edi8f32512v White Electronic Designs Corporation, edi8f32512v Datasheet

edi8f32512v

Manufacturer Part Number

edi8f32512v

Description

512kx32 Static Cmos, High Speed Module

Manufacturer

White Electronic Designs Corporation

Datasheet

1.EDI8F32512V.pdf (6 pages)

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512Kx32 Static RAM CMOS, High Speed Module

FEATURES

* This product is subject to change without notice.

White Electronic Designs Corp. reserves the right to change products or specifications without notice.

Aug, 2002

Rev. 8A

FIG. 1

512Kx32 bit CMOS Static RAM

Random Access Memory

High Density Package

Single +3.3V (±10%) Supply Operation

Pin Configurations and Block Diagram

Access Times: 15, 20, and 25ns

Individual Byte Selects

Fully Static, No Clocks

TTL Compatible I/O

72 Pin ZIP, No. 173

72 lead SIMM, No. 174 (Gold Option)

Common Data Inputs and Outputs

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DESCRIPTION

The EDI8F32512V is a high speed 16 Mb Static RAM

module organized as 512K words by 32 bits. This module is

constructed from four 512Kx8 Static RAMs in SOJ packages

on an epoxy laminate (FR4) board.

Four chip enables (E0#-E3#) are used to independently

enable the four bytes. Reading or writing can be executed on

individual bytes or any combination of multiple bytes through

proper use of selects.

The EDI8F32512V is offered in 72 pin ZIP and 72 lead SIMM

packages, which enable 16 Mb of memory to be placed in

less than 1.3 square inches of board space.

All inputs and outputs are TTL compatible and operate from a

single 3.3V supply. Fully asynchronous circuitry requires no

clocks or refreshing for operation and provides equal access

and cycle times for ease of use.

Pins PD0- PD3, are used to identify module memory density in

applications where alternate modules can be interchanged.

White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com

A0-A18

E0#-E3#

DQ0-DQ31

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Pin Names

Power (+3.3V±10%)

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Address Inputs

Common Data

Output Enable

Chip Enables

Write Enable

Input/Output

Ground

EDI8F32512V

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edi8f32512v Summary of contents

Page 1

... Reading or writing can be executed on individual bytes or any combination of multiple bytes through proper use of selects. The EDI8F32512V is offered in 72 pin ZIP and 72 lead SIMM packages, which enable memory to be placed in less than 1.3 square inches of board space. All inputs and outputs are TTL compatible and operate from a single 3 ...

Page 2

... Data Lines OUT CC Chip Enable Line Write Line HIGH These parameters are sampled, not 100% tested. 2 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com EDI8F32512V CONDITIONS Sym Min Typ Max V 3.0 3 ...

Page 3

... White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com EDI8F32512V 20ns 25ns Max Min Max Min Max ...

Page 4

... White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com EDI8F32512V 20ns 25ns Units Min Max Min Max 20 25 ...

Page 5

... White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com EDI8F32512V � �� ...

Page 6

... EDI8F32512V15MZC 174 EDI8F32512V20MZC 174 EDI8F32512V25MZC �� ...

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