Datasheet > EDI8F8512C-B6C

EDI8F8512C-B6C

更新时间： 2024-02-02 00:37:29

品牌	Logo	应用领域
其他 - ETC		静态存储器
页数	文件大小	规格书
8页	491K
描述
SRAM Modules

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中文翻译

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数据手册

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EDI8F8512C-B6C 数据手册

EDI8F8512C

512Kx8 STATIC RAM CMOS, MODULE

FEATURES

DESCRIPTION

n 512Kx8 bit CMOS Static

The EDI8F8512C is a 4096K bit CMOS Static RAM based on four

128Kx8 or 256Kx4 (high speed) Static RAMs mounted on a multi-

layered epoxy laminate (FR4) substrate.

n Random Access Memory

Access Times 20 through 100ns

Data Retention Function (EDI8F8512LP)

TTL Compatible Inputs and Outputs

Fully Static, No Clocks

Functional equivalence to the monolithic four megabit Static

RAM is achieved by utilization of an on-board decoder that

interprets the higher order address(es) to select one of the128Kx8

or 256Kx4 Static RAMs.

The 32 pin DIP pinout adheres to the JEDEC standard for the four

megabit device, to ensure compatibility with future monolithics.

n High Density Packaging

36 Pin SIP, No. 63

A low power version with data retention (EDI8F8512LP) is also

available.

32 Pin DIP, JEDEC Pinout, No. 91 (55-100ns)

32 Pin DIP, JEDEC Pinout, No. 183 (20-35ns)

n Single +5V (±10%) Supply Operation

All inputs and outputs are TTL compatible and operate from a

single 5V supply. Fully asynchronous, the EDI8F8512C requires

no clocks or refreshing for operation.

FIG. 1

PIN NAMES

PIN CONFIGURATIONS AND BLOCK DIAGRAM

AØ-A18

Address Inputs

Chip Enable

A18

A16

A14

A12

VCC

A15

A17

A13

A11

VCC

DQ2

DQ3

DQ0

VSS

DQ5

A10

A11

A13

A14

Write Enable

Output Enable

Common Data Input/Output

Power (+5V±10%)

Ground

DQØ-DQ7

VCC

VSS

A2 10

A1 11

A0 12

DQ0 13

DQ1 14

DQ2 15

VSS 16

A10

No Connection

DQ7

DQ6

DQ5

DQ4

DQ3

0-17

256K x 4

DQ0-3

8F8512C Pin Config

A0-16

128K x 8

256K x 4

DQ4-7

A15

A16

A12

A18

DQ1

VSS

DQ7

DQ4

DQ6

A17

VCC

128K x 8

DQ0-7

20-35ns

55-100ns

20-55ns

A18

17-A18

DECODER

8F8512C Pin Config.

8F8512C Blk Dia2

8F8512C Blk Dia

White Electronic Designs Corporation (508) 366-5151 www.whiteedc.com

July 2002 Rev. 13A

ECO #15405

12 3 4 5 6 7 8

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