75n43102 Integrated Device Technology, 75n43102 Datasheet

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75n43102

Manufacturer Part Number
75n43102
Description
Network Search Engine 32k X 72 Entries
Manufacturer
Integrated Device Technology
Datasheet

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(NSEs) that enable and accelerate the intelligent processing of network
services in communications equipment. 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.
in the enterprise and access markets. It is a full-ternary 32K x 72 entry
device where each entry location in the NSE has both a Data entry and
an associated Mask entry. The NSE devices integrate content addres-
sable memory (CAM) technology with high-performance logic. The
device can perform Lookup operations plus Read and Write maintenance
operations.
multiplexed address and data bus that can support 62.5 million sustained
searches per second. This device can be configured to enable multiple
width lookups from 72 to 288 bits wide. The IDT 75N43102 requires a
1.5-volt V
CMOS processing technology and is packaged in a JEDEC Standard,
256 pin low profile Ball Grid Array.
networking systems. In solutions requiring data searching such as
routers, a system configuration as shown in Figure 1.0 may be realized.
ASIC/ FPGA for lookups and routes an Index directly back to the ASIC/
FPGA. Control of the associated handshake signals is provided by the
NSEs for this configuration.
2003 Integrated Device Technology, Inc.
IDT provides proven, industry-leading network search engines
The IDT 75N43102 is ideally suited for cost-sensitive applications
The IDT 75N43102 NSE device has a bi-directional bus that is a
The IDT 75N43102 NSE utilizes the latest high-performance 1.5V
The IDT NSEs are designed to fulfill the needs of various types of
In this compatible configuration, the NSE interfaces directly to an
DD1
supply and a 2.5-volt V
DD2
All rights reserved.
supply.
NETWORK SEARCH ENGINE
32K x 72 Entries
Product specifications subject to change without notice.
1
Request
Figure 1.0 ASIC / FPGA Compatible NSE
Bus
REQDATA
PHASEN
Command Bus
CLK2X
REQSTB
CONFIGIN
MATCHIN
RST
÷ 2
I N S T R U C T IO N
Address
FPGA
ASIC
DATA
or
CCLK
D
E
C
O
D
E
R/W
Global Mask Registers
32K X 72
IDT 75N43102
Network
Search
Engine
Configuration Registers
S
Z
E
L
O
G
C
I
I
Datasheet
75N43102
P
R
O
R
T
Y
E
N
C
O
D
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5346 drw02
DSC-6435/0B
64 3 5 d r w 0 1
Brief
CONFIGOUT
MATCHOUT
Index
Bus

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75n43102 Summary of contents

Page 1

... The IDT 75N43102 NSE device has a bi-directional bus that is a multiplexed address and data bus that can support 62.5 million sustained searches per second. This device can be configured to enable multiple width lookups from 72 to 288 bits wide. The IDT 75N43102 requires a 1.5-volt V supply and a 2.5-volt V supply ...

Page 2

... There are three basic types of registers supported: Configuration Registers are used at initialization to define the A 6435 drw 03 segmentation of the entries. Global Mask Registers are provided to support Lookup instructions by masking individual bits during a search. Reply Width Registers are used with Lookup operations. 2 Datasheet Brief 75N43102 ...

Page 3

... The Match Input signal is driven by the upstream Match Output signal. This indicates to the down stream NSE that a hit in the higher priority NSE has occurred. The Match Output signal sig nifies that a match has occurred in the NSE. The signal is fed into the Match Input line of the lower priority NSE. 6.42 3 Datasheet Brief 75N43102 6435 tbl 01 ...

Page 4

... Network Search Engine 32K x 72 Entries REV DATE PAGES 0 7/11/03 p.1-3 A 08/14/03 p.4 B 04/12/04 All DESCRIPTION Initial release Updated pinout. Updated, removed pinout. 4 Datasheet Brief 75N43102 ...

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