Datasheet > MCM63P531

MCM63P531

更新时间： 2024-11-24 22:54:51

品牌	Logo	应用领域
摩托罗拉 - MOTOROLA		/
页数	文件大小	规格书
16页	337K
描述
32K x 32 Bit Pipelined BurstRAM Synchronous Fast Static RAM

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MCM63P531 数据手册

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SEMICONDUCTOR TECHNICAL DATA

MCM63P531

Advance Information

32K x 32 Bit Pipelined BurstRAM

Synchronous Fast Static RAM

The MCM63P531 is a 1M bit synchronous fast static RAM designed to provide

a burstable, high performance, secondary cache for the 68K Family, PowerPC ,

and Pentium microprocessors. It is organized as 32K words of 32 bits each,

fabricated using high performance silicon gate CMOS technology. This device

integrates input registers, an output register, a 2–bit address counter, and high

speed SRAM onto a single monolithic circuit for reduced parts count in cache

dataRAMapplications. Synchronousdesignallowsprecisecyclecontrolwiththe

use of an external clock (K). CMOS circuitry reduces the overall power consump-

tion of the integrated functions for greater reliability.

TQ PACKAGE

TQFP

CASE 983A–01

Addresses (SA), data inputs (DQx), and all control signals except output en-

able (G) and Linear Burst Order (LBO) are clock (K) controlled through positive–

edge–triggered noninverting registers.

Bursts can be initiated with either ADSP or ADSC input pins. Subsequent burst

addresses can be generated internally by the MCM63P531 (burst sequence op-

eratesinlinearorinterleavedmodedependentuponstateofLBO) and controlled

by the burst address advance (ADV) input pin.

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

clock (K) input. This feature eliminates complex off–chip write pulse generation

and provides increased timing flexibility for incoming signals.

Synchronous byte write (SBx), synchronous global write (SGW), and synchro-

nous write enable SW are provided to allow writes to either individual bytes or to

all bytes. The four bytes are designated as “a”, “b”, “c”, and “d”. SBa controls

DQa, SBb controls DQb, etc. Individual bytes are written if the selected byte

writes SBx are asserted with SW. All bytes are written if either SGW is asserted

or if all SBx and SW are asserted.

For read cycles, pipelined SRAMs output data is temporarily stored by an

edge–triggeredoutput register and then released to the output buffers at the next

rising edge of clock (K).

The MCM63P531 operates from a 3.3 V power supply, all inputs and outputs

are LVTTL compatible.

•

MCM63P531–4.5 = 4.5 ns access / 10 ns cycle

MCM63P531–7 = 7 ns access / 13.3 ns cycle

MCM63P531–8 = 8 ns access / 15 ns cycle

MCM63P531–9 = 9 ns access / 16.6 ns cycle

Single 3.3 V + 10%, – 5% Power Supply

ADSP, ADSC, and ADV Burst Control Pins

Selectable Burst Sequencing Order (Linear/Interleaved)

Internally Self–Timed Write Cycle

Byte Write and Global Write Control

Sleep Mode (ZZ)

Intel PBSRAM 2.0 Compliant

Single–Cycle Deselect Timing

100 Pin TQFP Package

•

BurstRAM is a trademark of Motorola, Inc.

PowerPC is a trademark of IBM Corp.

Pentium is a trademark of Intel Corp.

This document contains information on a new product. Motorola reserves the right to change or discontinue this product without notice.

6/21/96

Motorola, Inc. 1996

MOTOROLA FAST SRAM

MCM63P531

12 3 4 5 6 7...16

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与MCM63P531相关器件

型号	品牌	获取价格	描述	数据表
MCM63P531TQ4.5	MOTOROLA	获取价格	32K x 32 Bit Pipelined BurstRAM Synchronous Fast Static RAM
MCM63P531TQ4.5R	MOTOROLA	获取价格	32K x 32 Bit Pipelined BurstRAM Synchronous Fast Static RAM
MCM63P531TQ7	MOTOROLA	获取价格	32K x 32 Bit Pipelined BurstRAM Synchronous Fast Static RAM
MCM63P531TQ7R	MOTOROLA	获取价格	32K x 32 Bit Pipelined BurstRAM Synchronous Fast Static RAM
MCM63P531TQ8	MOTOROLA	获取价格	32K x 32 Bit Pipelined BurstRAM Synchronous Fast Static RAM
MCM63P531TQ8R	MOTOROLA	获取价格	32K x 32 Bit Pipelined BurstRAM Synchronous Fast Static RAM
MCM63P531TQ9	MOTOROLA	获取价格	32K x 32 Bit Pipelined BurstRAM Synchronous Fast Static RAM
MCM63P531TQ9R	MOTOROLA	获取价格	32K x 32 Bit Pipelined BurstRAM Synchronous Fast Static RAM
MCM63P631	MOTOROLA	获取价格	64K x 32 Bit Pipelined BurstRAM Synchronous Fast Static RAM
MCM63P631A	MOTOROLA	获取价格	64K x 32 Bit Pipelined BurstRAM Synchronous Fast Static RAM

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