PMC PM8620 Datasheet

20G Narrowband Switch Element

] ]

Preliminary

PM8620 NSE-20G

OVERVIEW

The PM8620 NSE-20G is a monolithic CMOS integrated circuit that performs DS0 and above granularit y Space (cros s bar ) switching on 32 full duplex STS-12 streams.

The device provides 20Gb/s (258,048 DS0s, 10,752 T1s/VT1.5s, 8064 E1s/VT2s, 384 DS3s/E3s) switching.

The NSE-20G can be combined in applications with the PM5372 TSE and PM5310 TBS devices from the PMC CHESS™ product family and with the PM8610 SBS and PM8611 SBSLITE.

FEATURES

• Supports 32 STS-12 equivalent se rial ports via 777.6MHz, 8B/10B encoded LVDS links. Each port can be either Serial TelecomBus or Serial SBI336S.

• In SBI mode, switches DS0 or NxDS0 for all T1 and E1 tributaries and aggregate columns for switching T1,

E1, VT1.5, VT2, DS3 and E3 tributaries.

• The NSE-20G can be used with the companion SBS devices to implement a switch fabric scaleable to 20Gb/s.

• In TelecomBus, swit ches VT1.5, VT2, or STS-1 tributaries.

• Supports switching of arbitrary nonstandard octet aggregates.

• Supports unicast, multicast, and broadcast for all switching modes.

• Supports full-duplex, in-band communication chan nels from the NSE to each SBS or SBSLITE device. These channels can be used to initialize and control the SBS's for fabric monitoring and maintenance.

• Supports "1+1" or "1:n" fabric redundancy in conjunction with the SBS™ or SBSLITE™ devices.

• Supports two sets of switch settings and a controlled method of changing settings on STS-12 frame boundaries.

PHYSICAL CHARACTERISTICS

• Supports an IEEE P1149.1 JTAG test port.

• Provides 32-bit microprocessor bus interface for configuration, control and status monitoring.

• Low power 1.8 V / 3.3 V 0.18 µm CMOS technology.

• Available in a high density 480 ball 35 mm x 35 mm UBGA.

• -40°C to +85°C Industrial temperature Operation.

APPLICATIONS

• T1/E1 SONET/SDH Cross-connects.

• T1/E1 SONET/SDH Add-Drop Multiplexors.

• OC-48 Multis ervice Access Multiplexors.

• Channelized OC-12/OC-48 Any Service Any Port Switches.

• Voice Gateways.

LOCK DIAGRAM

RP[0] RN[0]

•

RP[31] RN[31]

RC1FP

CMP

SYSCLK

LVDS Receiver, Data Recovery Unit,

Receive Decoder and In-Band Link

Controller

•

LVDS Receiver, Data Recovery Unit,

Receive Decoder and In-Band Link

Controller

•

DSO Crossbar Switch

(DCB)

LVDS Transmitter, Transmit

Serializer, Transmit Encoder and

In-Band Link Controller

•

LVDS Transmitter, Transmit

Serializer, Transmit Encoder and

In-Band Link Controller

Clock

Synthesis

Units (2)

Microprocessor

Interface

TP[0] TN[0]

•

TP[31 TN[31

Tx ReF

JTAG

PMC-2000171 (P4) PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE © Copyright PMC-Sierra, Inc. 2001.

20G Narrowband Switch Element

TYPICAL APPLICATIONS

Preliminary PM8620 NSE-20G

HANNELIZED OC-48/4xOC-12 ASAP

OC-48

SERDES

PM5315

SPECTRA

2488

SBI Bus

Any-PHY

TelecomBus

PM8316

TEMUX-84

PM8611

SBSLITE

PM8611

SBSLITE

PM7388

FREEDM-336

PM8316

TEMUX-84

PM8611

SBSLITE

Working Protect

PM8620

NSE-20G

PM8611

SBSLITE

PM7388

FREEDM-336

PM8316

TEMUX-84

PM8611

SBSLITE

PM8620

NSE-20G

PM8610

SBS

PM7341

S/UNI IMA-84

AAL1gator-32

PM8316

TEMUX-84

PM8611

SBSLITE

PM8610

SBS

PM73122

xOC-48 ADM WITH CHESSTM CHIP SET

TelecomBus

PM5310

TBS

PM5310

TBS

PM5363

TUPP+622

SPECTRA, TEMUX, FREEDM, AAL1gator. Any-PHY and PMCSierra are registered trademarks of PMC-Sierra, Inc.

•

PM8611

SBSLITE

TelecomBus

PM5310

TBS

PM5310

TBS

PM8620

NSE-20G

Working

PM8620

NSE-20G

Protect

All product documentation is available on our web site at: http://www.pmc-sierra.com For corpo rate information, send email to: info@pmc-sierra.com

PM5372

TSE

Working

PM5372

TSE

Protect

PM8611

SBSLITE

TelecomBus

OC-48

SERDES

OC-48

SERDES

PM5315

SPECTRA

2488

PM5315

SPECTRA

2488

T1/E1/J1

•

Head Office: PMC-Sierra, Inc. 8555 Baxter Place Burnaby, B.C. V5A 4V7 Canada Tel: 604.415.6000

PM4318

OCTLIU

PM4318

OCTLIU

SBI Bus

TEMAP-84

To order documentation, send email to: document@pmc-sierra.com or contact the head office, Attn: Document Coordinator

TelecomBus

PM5366

Fax: 604.415.6200

PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE