IDT75K72100S66BL IDT, Integrated Device Technology Inc, IDT75K72100S66BL Datasheet

IDT75K72100S66BL

Manufacturer Part Number

IDT75K72100S66BL

Description

Manufacturer

IDT, Integrated Device Technology Inc

Datasheet

1.IDT75K72100S66BL.pdf (3 pages)

Specifications of IDT75K72100S66BL

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Device Description

(NSEs) and a comprehensive suite of software that enable and accelerate

the intelligent processing of network services in communications equip-

ment. As a part of the complete IDT classification subsystem that includes

content inspection engines, the IDT family of NSEs delivers high-

performance, feature-rich, easy-to-use, integrated search accelerators.

75K72100 NSE offers designers the ability to simultaneously search in

separate, mutually exclusive databases, increasing the search rate to

support multiple full-speed OC-192 packet searches per instruction with

a single device. Targeting core, metro and edge routers, this device

enables higher-performance systems to achieve increased packet pro-

cessing rates and facilitates additional services, through simultaneous

database lookup (SMDL) and sophisticated next free address (NFA)

capabilities.

synchronous full-ternary 256K x 72 entry device and provides array

segments which can be configured to enable multiple width lookups from

36 to 576 bits wide. This NSE device provides the user with flexibility and

control in determining the device power. Only the array segments that

will be used for a specific NSE operation are powered up while the unused

segments are not. The IDT 75K72100 NSE requires a 1.2-volt V

supply and a 2.5V V

CMOS processing technology and is packaged in a JEDEC Standard,

thermally enhanced, low profile Ball Grid Array. IDT's 472 BGA package

provides increased heat transfer for thermally challenged systems. The

472 BGA footprint is backwards compatible with the IDT 128K x 72 Entry

(75K62100), 64K x 72 Entry (75P52100) and 32K x 72 Entry (75P42100)

devices.

System Configurations

networking systems. In solutions requiring data searching such as

routers, a system configuration as shown in Figure 1.0 may be realized.

Maximum flexibility is provided by allowing one board design to be

populated today using either the IDT 75P42100, 75P52100 or 75K62100

NSEs and later upgraded to use IDT’s 75K72100 NSE.

ASIC/ FPGA for lookups and routes an Index to an associated SRAM

device, which supplies the next hop address via an SRAM Data Bus to

the ASIC. The NSE provides the required control signals to directly

hookup to ZBT™ or Synchronous Pipeline Burst SRAM. Lookup results

can also be fed directly back to the ASIC/ FPGA without the use of external

SRAM. Control of the associated handshake signals is provided by all

NSEs to adapt to either configuration.

 2003 Integrated Device Technology, Inc.

IDT provides proven, industry-leading network search engines

Operating at up to 250 million searches per second, the IDT

The IDT 75K72100 NSE is a high performance pipelined low-power,

The IDT 75K72100 NSE utilizes the latest high-performance 1.2V

The IDT NSEs are designed to fulfill the needs of various types of

In this compatible configuration, the NSE interfaces directly to an

To request the full IDT75K72100 datasheet, please contact your local

DDQ

supply.

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

256K x 72 Entries

Network Search Engine

Product specifications subject to change without notice.

REQUEST

Figure 1.0 ASIC / Compatible NSE/ SRAM configuration

Block Diagram

NSE

BUS

LAST SRAM

LAST NSE

RESET

Command

Request

REQSTB

Data

Bus

FPGA

ASIC

Instruction

Address

Bypass

DATA

Network Search Engine

R/W

75K62100 or

75P42100 or

75P52100 or

Global Mask Registers

Comparand Registers

75K72100

Result Register

Configuration Registers

ARRAY

Ram Control Circuits

IDT

and

6074 drw 01

Datasheet

75K72100

Sync SRAM

Optional

JUNE 2003

ZBT

SRAM CONTROL

ASIC FEEDBACK

6074 drw02

Index

MATCHOUT

MMOUT

Bus

DSC-6074/00

Brief

RESPONSE

NSE

BUS

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IDT75K72100S66BL Summary of contents

Page 1

... ASIC. The NSE provides the required control signals to directly hookup to ZBT™ or Synchronous Pipeline Burst SRAM. Lookup results can also be fed directly back to the ASIC/ FPGA without the use of external SRAM. Control of the associated handshake signals is provided by all NSEs to adapt to either configuration. ...

Page 2

... The NSE Response Bus is comprised of an independent unidirec- tional Index Bus which drives the result of the lookup (or index) to either an SRAM device or an ASIC. In addition to driving the Index, the NSE Response Bus also drives the associated SRAM control signals (CE/OE, and WE) for either ZBT™ or Synchronous Pipeline Burst SRAM devices. ...

Page 3

... This bus is used to drive the address of an external SRAM, or feedback Lookup result information directly to the NSE's ASIC/FPGA. The Index Bus contain the encoded location at which the compare was found, the address of the NSE which found the result and the Lookup type. ...

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