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W24257A

32K

脳

8 HIGH SPEED CMOS STATIC RAM

GENERAL DESCRIPTION

The W24257A is a high speed, low power CMOS static RAM organized as 32768

脳

8 bits that

operates on a single 5-volt power supply. This device is manufactured using Winbond's high

performance CMOS technology.

FEATURES

鈥?/div>

High speed access time: 10/12/15/20 nS (max.)

Low power consumption:

鈭?/div>

Active: 400 mW (typ.)

Single

+5V

power supply

Fully static operation

鈥?/div>

All inputs and outputs directly TTL compatible

Three-state outputs

Available packages: 28-pin 300 mil SOJ, 330

mil SOP, skinny DIP and standard type one

TSOP (8 mm

脳

13.4 mm)

PIN CONFIGURATIONS

BLOCK DIAGRAM

V

DD

V

SS

A14

A12

A7

A6

A5

A4

A3

A2

A1

A0

I/O1

I/O2

I/O3

V

SS

1

2

3

4

5

6

7

8

9

10

11

12

13

14

28-pin

DIP

28

27

26

25

24

23

22

21

20

19

18

17

16

15

V

DD

WE

A13

A8

A9

A11

OE

A10

CS

I/O8

I/O7

I/O6

I/O5

I/O4

A0

.

A14

DECODER

CORE

ARRAY

CS

OE

WE

CONTROL

DATA I/O

I/O1

.

I/O8

PIN DESCRIPTION

OE

A11

A9

A8

A13

WE

V

DD

A14

A12

A7

A6

A5

A4

A3

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

16

15

A10

CS

I/O8

I/O7

I/O6

I/O5

I/O4

V

SS

I/O3

I/O2

I/O1

A0

A1

A2

28-pin

TSOP

SYMBOL

A0鈭扐14

I/O1鈭扞/O8

CS

WE

OE

V

DD

V

SS

DESCRIPTION

Address Inputs

Data Inputs/Outputs

Chip Select Input

Write Enable Input

Output Enable Input

Power Supply

Ground

-1-

Publication Release Date: May 1997

Revision A14

型号

版本

描述

厂商

下载
W24256

英文版

32K X 8 CMOS STATIC RAM

WINBOND

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W24258LL

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ETC

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W24256-10

英文版

x8 SRAM

ETC

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W24256-12

英文版

x8 SRAM

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x8 SRAM

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英文版

SRAM

ETC

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英文版

32K ′ 8 CMOS STATIC RAM

Winbond

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