial Analyzer Probes Instruction Manual 75

Index

P6708 8-Channe

probe, 1

dimensions, 19 P6708S Slot Interposer probe, 2 P6716 16-Channel Midbus

probe, 1

dimensions P6716S Slot Interposer probe, 2 P75TLRST

connectingtoprobehead, 15

connecting to the circuit, 16 P75TLRST Solder Tip

dimensio PCB

deﬁned, x Pin assignments

midbus probe, 40 Pin-channel assignments

lines, 40

guide Probe connectors

Rearranging wires, 57 Probe head

connecting, handling, 7, 10

deﬁned, x

bes

Pro

midbus, 1

slot interposer, 2

storing, 67

l Midbus

,19

ns, 34

Reference clock connector

checklist, 70

electrical considerations, 72 Reference cl Related documentation, ix Repackaging procedures, 67 Retention mechanism

deﬁned, x

installing, 5 Review che Routing considerations

inner layers, 27

midbus footprint, 25

primary surface area, 26

secondary surface layers, 27

ock signal, 38

cklist, 69

ySummary, v

Safet 16-Channel Midbus probe, 1 Slot interposer probe

checklist, 70

circuit impact, 37

connecting, 10

ctrical considerations, 71

ele Slot Interposer probe, 2

Solder-Down pr

circuit impact, 37

Speciﬁcations

environmental, 61 Storing the probes, 67 SUT

clock cable

clock cable connections, 38

connections, 10, 12

deﬁned, x

obe

,28

Trace

characteristics, 26 Transfe

rrate

requirements, 38

Via

characteristics, 26

76 P6700 Series Serial Analyzer Probes Instruction Manual

Tektronix P6708 Instruction Manual

Specifications and Main Features

Frequently Asked Questions

User Manual