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GS72108AJ-12I

256K x 8 2Mb Asynchronous SRAM

Unspecified 

GS72108ATP/J

SOJ, TSOP

Commercial Temp

Industrial Temp

256K x 8

2Mb Asynchronous SRAM

7, 8, 10, 12 ns

3.3 V VDD

Center VDD and VSS

Features

SOJ 256K x 8-Pin Configuration

• Fast access time: 7, 8, 10, 12 ns

• CMOS low power operation: 135/115/95/80 mA at minimum

cycle time

• Single 3.3 V power supply

• All inputs and outputs are TTL-compatible

• Fully static operation

• Industrial Temperature Option: –40° to 85°C

• Package line up

J: 400 mil, 36-pin SOJ package

TP: 400 mil, 44-pin TSOP Type II package

Description

The GS72108A is a high speed CMOS Static RAM organized

as 262,144 words by 8 bits. Static design eliminates the need

for external clocks or timing strobes. The GS operates on a

single 3.3 V power supply and all inputs and outputs are TTL-

compatible. The GS72108A is available in 400 mil SOJ and

400 mil TSOP Type-II packages.

Pin Descriptions

Symbol

A0–A17

DQ1–DQ8

CE

WE

OE

VDD

VSS

NC

Description

Address input

Data input/output

Chip enable input

Write enable input

Output enable input

+3.3 V power supply

Ground

No connect

A4

1

A3

2

36

NC

35

A5

A2

3

34

A6

A1

4

33

A7

A0

5

32

A8

CE

6

31

OE

DQ1

7

30

DQ8

DQ2

8

36-pin

29

DQ7

VDD

9

28

400 mil SOJ

VSS

VSS

10

27

VDD

DQ3

11

26

DQ6

DQ4

12

25

DQ5

WE

13

24

A9

A17

14

23

A10

A16

15

22

A11

A15

16

21

A12

A14

17

20

NC

A13

18

19

NC

Package J

Rev: 1.04a 10/2002

1/12

© 2001, Giga Semiconductor, Inc.

Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.

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