AS7C256B datasheet(1/8 Pages) ALSC

部件名	AS7C256B

功能描述	5V 32K X 8 CMOS SRAM (Common I/O)

PDF	8 Pages

Scroll/Zoom	100%

制造商	ALSC [Alliance Semiconductor Corporation]

网页	https://www.alliancememory.com

标志

1 / 8 page

September 2006

Advance Information

AS7C256B

12/5/06; V.1.0

Alliance Memory

P. 1 of 8

5V 32K X 8 CMOS SRAM (Common I/O)

®

Features

• Industrial (-40o to 85oC) temperature

• Organization: 32,768 words × 8 bits

• High speed

- 12 ns address access time

- 6 ns output enable access time

• Low power consumption via chip deselect

• One chip select plus one Output Enable pin

• Bidirectional data inputs and outputs

• TTL-compatible

• 28-pin JEDEC standard packages

- 300 mil SOJ

-8

× 13.4 mm TSOP

- 300 mil PDIP

• ESD protection

≥ 2000 volts

Logic block diagram

A

9

A

8

32,768 X 8

Array

(262,144)

Input buffer

A0

A1

A2

A3

A4

A5

A6

A7

A

10

A

11

A

12

A

13

A

14

I/O0

I/O7

VCC

GND

OE

CE

WE

Address decoder

Control

circuit

Pin arrangement

1

2

3

4

5

6

7

8

9

10

11

12

13

14

28

27

26

25

24

23

22

21

20

19

18

17

VCC

WE

A13

A8

A9

A11

OE

A10

CE

I/O7

I/O6

I/O5

I/O4

I/O3

A14

A12

A7

A6

A5

A4

A3

A2

A1

A0

I/O0

I/O1

I/O2

GND

AS7C256B

16

15

28-pin TSOP 1 (8×13.4mm)

28-pin DIP, SOJ (300 mil)

Note: This part is compatible with both pin numbering

conventions used by various manufacturers.

(21)

(20)

(19)

(18)

(17)

(16)

(15)

(14)

(13)

(12)

(11)

(10)

(9)

(8)

(22)

(23)

(24)

(25)

(26)

(27)

(28)

(1)

(2)

(3)

(4)

(5)

(6)

(7)

1

2

3

4

5

6

7

8

9

10

11

12

13

14

28

27

26

25

24

23

22

21

20

19

18

17

VCC

WE

A13

A8

A9

A11

OE

A10

CE

I/O7

I/O6

I/O5

I/O4

I/O3

A14

A12

A7

A6

A5

A4

A3

A2

A1

A0

I/O0

I/O1

I/O2

GND

16

15

类似零件编号 - AS7C256B

制造商	部件名	数据表	功能描述
Alliance Semiconductor ...	AS7C256	125Kb / 8P	High Performance 32Kx8 CMOS SRAM
	AS7C256-10	125Kb / 8P	High Performance 32Kx8 CMOS SRAM
	AS7C256-10JC	125Kb / 8P	High Performance 32Kx8 CMOS SRAM
	AS7C256-10PC	125Kb / 8P	High Performance 32Kx8 CMOS SRAM
	AS7C256-10SC	125Kb / 8P	High Performance 32Kx8 CMOS SRAM

More results

类似说明 - AS7C256B

制造商	部件名	数据表	功能描述
STMicroelectronics	M48Z30	100Kb / 12P	CMOS 32K x 8 ZEROPOWER SRAM Jul-1994
Alliance Semiconductor ...	AS7C256A	248Kb / 9P	5V 32K X 8 CMOS SRAM (Common I/O)
	AS7C3513	187Kb / 8P	5V/3.3V 32K x 6 CMOS SRAM
	AS7C513B	213Kb / 9P	5V 32K x 16 CMOS SRAM
	AS7C3256A	248Kb / 9P	3.3V 32K X 8 CMOS SRAM (Common I/O)
	AS7C3256A-8	301Kb / 9P	3.3V 32K X 8 CMOS SRAM (Common I/O)
STMicroelectronics	M48T36	138Kb / 17P	CMOS 32K x 8 TIMEKEEPER SRAM Jul-1995
AMIC Technology	A625308	126Kb / 13P	32K X 8 BIT CMOS SRAM
Alliance Semiconductor ...	AS7C1028	119Kb / 8P	5V 256K X 4 CMOS SRAM (Common I/O)
AMIC Technology	A625308A	155Kb / 14P	32K X 8 BIT CMOS SRAM