TEXAS INSTRUMENTS SN74ALVCHR16245 Technical data

www.ti.com

FEATURES

DGG OR DL PACKAGE

(TOP VIEW)

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24

48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25

1DIR

1B1
1B2

GND

1B3
1B4
V

CC

1B5
1B6

GND

1B7
1B8
2B1
2B2

GND

2B3
2B4
V

CC

2B5
2B6

GND

2B7
2B8

2DIR

1OE
1A1
1A2
GND
1A3
1A4
V

CC

1A5
1A6
GND
1A7
1A8
2A1
2A2
GND
2A3
2A4
V

CC

2A5
2A6
GND
2A7
2A8
2OE

• Member of the Texas Instruments Widebus™

Family

• Operates From 1.65 V to 3.6 V

• Max tpdof 4.2 ns at 3.3 V

• ± 12-mA Output Drive at 3.3 V

• All Outputs Have Equivalent 26- Ω Series

Resistors, So No External Resistors Are
Required

• Bus Hold on Data Inputs Eliminates the Need

for External Pullup/Pulldown Resistors

• Latch-Up Performance Exceeds 250 mA Per

JESD 17

• ESD Protection Exceeds JESD 22

- 2000-V Human-Body Model (A114-A)

- 200-V Machine Model (A115-A)

DESCRIPTION/ORDERING INFORMATION

This 16-bit (dual-octal) noninverting bus transceiver is
designed for 1.65-V to 3.6-V V

The SN74ALVCHR16245 is designed for
asynchronous communication between data buses.
The control-function implementation minimizes
external timing requirements.

This device can be used as two 8-bit transceivers or
one 16-bit transceiver. It allows data transmission
from the A bus to the B bus or from the B bus to the
A bus, depending on the logic level at the
direction-control (DIR) input. The output-enable ( OE)
input can be used to disable the device so that the
buses are effectively isolated.

All outputs, which are designed to sink up to 12 mA, include equivalent 26- Ω series resistors to reduce overshoot
and undershoot.

To ensure the high-impedance state during power up or power down, OE should be tied to V
resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.

Active bus-hold circuitry holds unused or undriven inputs at a valid logic state. Use of pullup or pulldown resistors
with the bus-hold circuitry is not recommended.

-40 ° C to 85 ° C

(1) Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at

www.ti.com/sc/package.

Widebus is a trademark of Texas Instruments.

PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.

16-BIT BUS TRANSCEIVER

WITH 3-STATE OUTPUTS

SCES064G – DECEMBER 1995 – REVISED OCTOBER 2004

operation.

CC

T

A

SSOP - DL Tape and reel SN74ALVCHR16245LR ALVCHR16245
TSSOP - DGG Tape and reel SN74ALVCHR16245GR ALVCHR16245
VFBGA - GQL SN74ALVCHR16245KR
VFBGA - ZQL (Pb-free) 74ALVCHR16245ZQLR

PACKAGE

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

ORDERING INFORMATION

(1)

Tape and reel VR245

ORDERABLE PART NUMBER TOP-SIDE MARKING

Copyright © 1995–2004, Texas Instruments Incorporated

SN74ALVCHR16245

through a pullup

CC

www.ti.com

GQL OR ZQL PACKAGE

(TOP VIEW)

J

H

G

F

E

D

C

B

A

21 3 4 65

K

SN74ALVCHR16245
16-BIT BUS TRANSCEIVER
WITH 3-STATE OUTPUTS

SCES064G – DECEMBER 1995 – REVISED OCTOBER 2004

TERMINAL ASSIGNMENTS

1 2 3 4 5 6

A 1DIR NC NC NC NC 1 OE
B 1B2 1B1 GND GND 1A1 1A2
C 1B4 1B3 V
D 1B6 1B5 GND GND 1A5 1A6
E 1B8 1B7 1A7 1A8
F 2B1 2B2 2A2 2A1
G 2B3 2B4 GND GND 2A4 2A3
H 2B5 2B6 V

J 2B7 2B8 GND GND 2A8 2A7

K 2DIR NC NC NC NC 2 OE

(1) NC - No internal connection

CC

CC

(1)

V

CC

V

CC

FUNCTION TABLE

(each 8-bit section)

INPUTS

OE DIR

L L B data to A bus
L H A data to B bus
H X Isolation

OPERATION

1A3 1A4

2A6 2A5

2

www.ti.com

To Seven Other Channels

1DIR

1A1

1B1

1OE

To Seven Other Channels

2DIR

2A1

2B1

2OE

1

47

24

36

48

2

25

13

Pin numbers shown are for the DGG and DL packages.

