AS7C31025B-10JCN datasheet(1/9 Pages) ALSC

Part #	AS7C31025B-10JCN

Description	3.3V 128K X 8 CMOS SRAM (Center power and ground)

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Manufacturer	ALSC [Alliance Semiconductor Corporation]

Direct Link	https://www.alliancememory.com

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1 / 9 page

March 2004

®

AS7C31025B

3.3V 128K X 8 CMOS SRAM (Center power and ground)

3/24/04, v. 1.3

Alliance Semiconductor

P. 1 of 9

Features

• Industrial and commercial temperatures

• Organization: 131,072 x 8 bits

• High speed

- 10/12/15/20 ns address access time

- 5, 6, 7, 8 ns output enable access time

• Low power consumption: ACTIVE

- 252 mW / max @ 10 ns

• Low power consumption: STANDBY

- 18 mW / max CMOS

• 6 T 0.18 u CMOS technology

• Easy memory expansion with CE, OE inputs

• Center power and ground

• TTL/LVTTL-compatible, three-state I/O

• JEDEC-standard packages

- 32-pin, 300 mil SOJ

- 32-pin, 400 mil SOJ

• ESD protection

≥ 2000 volts

• Latch-up current

≥ 200 mA

Logic block diagram

512 x 256 x 8

Array

(1,048,576)

Input buffer

I/O0

I/O7

OE

CE

WE

Column decoder

Control

circuit

A0

A1

A2

A3

A4

A5

A6

A7

VCC

GND

A8

Pin arrangement

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

32

31

30

29

28

27

26

25

24

23

22

21

20

19

18

17

A16

A15

A14

A13

OE

I/O7

I/O6

GND

VCC

I/O5

I/O4

A12

A11

A10

A9

A8

A0

A1

A2

A3

CE

I/O0

I/O1

VCC

GND

I/O2

I/O3

WE

A4

A5

A6

A7

32-pin SOJ (300 mil)

32-pin SOJ (400 mil)

Selection guide

-10

-12

-15

-20

Unit

Maximum address access time

10

12

15

20

ns

Maximum output enable access time

5678

ns

Maximum operating current

70

65

60

55

mA

Maximum CMOS standby current

5555

mA

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