Datasheet > MCM72BB64SG66

MCM72BB64SG66

更新时间： 2024-09-29 22:16:43

品牌	Logo	应用领域
摩托罗拉 - MOTOROLA		/
页数	文件大小	规格书
14页	256K
描述
256KB and 512KB BurstRAM Secondary Cache Module for Pentium

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MCM72BB64SG66 数据手册

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SEMICONDUCTOR TECHNICAL DATA

MCM72BB32

MCM72BB64

256KB and 512KB BurstRAM

Secondary Cache Module for

Pentium

TheMCM72BB32SGandMCM72BB64SGaredesignedtoprovideaburstable,

high performance, 256K/512K L2 cache for the Pentium microprocessor. The

modules are configured as 32K x 72 and 64K x 72 bits in a 160 pin card edge

memory module. Each module uses four of Motorola’s MCM67B518 or

MCM67B618 BiCMOS BurstRAMs.

160–LEAD

CARD EDGE

CASE 1113–01

TOP VIEW

Bursts canbeinitiatedwitheitheraddressstatusprocessor(ADSP) or address

status controller (ADSC). Subsequent burst addresses are generated internal to

the BurstRAM by the burst advance (ADV) input pin.

Write cycles are internally self timed and are initiated by the rising edge of the

clock (K) input. Eight write enables are provided for byte write control.

The cache family is designed to interface with popular Pentium cache

controllers with on board tag.

PD0 – PD2 are reserved for density identification.

•

Pentium–style Burst Counter on Board

160 Pin Card Edge Module

Single 5 V ± 5% Power Supply

All Inputs and Outputs are TTL Compatible

Three State Outputs

Byte Parity

Byte Write Capability

Fast Module Clock Rates: 66 MHz, 60 MHz

Decoupling Capacitors for each Fast Static RAM

High Quality Multi–Layer FR4 PWB With Separate Power and Ground Planes

I/Os are 3.3 V Compatible

Burndy Connector, Part Number: CELP2X80SC3Z48

BurstRAM is a trademark of Motorola.

Pentium is a trademark of Intel Corp.

REV 1

5/95

Motorola, Inc. 1995

MOTOROLA FAST SRAM

MCM72BB32•MCM72BB64

12 3 4 5 6 7...14

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