LOGIC DIAGRAM (POSITIVE LOGIC)

SN74ALVCHR16245

16-BIT BUS TRANSCEIVER

WITH 3-STATE OUTPUTS

SCES064G – DECEMBER 1995 – REVISED OCTOBER 2004

ABSOLUTE MAXIMUM RATINGS

(1)

over operating free-air temperature range (unless otherwise noted)

MIN MAX UNIT

V

V

V
I
I
I

θ

T

(1) Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings

(2) The input negative-voltage and output voltage ratings may be exceeded if the input and output current ratings are observed.
(3) This value is limited to 4.6 V maximum.
(4) The package thermal impedance is calculated in accordance with JESD 51-7.

Supply voltage range -0.5 4.6 V

CC

Input voltage range V

I

Output voltage range

O

Input clamp current VI< 0 -50 mA

IK

Output clamp current VO< 0 -50 mA

OK

Continuous output current ± 50 mA

O

Continuous current through each V

(2) (3)

or GND ± 100 mA

CC

Except I/O ports
I/O ports

(2)

(2) (3)

-0.5 4.6

-0.5 V

-0.5 V

DGG package 70

Package thermal impedance

JA

(4)

DL package 63 ° C/W
GQL/ZQL package 42

Storage temperature range -65 150 ° C

stg

only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating
conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.

+ 0.5

CC

+ 0.5 V

CC

3

www.ti.com

SN74ALVCHR16245
16-BIT BUS TRANSCEIVER
WITH 3-STATE OUTPUTS

SCES064G – DECEMBER 1995 – REVISED OCTOBER 2004

RECOMMENDED OPERATING CONDITIONS

V

CC

V

IH

V

IL

V

I

V

O

I

OH

I

OL

∆ t/ ∆ v Input transition rise or fall rate 10 ns/V
T

A

Supply voltage 1.65 3.6 V

High-level input voltage V

Low-level input voltage V

Input voltage 0 V
Output voltage 0 V

High-level output current mA

Low-level output current mA

Operating free-air temperature -40 85 ° C

(1)

MIN MAX UNIT

V

= 1.65 V to 1.95 V 0.65 × V

CC

= 2.3 V to 2.7 V 1.7 V

CC

V

= 2.7 V to 3.6 V 2

CC

V

= 1.65 V to 1.95 V 0.35 × V

CC

= 2.3 V to 2.7 V 0.7 V

CC

V

= 2.7 V to 3.6 V 0.8

CC

V

= 1.65 V -2

CC

V

= 2.3 V -6

CC

V

= 2.7 V -8

CC

V

= 3 V -12

CC

V

= 1.65 V 2

CC

V

= 2.3 V 6

CC

V

= 2.7 V 8

CC

V

= 3 V 12

CC

CC

CC

CC
CC

V
V

(1) All unused control inputs of the device must be held at V

Implications of Slow or Floating CMOS Inputs, literature number SCBA004.

or GND to ensure proper device operation. Refer to the TI application report,

CC

4

www.ti.com

ELECTRICAL CHARACTERISTICS

over recommended operating free-air temperature range (unless otherwise noted)

PARAMETER TEST CONDITIONS V

IOH= -100 µ A 1.65 V to 3.6 V V
IOH= -2 mA 1.65 V 1.2
IOH= -4 mA 2.3 V 1.9

V

OH

V

OL

I

I

I

I(hold)

(3)

I

OZ

I

CC

∆ I

CC

C

Control inputs VI= V

i

C

A or B ports VO= V

io

IOH= -6 mA

IOH= -8 mA 2.7 V 2
IOH= -12 mA 3 V 2
IOL= 100 µ A 1.65 V to 3.6 V 0.2
IOL= 2 mA 1.65 V 0.45
IOL= 4 mA 2.3 V 0.4

