Datasheet > EDI8F321024C

EDI8F321024C

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
WEDC		/
页数	文件大小	规格书
6页	306K
描述
1024Kx32 Static RAM CMOS, High Speed Module

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EDI8F321024C 数据手册

EDI8F321024C

White Electronic Designs

1024Kx32 Static RAM CMOS, High Speed Module

FEATURES

DESCRIPTION

The EDI8F321024C is a high speed 32 megabit Static RAM

module organized as 1024K words by 32 bits. This module

is constructed from eight 1024Kx4 Static RAMs in SOJ

packages on an epoxy laminate (FR4) board.



1024Kx32 bit CMOS Static RAM

Access Times: 15, 20, and 25ns

Individual Byte Selects

Fully Static, No Clocks

Four chip enables (EØ#-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.

TTL Compatible I/O

High Density Package

72 Pin ZIP, No. 175

The EDI8F321024C is offered in 72 pin ZIP and 72 lead

SIMM packages, which enable 32 megabits of memory to

be placed in less than 1.3 square inches of board space.

72 lead SIMM, No. 176 (Angle)

72 lead SIMM, No. 356 (Straight)

Common Data Inputs and Outputs

Single +5V (±10%) Supply Operation

All inputs and outputs are TTLcompatible and operate from

a single 5V supply. Fully asynchronous circuitry requires

no clocks or refreshing for operation and provides equal

access and cycle times for ease of use.

*This product is subject to change without notice.

Pins PD1- PD4, are used to identify module memory

density in applications where alternate modules can be

interchanged.

PIN NAMES

FIG. 1 PIN CONFIGURATIONS AND BLOCK DIAGRAM

A0-A19

E0#-E3#

DQ0-DQ31

V_CC

Address Inputs

Chip Enables

Write Enable

Output Enable

Common Data Input/Output

Power (+5V±10%)

Ground

V_SS

No Connection

A0-A19

1 Meg

X 4

1 Meg

DQ0-DQ3

DQ4-DQ7

X 4

E0#

E1#

E2#

E3#

1 Meg

X 4

1 Meg

X 4

DQ8-DQ11

DQ16-DQ19

DQ24-DQ27

DQ12-DQ15

DQ20-DQ23

DQ28-DQ31

1 Meg

X 4

1 Meg

X 4

1 Meg

X 4

1 Meg

X 4

PD0 AND PD2 = GROUND

PD1 AND PD3 = OPEN

8F321024C Pin Config.

8F321024C Blk Dia.

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

Aug. 2002

Rev. 8A

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

12 3 4 5 6

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