KE5BLME064 查看數據表（PDF） - KAWASAKI MICROELECTRONICS

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KE5BLME064

Longest Match Engine

KAWASAKI MICROELECTRONICS 

Kawasaki LSI

64K Longest Match Search Engine (KE5BLME064)

PRELIMINARY

1. Features

The KE5BLME064 provides the best solution to a high-speed route search with the

following functions:

• 64K Route Entries

The device can store 65,528-route prefixes

Each entry has 40-bit width

• Clock

Maximum Clock Frequency: 66 MHz

• Longest Match Search Capability

• Exact Match Search Capability

• Search Throughput

6.7 Mpps (packet per sec. at 66MHz clock) (10 clocks)

• Search Latency

270 ns (hit flag; match length output) (18 clocks)

555 ns (associative data output) (37 clocks)

• Data Insertion/Deletion

534 entries/sec typical (During Search Operation) (66MHz)

400k entries/sec maximum (During initialization Operation) (66MHz)

• Triple-Port Architecture

CPU port: 16 bit

Input port: 40 bit

Output port: 18 bit

• Embedded External SRAM Control

3pcs of 2Mbits flow through type Synchronous Burst SRAM

• Cascade Connection to Increase Density

• Interface

LVTTL

• Voltage

Single 3.3V ± 0.3V Supply

• Package

416 BGA ( BGA352+TB64, TB:Thermal Ball )

• CMOS Technology

Version 2.5.4

Proprietary and Confidential

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