IOL= 6 mA

IOL= 8 mA 2.7 V 0.6
IOL= 12 mA 3 V 0.8
VI= V

or GND 3.6 V ± 5 µ A

CC

VI= 0.58 V 25
VI= 1.07 V -25
VI= 0.7 V 45
VI= 1.7 V -45 µ A
VI= 0.8 V 75
VI= 2 V -75
VI= 0 to 3.6 V
VO= V
VI= V
One input at V

(2)

or GND 3.6 V ± 10 µ A

CC

or GND, IO= 0 3.6 V 40 µ A

CC

- 0.6 V, Other inputs at V

CC

or GND 3.3 V 4 pF

CC

or GND 3.3 V 9 pF

CC

or GND 3 V to 3.6 V 750 µ A

CC

SN74ALVCHR16245

16-BIT BUS TRANSCEIVER

WITH 3-STATE OUTPUTS

SCES064G – DECEMBER 1995 – REVISED OCTOBER 2004

CC

MIN TYP

- 0.2

CC

2.3 V 1.7 V
3 V 2.4

2.3 V 0.55 V
3 V 0.55

1.65 V

2.3 V

3 V

3.6 V ± 500

(1)

MAX UNIT

(1) All typical values are at V
(2) This is the bus-hold maximum dynamic current. It is the minimum overdrive current required to switch the input from one state to

= 3.3 V, TA= 25 ° C.

CC

another.

(3) For I/O ports, the parameter IOZincludes the input leakage current.

SWITCHING CHARACTERISTICS

over recommended operating free-air temperature range (unless otherwise noted) (see Figure 1)

V

= 2.5 V V

V

= 1.8 V V

PARAMETER UNIT

t

pd

t

en

t

dis

FROM TO

(INPUT) (OUTPUT)

A or B B or A

OE B or A
OE B or A

CC

TYP MIN MAX MIN MAX MIN MAX

(1)
(1)
(1)

CC

± 0.2 V ± 0.3 V

= 2.7 V

CC

1 4.9 4.7 1 4.2 ns
1 6.8 6.7 1 5.6 ns
1 6.3 5.7 1 5.5 ns

(1) This information was not available at the time of publication.

= 3.3 V

CC

5

www.ti.com

SN74ALVCHR16245
16-BIT BUS TRANSCEIVER
WITH 3-STATE OUTPUTS

SCES064G – DECEMBER 1995 – REVISED OCTOBER 2004

OPERATING CHARACTERISTICS

TA= 25 ° C

PARAMETER TEST CONDITIONS UNIT

C

(1) This information was not available at the time of publication.

Power dissipation

pd

capacitance

Outputs enabled
Outputs disabled

V

= 1.8 V V

CC

TYP TYP TYP

CL= 50 pF, f = 10 MHz pF

(1)
(1)

= 2.5 V V

CC

24 32

4 5

= 3.3 V

CC

6

www.ti.com

V

M

V

M

V

M

V

M

V

M

V

M

V

M

V

M

V

OH

V

OL

t

h

t

su

From Output

Under Test

C

L

(see Note A)

LOAD CIRCUIT

S1

Open

GND

R

L

R

L

Output

Control

(low-level

enabling)

Output
Waveform 1
S1 at V

LOAD

(see Note B)

Output
Waveform 2

S1 at GND

(see Note B)

t

PZL

t

PZH

t

PLZ

t

PHZ

0 V

VOL + V

∆

VOH − V

∆

0 V

V

I

0 V

0 V

t

w

V

I

V

I

VOLTAGE WAVEFORMS

SETUP AND HOLD TIMES

VOLTAGE WAVEFORMS

PULSE DURATION

VOLTAGE WAVEFORMS

ENABLE AND DISABLE TIMES

Timing

Input

Data

Input

Input

t

pd

t

PLZ/tPZL

t

PHZ/tPZH

Open

V

LOAD

GND

TEST S1

NOTES: A. CL includes probe and jig capacitance.

B. Waveform 1 is for an output with internal conditions such that the output is low, except when disabled by the output control.

Waveform2 is for an output with internal conditions such that the output is high, except when disabled by the output control.
C. All input pulses are supplied by generators having the following characteristics: PRR ≤ 10 MHz, ZO = 50 Ω.
D. The outputs are measured one at a time, with one transition per measurement.
E. t

PLZ

and t

PHZ

are the same as t

dis

.

