Head Office:

PMC-Sierra, Inc.

8555 Baxter Place

Burnaby, B.C. V5A 4V7

Canada

Tel: 604.415.6000

Fax: 604.415.6200

Quad Cell Delineation Block Device

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-2000367 (R4)

© Copyright PMC-Sierra,

Inc. 2001. All rights reserved.

S/UNI is a registered

trademark of PMC-Sierra,

Inc.

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

PM7339 S/UNI®-CDB

• Provides a four cell FIFO for rate

decoupling between the line and a

higher layer processing entity. FIFO

latency may be reduced by changing

the number of operational cell FIFOs.

• Provides an 8 kHz reference input for

locking the transmit PLCP frame rate

to an externally applied frame

reference.

• Provides programmable pseudo-

random test sequence generation (up

conforming to ITU-T O.151 standards).

Diagnostic abilities include single bit

error insertion or error insertion at bit

LOOPBACK FEATURES

• Provides for diagnostic loopbacks and

line loopbacks.

GENERAL

• Provides an 8-bit microprocessor

interface for configuration, control and

status monitoring.

• Provides a standard five signal

P1149.1 JTAG test port for boundary

scan board test purposes.

• Low power 3.3 V CMOS technology

with 5 V tolerant inputs.

• Available in a high density 256-pin

SBGA package (27 mm x 27 mm).

APPLICATIONS

• ATM Switches, Multiplexers, and

Routers.

• SMDS Switches, Multiplexers and

Routers.

• DSLAM.

• Integrated Access Devices (IAD).

TYPICAL APPLICATION

8 Port xDSL Card

xDSL Modem

xDSL Modem

xDSL Modem

xDSL Modem

ATM Switch Core

Switch

Fabric

PM7322

RCMP-800

Egress

Device

xDSL Modem

xDSL Modem

xDSL Modem

xDSL Modem

PM7339

S/UNI-CDB

OC-3 Line Cards

PM5346

S/UNI-LITE

PM7348

S/UNI-

DUAL

PM5347

S/UNI-PLUS

Access Side

Uplink Side

PM7339

S/UNI-CDB

ATM BASED DSLAM EQUIPMENT