AS7C31025A-15TC 查看數據表（PDF） - Alliance Semiconductor

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AS7C31025A-15TC

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

Alliance Semiconductor 

January 2001

Advance Information

AS7C1025A

AS7C31025A

®

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

Features

• AS7C1025A (5V version)

• AS7C31025A (3.3V version)

• Industrial and commercial temperatures

• Organization: 131,072 x 8 bits

• High speed

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

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

• Low power consumption: ACTIVE

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

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

• Low power consumption: STANDBY

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

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

Logic block diagram

VCC

GND

Input buffer

A0

A1

I/O7

A2

A3

512×256×8

A4

Array

A5

(1,048,576)

A6

A7

I/O0

A8

WE

Column decoder

Control

circuit

OE

CE

• 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

- 32-pin, 300 mil SOJ

- 32-pin, 400 mil SOJ

- 32-pin, TSOP II

• ESD protection ≥ 2000 volts

• Latch-up current ≥ 200 mA

Pin arrangement

32-pin TSOP II

A0 1

A1 2

A2 3

A3 4

CE 5

I/O0 6

I/O1 7

VCC 8

GND 9

I/O2 10

I/O3 11

WE 12

A4 13

A5 14

A6 15

A7 16

32 A16

31 A15

30 A14

29 A13

28 OE

27 I/O7

26 I/O6

25 GND

24 VCC

23 I/O5

22 I/O4

21 A12

20 A11

19 A10

18 A9

17 A8

32-pin SOJ (300 mil)

32-pin SOJ (400 mil)

A0

1

A1

2

A2

3

A3

4

CE

5

I/O0

6

I/O1

7

VCC

8

GND

9

I/O2

10

I/O3

11

WE

12

A4

13

A5

14

A6

15

A7

16

32 A16

31 A15

30 A14

29 A13

28 OE

27 I/O7

26 I/O6

25 GND

24

VCC

23 I/O5

22 I/O4

21 A12

20 A11

19 A10

18 A9

17 A8

Selection guide

Maximum address access time

AS7C1025A-10

AS7C31025A-10

10

AS7C1025A-12

AS7C31025A-12

12

AS7C1025A-15

AS7C31025A-15

15

AS7C1025A-20

AS7C31025A-20

20

Maximum output enable access

time

3

3

4

5

Maximum

AS7C1025A

120

110

100

100

operating

current

AS7C31025A

90

80

80

80

Maximum

AS7C1025A

10

10

10

15

CMOS standby

current

AS7C31025A

10

10

10

15

Unit

ns

ns

mA

mA

mA

mA

2/6/01; V.0.9

Alliance Semiconductor

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