F. t

PZL

and t

PZH

are the same as ten.

G. t

PLH

and t

PHL

are the same as tpd.

H. All parameters and waveforms are not applicable to all devices.

0 V

V

I

V

M

t

PHL

V

M

V

M

V

I

0 V

V

OH

V

OL

Input

Output

VOLTAGE WAVEFORMS

PROPAGATION DELAY TIMES

V

M

V

M

t

PLH

V

LOAD

V

LOAD

/2

1.8 V

2.5 V ± 0.2 V

2.7 V

3.3 V ± 0.3 V

1 kΩ
500 Ω
500 Ω
500 Ω

V

CC

R

L

2 × V

CC

2 × V

CC

6 V
6 V

V

LOAD

C

L

30 pF
30 pF
50 pF
50 pF

0.15 V

0.15 V

0.3 V

0.3 V

V

∆

V

CC

V

CC

2.7 V

2.7 V

V

I

VCC/2
VCC/2

1.5 V

1.5 V

V

M

tr/t

f

≤2 ns

≤2 ns
≤2.5 ns
≤2.5 ns

INPUT

SN74ALVCHR16245

16-BIT BUS TRANSCEIVER

WITH 3-STATE OUTPUTS

SCES064G – DECEMBER 1995 – REVISED OCTOBER 2004

PARAMETER MEASUREMENT INFORMATION

Figure 1. Load Circuit and Voltage Waveforms

7

PACKAGE OPTION ADDENDUM

www.ti.com

4-Oct-2005

PACKAGING INFORMATION

Orderable Device Status

(1)

Package

Type

Package
Drawing

Pins Package

Qty

Eco Plan

74ALVCHR16245GRE4 ACTIVE TSSOP DGG 48 2000 Green (RoHS &

no Sb/Br)

74ALVCHR16245LRG4 ACTIVE SSOP DL 48 1000 Green (RoHS &

no Sb/Br)

74ALVCHR16245ZQLR ACTIVE VFBGA ZQL 56 1000 Green (RoHS &

no Sb/Br)

SN74ALVCHR16245GR ACTIVE TSSOP DGG 48 2000 Green (RoHS &

no Sb/Br)
SN74ALVCHR16245KR ACTIVE VFBGA GQL 56 1000 TBD SNPB Level-1-240C-UNLIM
SN74ALVCHR16245LR ACTIVE SSOP DL 48 1000 Green (RoHS &

no Sb/Br)

(1)

The marketing status values are defined as follows:

ACTIVE: Product device recommended for new designs.
LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect.
NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in

a new design.

PREVIEW: Device has been announced but is not in production. Samples may or may not be available.
OBSOLETE: TI has discontinued the production of the device.

(2)

Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS) or Green (RoHS & no Sb/Br) - please check

http://www.ti.com/productcontent for the latest availability information and additional product content details.

TBD: The Pb-Free/Green conversion plan has not been defined.
Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements

for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered
at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes.
Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame
retardants (Br or Sb do not exceed 0.1% by weight in homogeneous material)

(2)

Lead/Ball Finish MSL Peak Temp

CU NIPDAU Level-1-260C-UNLIM

CU NIPDAU Level-1-260C-UNLIM

SNAGCU Level-1-260C-UNLIM

CU NIPDAU Level-1-260C-UNLIM

CU NIPDAU Level-1-260C-UNLIM

(3)

(3)

MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder

temperature.

Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is
provided. TI bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the
accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and continues to take
reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on
incoming materials and chemicals. TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited
information may not be available for release.

In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI
to Customer on an annual basis.

Addendum-Page 1

MECHANICAL DATA

MSSO001C – JANUARY 1995 – REVISED DECEMBER 2001

DL (R-PDSO-G**) PLASTIC SMALL-OUTLINE PACKAGE

48 PINS SHOWN

0.025 (0,635)

48

1

0.110 (2,79) MAX

0.0135 (0,343)

0.008 (0,203)
25

0.299 (7,59)

0.291 (7,39)

24

A

0.008 (0,20) MIN

0.005 (0,13)

0.420 (10,67)

0.395 (10,03)

Seating Plane

0.004 (0,10)

M

0.010 (0,25)

0.005 (0,13)

Gage Plane

0.010 (0,25)

0°–ā8°

0.040 (1,02)

0.020 (0,51)

PINS **

DIM

A MAX

A MIN

NOTES: A. All linear dimensions are in inches (millimeters).

