Datasheet > 存储 > SRAM> MCM69P817ZP3

MCM69P817ZP3

更新时间： 2024-11-10 22:23:39

品牌	Logo	应用领域
摩托罗拉 - MOTOROLA		存储静态存储器
页数	文件大小	规格书
16页	181K
描述
256K x 18 Bit Pipelined BurstRAM Synchronous Fast Static RAM

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MCM69P817ZP3 技术参数

是否Rohs认证：	不符合	生命周期：	Obsolete
包装说明：	BGA,	Reach Compliance Code：	unknown
ECCN代码：	3A991.B.2.A	HTS代码：	8542.32.00.41
风险等级：	5.92	Is Samacsys：	N
Base Number Matches：	1

MCM69P817ZP3 数据手册

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by MCM69P817/D

SEMICONDUCTOR TECHNICAL DATA

MCM69P817

Product Preview

256K x 18 Bit Pipelined

BurstRAM Synchronous

Fast Static RAM

The MCM69P817 is a 4M bit synchronous fast static RAM designed to provide

a burstable, high performance, secondary cache for the PowerPC and other

high performance microprocessors. It is organized as 256K words of 18 bits

each. This device integrates input registers, an output register, a 2–bit address

counter, andahighspeedSRAMontoasinglemonolithiccircuitforreducedparts

count in cache data RAM applications. Synchronous design allows precise cycle

control with the use of an external clock (K).

ZP PACKAGE

PBGA

CASE 999–01

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

enable(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 MCM69P817 (burst sequence

operates in linear or interleaved mode dependent upon the state of LBO) 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 two bytes are designated as “a” and “b”. SBa controls DQa and

SBb controls DQb. 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 MCM69P817 operates from a 3.3 V core power supply and all outputs

operate on a 3.3 V or 2.5 V power supply. All inputs and outputs are JEDEC stan-

dard JESD8–5 compatible.

•

MCM69P817 Speed Options

Pipelined

Speed

Setup

0.5 ns

Hold

1 ns

Pkg

KHQV

KHKH

200 MHz

180 MHz

166 MHz

5 ns

2.5 ns

3.0 ns

3.5 ns

475 mA

450 mA

425 mA

PBGA

5.5 ns

6 ns

•

3.3 V + 10%, – 5% Core Power Supply, Operates with a 3.3 V or 2.5 V I/O

Supply

•

ADSP, ADSC, and ADV Burst Control Pins

Selectable Burst Sequencing Order (Linear/Interleaved)

Single–Cycle Deselect Timing

Internally Self–Timed Write Cycle

Byte Write and Global Write Control

PB1 Version 2.0 Compatible

JEDEC Standard 119–Pin PBGA Package

BurstRAM is a trademark of Motorola, Inc.

The PowerPC name is a trademark of IBM Corp., used under license therefrom.

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

6/10/97

Motorola, Inc. 1997

MOTOROLA FAST SRAM

MCM69P817

12 3 4 5 6 7...16

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与MCM69P817ZP3相关器件

型号	品牌	获取价格	描述	数据表
MCM69P817ZP3.5	MOTOROLA	获取价格	256K x 18 Bit Pipelined BurstRAM Synchronous Fast Static RAM
MCM69P817ZP3.5R	MOTOROLA	获取价格	256K x 18 Bit Pipelined BurstRAM Synchronous Fast Static RAM
MCM69P817ZP3R	MOTOROLA	获取价格	256K x 18 Bit Pipelined BurstRAM Synchronous Fast Static RAM
MCM69P818	MOTOROLA	获取价格	256K x 18 Bit Pipelined BurstRAM Synchronous Fast Static RAM
MCM69P818ZP3.5	MOTOROLA	获取价格	256K x 18 Bit Pipelined BurstRAM Synchronous Fast Static RAM
MCM69P818ZP3.5R	MOTOROLA	获取价格	256K x 18 Bit Pipelined BurstRAM Synchronous Fast Static RAM
MCM69P818ZP3.8	MOTOROLA	获取价格	256K x 18 Bit Pipelined BurstRAM Synchronous Fast Static RAM
MCM69P818ZP3.8R	MOTOROLA	获取价格	256K x 18 Bit Pipelined BurstRAM Synchronous Fast Static RAM
MCM69P818ZP4	MOTOROLA	获取价格	256K x 18 Bit Pipelined BurstRAM Synchronous Fast Static RAM
MCM69P818ZP4R	MOTOROLA	获取价格	256K x 18 Bit Pipelined BurstRAM Synchronous Fast Static RAM

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