Datasheet
Brief
75N43102
NETWORK SEARCH ENGINE
32K x 72 Entries
To request the full IDT75N43102 datasheet, please contact your local
IDT Sales Representative or call 1-800-345-7015
BlockDiagram
DeviceDescription
IDT provides proven, industry-leading network search engines
(NSEs) thatenableandacceleratetheintelligentprocessingofnetwork
services incommunications equipment. As a partofthe complete IDT
classificationsubsystemthatincludescontentinspectionengines,theIDT
family of NSEs delivers high-performance, feature-rich, easy-to-use,
integratedsearchaccelerators.
CONFIGIN
MATCHIN
CONFIGOUT
Configuration Registers
CLK2X
÷
÷ 2
CCLK
PHASEN
RST
REQSTB
R/W
INSTRUCTION
Command Bus
P
R
TheIDT 75N43102 isideallysuitedforcost-sensitiveapplications
inthe enterprise andaccess markets. Itis a full-ternary32Kx72entry
devicewhereeachentrylocationintheNSEhasbothaDataentryand
anassociatedMaskentry. TheNSEdevicesintegratecontentaddres-
sable memory (CAM) technology with high-performance logic. The
devicecanperformLookupoperationsplusReadandWritemaintenance
operations.
I
O
R
I
S
I
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E
Index
Bus
T
Y
32K X 72
L
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G
I
E
N
C
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D
E
R
D
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C
O
D
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C
Address
Request
Bus
REQDATA
The IDT 75N43102 NSE device has a bi-directional bus that is a
multiplexedaddressanddatabusthatcansupport62.5millionsustained
searchespersecond. Thisdevicecanbeconfiguredtoenablemultiple
widthlookups from72to288bits wide. The IDT75N43102requires a
1.5-volt VDD1 supply and a 2.5-volt VDD2 supply.
MATCHOUT
Global Mask Registers
DATA
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TheIDT75N43102NSEutilizesthelatesthigh-performance1.5V
CMOSprocessingtechnologyandis packagedinaJEDECStandard,
256 pin low profile Ball Grid Array.
SystemConfigurations
Figure 1.0 ASIC / FPGA Compatible NSE
The IDT NSEs are designed to fulfill the needs of various types of
networking systems. In solutions requiring data searching such as
routers,asystemconfigurationasshowninFigure1.0mayberealized.
Inthis compatible configuration, the NSEinterfaces directlytoan
ASIC/FPGAforlookupsandroutesanIndexdirectlybacktotheASIC/
FPGA.Controloftheassociatedhandshakesignalsisprovidedbythe
NSEsforthisconfiguration.
IDT75N43102
Network
Search
ASIC
or
FPGA
Engine
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APRIL 2004
1
DSC-6435/0B
2003 Integrated Device Technology, Inc. All rights reserved. Product specifications subject to change without notice.