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JANUARY 2003

DSC-6070/00

 2002 Integrated Device Technology, Inc. All rights reserved. Product specifications subject to change without notice.

ZBT and ZeroBus Turnaround are trademarks of Integrated Device Technology, Inc. and the architecture is supported by Micron Technology and Motorola Inc.

QDR™ - Quad Data Rate (Trademark of Cypress, IDT, Micron, NEC and Samsung.)

All brands or products are the trademarks or registered trademarks of their

respective owners.

Product

Brief

IDT75K52134

IDT75K62134

4.5M and 9M Network

Search Engine (NSE)

with LA-1 Interface

Introduction

As part of the IDT IP Co-Processor product family, IDT delivers high

performance, feature-rich, easy-to-use, Network Search Engine (NSE)

products. Using CAM (Content Addressable Memory) technology, IDT

NSEproductsacceleratesearchfunctionsforAccessControlLists(ACL),

FlowCaching,andforwardingtoimproveperformanceinnextgeneration

networkingequipment.

NSE Features

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SelectableDatabases

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Programmable Width per Database

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Lookup widths from 32 to 576 bits

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Only the selected Database is powered

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Standard Lookup

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Multi-HitLookup

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Multi-DatabaseLookup

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Re-Issue Multi-Database Lookup

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Maintenance Features

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Aging

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Multi Hit Invalidate

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Learn per Database

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Multi-Context support

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Pool of (72-bit) Global Mask Registers (shared across contexts)

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In-Band Control and Management

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Assoicated Data SRAM is supported through a glue-less ZBT®

interface

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Lowest Power per Application

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Synchronous Pipeline Operation

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Boundary Scan JTAG Interface

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1.2V Core Supply

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1.5V HSTL I/O Supply

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2.5V I/O Supply for ZBT® Associated Data SRAM

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Device Description

TheNSEwithasingleLA-1 interfaceisintendedtoworkwithanyNPU

having a LA-1 look aside interface. Multiple devices including the LA-1

NSEcanbeconnectedtothesameLA-1interface. EachLA-1NSEdevice

may be point-to-point expanded up to eight NSE devices.

External Interfaces

The following external interfaces are supported by the LA-1 NSE device

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LA-1 Clock Frequency up to 250 MHz

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Supports LA-1 burst of 2

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Echo clocks supported (CQ,

CQ)

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Up to eight NSEs can be cascaded using this scheme

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Figure 1.0 LA-1 NSE External Interfaces

6070 drw04aa

QDR

Read

Control

Logic

QDR

Write

Control

Logic

ZBT

Interface

Cascade

Interface

JTAG Interface

256K x 36 Full

Ternary Content

Addressable Memory

To request the full datasheet, please contact your local

IDT Sales Representative or call 1-800-345-7015