Datasheet > MPC2104

MPC2104

更新时间： 2024-10-28 22:46:03

品牌	Logo	应用领域
摩托罗拉 - MOTOROLA		PC
页数	文件大小	规格书
24页	231K
描述
256KB and 512KB BurstRAM Secondary Cache Modules for PowerPC PReP/CHRP Platforms

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MPC2104 数据手册

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SEMICONDUCTOR TECHNICAL DATA

MPC2104

Advance Information

MPC2105

MPC2106

MPC2107

256KB and 512KB BurstRAM

Secondary Cache Modules for

PowerPC PReP/CHRP Platforms

The MPC2104/5/6/7 are designed to provide burstable, high performance L2

cache for the PowerPC 60x microprocessor family in conformance with the

PowerPC Reference Platform (PReP) and the PowerPC Common Hardware

Reference Platform (CHRP) specifications. These products utilize synchronous or

asynchronous data RAMs.

The MPC2104, MPC2105, and MPC2106 utilize synchronous BurstRAMs.

The modules are configured as 32K x 72, 64K x 72, and 128K x 72 bits in a 182

(91 x 2) pin DIMM format. The MPC2104 uses four of Motorola’s 5 V 32K x 18;

the MPC2105 uses four of the 5 V 64K x 18; the MPC2106 uses eight of the

5 V 64K x 18. For tag bits, a 5 V cache tag RAM configured as 16K x 12 for tag field

plus 16K x 2 for valid and dirty status bits is used.

Bursts can be initiated with the ADS signal. Subsequent burst addresses are

generated internal to the BurstRAM by the CNTEN signal.

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

clock (CLKx) inputs. Eight write enables are provided for byte write control.

The MPC2107 utilizes asynchronous data RAMs. The module is configured as

32K x 64 in the same 182 pin DIMM format. Again, 5 V cache tag RAMs configured

as 16K x 12 for tag field plus 16K x 2 for valid and dirty status bits are used. Burst

capability is provided in that two burst addresses bypass the address latch.

Presence detect pins are available for auto configuration of the cache con-

trol. A serial EEPROM is optional to provide more in–depth description of the

cachemodule. This EEPROMwillbeavailableonfuturerevisionsofthemodule

family.

The module family pinout will support 5 V and 3.3 V components for a clear

path to lower voltage and power savings. Both power supplies must be connected.

All of these cache modules are plug and pin compatible with each other.

•

PowerPC–style Burst Counter on Chip (MPC2104/5/6)

Flow–Through Data I/O (MPC2104/5/6)

Plug and Pin Compatibility of entire Module Family

Multiple Clock Pins for Reduced Loading

All Cache Data and Tag I/Os are LVTTL (3.3 V) Compatible (MPC2104/5/6)

Three State Outputs

Byte Write Capability

Fast Module Clock Rates: Up to 66 MHz

Fast SRAM Access Times: 10 ns for Tag RAM Match

9 ns for Data RAM (MPC2104/5/6)

15 ns for Data RAM (MPC2107)

•

Decoupling Capacitors for Each Fast Static RAM

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

182 Pin Card Edge Module

Burndy Connector, Part Number: ELF182JSC–3Z50

BurstRAM is a trademark of Motorola.

PowerPC is a trademark of International Business Machines Corp.

This document contains information on a new product. Specifications and information herein are subject to change without notice.

11/8/95

Motorola, Inc. 1995

MOTOROLA FAST SRAM

MPC2104•MPC2105•MPC2106•MPC2107

12 3 4 5 6 7...24

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与MPC2104相关器件

型号	品牌	获取价格	描述	数据表
MPC2104P	MOTOROLA	获取价格	256KB/512KB BurstRAM Secondary Cache Modules for PowerPC PReP/CHRP Platforms
MPC2104PDG66	MOTOROLA	获取价格	256KB/512KB BurstRAM Secondary Cache Modules for PowerPC PReP/CHRP Platforms
MPC2104SG66	MOTOROLA	获取价格	256KB and 512KB BurstRAM Secondary Cache Modules for PowerPC PReP/CHRP Platforms
MPC2105A	MOTOROLA	获取价格	512KB and 1MB BurstRAM Secondary Cache Modules for PowerPC PReP/CHRP Platforms
MPC2105ASG66	MOTOROLA	获取价格	512KB and 1MB BurstRAM Secondary Cache Modules for PowerPC PReP/CHRP Platforms
MPC2105BSG66	MOTOROLA	获取价格	512KB and 1MB BurstRAM Secondary Cache Modules for PowerPC PReP/CHRP Platforms
MPC2105C	MOTOROLA	获取价格	512KB and 1MB BurstRAM Secondary Cache Modules for PowerPC PReP/CHRP Platforms
MPC2105CDG66	MOTOROLA	获取价格	512KB and 1MB BurstRAM Secondary Cache Modules for PowerPC PReP/CHRP Platforms
MPC2105PDG66	MOTOROLA	获取价格	256KB/512KB BurstRAM Secondary Cache Modules for PowerPC PReP/CHRP Platforms
MPC2105SG66	MOTOROLA	获取价格	256KB and 512KB BurstRAM Secondary Cache Modules for PowerPC PReP/CHRP Platforms

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