as7c31025a-20tji Alliance Memory, Inc, as7c31025a-20tji Datasheet

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as7c31025a-20tji

Manufacturer Part Number

as7c31025a-20tji

Description

5v/3.3v 128k Cmos Sram Revolutionary Pinout

Manufacturer

Alliance Memory, Inc

Datasheet

1.AS7C31025A-20TJI.pdf (8 pages)

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Maximum address access time

Maximum output enable access

time

Maximum

operating

current

Maximum

CMOS standby

current

Features

• AS7C1025A (5V version)

• AS7C31025A (3.3V version)

• Industrial and commercial temperatures

• Organization: 131,072 x 8 bits

• High speed

• Low power consumption: ACTIVE

• Low power consumption: STANDBY

Logic block diagram

Selection guide

January 2001

Advance Information

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

- 3/3/4/5 ns output enable access time

- 660 mW (AS7C1025A) / max @ 10 ns (5V)

- 324 mW (AS7C31025A) / max @ 10 ns (3.3V)

- 55 mW (AS7C1025A) / max CMOS (5V)

- 36 mW (AS7C31025A) / max CMOS (3.3V)

2/6/01; V.0.9

GND

V

A0

A1

A2

A3

A4

A5

A6

A7

A8

CC

AS7C31025A

AS7C31025A

AS7C1025A

AS7C1025A

Column decoder

(1,048,576)

Input buffer

512 256 8

Array

5V/3.3V 128K X 8 CMOS SRAM (Revolutionary pinout)

AS7C31025A-10

AS7C1025A-10

120

10

10

90

10

3

Control

circuit

Alliance Semiconductor

AS7C31025A-12

WE

AS7C1025A-12

OE

CE

I/O7

I/O0

110

12

80

10

10

3

Pin arrangement

• Latest 6T 0.25u CMOS technology

• 2.0V data retention

• Easy memory expansion with CE, OE inputs

• Center power and ground

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

• JEDEC-standard packages

• ESD protection

• Latch-up current

- 32-pin, 300 mil SOJ

- 32-pin, 400 mil SOJ

- 32-pin, TSOP II

®

AS7C31025A-15

AS7C1025A-15

100

15

80

10

10

4

I/O0

I/O1

I/O2

I/O3

GND

V

WE

A0

A1

A2

A3

A4

A5

A6

A7

CE

2000 volts

CC

I/O0

I/O1

GND

I/O2

I/O3

V

32-pin SOJ (300 mil)

32-pin SOJ (400 mil)

WE

A4

A5

A6

A7

CE

A0

A1

A2

A3

CC

200 mA

32-pin TSOP II

Copyright © Alliance Semiconductor. All rights reserved.

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3

4

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AS7C31025A-20

AS7C1025A-20

32

31

30

29

28

27

26

25

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32

31

30

29

28

27

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20

19

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17

AS7C31025A

AS7C1025A

100

20

80

15

15

I/O7

I/O6

GND

I/O5

I/O4

A16

A15

A14

A13

A12

A11

A10

V

5

OE

A9

A8

A16

A15

A14

A13

OE

I/O7

I/O6

GND

V

I/O5

I/O4

A12

A11

A10

A9

A8

CC

CC

P. 1 of 8

Unit

mA

mA

mA

mA

ns

ns

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