B. This drawing is subject to change without notice.
C. Body dimensions do not include mold flash or protrusion not to exceed 0.006 (0,15).
D. Falls within JEDEC MO-118

0.380

(9,65)

0.370

(9,40)

4828

0.630

(16,00)

0.620

(15,75)

56

0.730

(18,54)

0.720

(18,29)

4040048/E 12/01

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

MECHANICAL DATA

MTSS003D – JANUARY 1995 – REVISED JANUARY 1998

DGG (R-PDSO-G**) PLASTIC SMALL-OUTLINE PACKAGE

48 PINS SHOWN

0,50

48

1

1,20 MAX

0,27
0,17

25

24

A

0,15
0,05

0,08

M

6,20

8,30

6,00

7,90

Seating Plane

0,10

0,15 NOM

Gage Plane

0,25

0°–8°

0,75
0,50

DIM

NOTES: A. All linear dimensions are in millimeters.

B. This drawing is subject to change without notice.
C. Body dimensions do not include mold protrusion not to exceed 0,15.
D. Falls within JEDEC MO-153

PINS **

A MAX

A MIN

48

12,60

12,40

56

14,10

13,90

64

17,10

16,90

4040078/F 12/97

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

IMPORTANT NOTICE

Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications,
enhancements, improvements, and other changes to its products and services at any time and to discontinue
any product or service without notice. Customers should obtain the latest relevant information before placing
orders and should verify that such information is current and complete. All products are sold subject to TI’s terms
and conditions of sale supplied at the time of order acknowledgment.

TI warrants performance of its hardware products to the specifications applicable at the time of sale in
accordance with TI’s standard warranty. Testing and other quality control techniques are used to the extent TI
deems necessary to support this warranty . Except where mandated by government requirements, testing of all
parameters of each product is not necessarily performed.

TI assumes no liability for applications assistance or customer product design. Customers are responsible for
their products and applications using TI components. To minimize the risks associated with customer products
and applications, customers should provide adequate design and operating safeguards.

TI does not warrant or represent that any license, either express or implied, is granted under any TI patent right,
copyright, mask work right, or other TI intellectual property right relating to any combination, machine, or process
in which TI products or services are used. Information published by TI regarding third-party products or services
does not constitute a license from TI to use such products or services or a warranty or endorsement thereof.
Use of such information may require a license from a third party under the patents or other intellectual property
of the third party, or a license from TI under the patents or other intellectual property of TI.

Reproduction of information in TI data books or data sheets is permissible only if reproduction is without
alteration and is accompanied by all associated warranties, conditions, limitations, and notices. Reproduction
of this information with alteration is an unfair and deceptive business practice. TI is not responsible or liable for
such altered documentation.

Resale of TI products or services with statements different from or beyond the parameters stated by TI for that
product or service voids all express and any implied warranties for the associated TI product or service and
is an unfair and deceptive business practice. TI is not responsible or liable for any such statements.

Following are URLs where you can obtain information on other Texas Instruments products and application
solutions:

Products Applications

Amplifiers amplifier.ti.com Audio www.ti.com/audio
Data Converters dataconverter.ti.com Automotive www.ti.com/automotive

DSP dsp.ti.com Broadband www.ti.com/broadband
Interface interface.ti.com Digital Control www.ti.com/digitalcontrol
Logic logic.ti.com Military www.ti.com/military
Power Mgmt power.ti.com Optical Networking www.ti.com/opticalnetwork
Microcontrollers microcontroller.ti.com Security www.ti.com/security

Telephony www.ti.com/telephony
Video & Imaging www.ti.com/video
Wireless www.ti.com/wireless

Mailing Address: Texas Instruments

Post Office Box 655303 Dallas, Texas 75265

Copyright  2005, Texas Instruments Incorporated

WWW.ALLDATASHEET.COM

Copyright © Each Manufacturing Company.

All Datasheets cannot be modified without permission.

This datasheet has been download from :

www.AllDataSheet.com

100% Free DataSheet Search Site.

Free Download.

No Register.

Fast Search System.

www.AllDataSheet.com