Head Office:

PMC-Sierra, Inc.

#105 - 8555 Baxter Place

Burnaby, B.C. V5A 4V7

Canada

Tel: 604.415.6000

Fax: 604.415.6200

SATURN® User Network Interface for 2488 Mbit/s

To order documentation,

send email to:

document@pmc-sierra.com

or contact the head office,

Attn: Document Coordinator

All product documentation is available

on our web site at:

http://www.pmc-sierra.com

For corporate information,

send email to:

info@pmc-sierra.com

PMC-2000453 (p2)

© Copyright PMC-Sierra,

Inc. 2000. All rights reserved.

March 2000

SATURN and S/UNI are

registered trademarks of

PMC-Sierra, Inc. POS-PHY

Level 3 is a trademark of

PMC-Sierra, Inc.

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

Preliminary

PM5381 S/UNI®-2488

• Low power 1.8 V CMOS core logic with

3.3 V CMOS/TTL compatible digital

inputs and digital outputs. High speed

inputs and outputs are 3.3 V

PECL/CML compatible.

• Industrial temperature range (-40° C to

+85° C).

• 416 pin UBGA package.

APPLICATIONS

• ATM and Multiservice Switches,

Routers, and Switch/Routers.

• SONET/SDH Add/Drop Multiplexers

with data processing capabilities

•Uplink Cards.

• SONET/SDH ATM/POS Test

Equipment.

TYPICAL APPLICATION

STS-48 (STM-16-16C) ATM (UTOPIA LEVEL 3) SWITCH PORT APPLICATION

STS-48 (STM-16-16C) PACKET OVER SONET (POS-PHY LEVEL 3) ROUTER APPLICATION

ATM Layer Device

PM5381

S/UNI-2488

POSL3_UL3B

0

TXD+/-

SD

RXD+/-

2488

Mbit/s

2488

Mbit/s

TFCLK

TxClk

TENB

TxEnb

TCA

TxClav

TSOC

TxSOC

TPRTY

TxPrty

TDAT[31:0]

TxData[31:0]

RDAT[31:0]

RxData[31:0]

RFCLK

RxClk

RENB

RxEnb

RCA

RxClav

RSOC

RxSOC

RPRTY

RxPrty

2488 Mbit/s

PECL/CML

Optical

Transceiver

PM5381

S/UNI-2488

Link Layer Device

POSL3_UL3B

1

RXD+/-

TXD+/-

SD

Optical

Transceiver

RDAT[31:0]

RDAT[31:0]

RMOD[1:0]

RMOD[1:0]

REOP

REOP

RERR

RERR

RVAL

RVAL

RPRTY

RPRTY

RSOP

RSOP

RSX

RSX

RENB

RENB

RFCLK

RFCLK

TFCLK

TFCLK

TENB

TENB

DTPA

DTPA

TSOP

TSOP

TPRTY

TPRTY

TDAT[31:0]

TDAT[31:0]

TMOD[1:0]

TMOD[1:0]

TEOP

TEOP

TERR

TERR

2488

Mbit/s

2488

Mbit/s

2488 Mbit/s

PECL/CML