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W24257

32K

脳

8 CMOS STATIC RAM

GENERAL DESCRIPTION

The W24257 is a slow 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>

Low power consumption:

鈭?/div>

Active: 325 mW (max.)

鈭?/div>

Standby: 75

碌W

(max.) (LL-version)

150

碌W

(max.) (L-version)

鈥?/div>

Access time: 70 nS (max.)

鈥?/div>

Single

+5V

power supply

鈥?/div>

Fully static operation

鈥?/div>

All inputs and outputs directly TTL compatible

Three-state outputs

Battery back-up operation capability

Data retention voltage: 2V (min.)

Packaged in 28-pin 330 mil SOP,

standard type one TSOP (8 mm x 13.4 mm )

PIN CONFIGURATIONS

BLOCK DIAGRAM

V

DD

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

27

26

25

24

V

DD

#WE

A13

A8

A9

A11

#OE

A10

#CS

I/O8

I/O7

I/O6

I/O5

I/O4

V

SS

A0

.

A14

DECODER

CORE

ARRAY

28-pin

SOP

23

22

21

20

19

18

17

16

15

#CS

#OE

#WE

CONTROL

DATA I/O

I/O1

.

I/O8

#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-pin

TSOP

28

27

26

25

24

23

22

21

20

19

18

17

16

15

A10

#CS

I/O 8

I/O 7

I/O 6

I/O 5

I/O 4

V

SS

I/O 3

I/O 2

I/O 1

A0

A1

A2

PIN DESCRIPTION

SYMBOL

A0鈭扐14

I/O1鈭捍/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: February 2001

Revision A16

型號

版本

描述

廠商

下載
W24256

英文版

32K X 8 CMOS STATIC RAM

WINBOND

W24256
W24256

英文版

32K X 8 CMOS STATIC RAM

WINBOND [W...

W24256
W24257

英文版

32K X 8 High Speed CMOS Static RAM

WINBOND

W24257
W24257

英文版

32K X 8 High Speed CMOS Static RAM

WINBOND [W...

W24257
W24258

英文版

32K X 8 CMOS STATIC RAM

WINBOND

W24258
W24258

英文版

32K X 8 CMOS STATIC RAM

WINBOND [W...

W24258
W24257A

英文版

32K X 8 High Speed CMOS Static RAM

WINBOND

W24257A
W24257A

英文版

32K X 8 High Speed CMOS Static RAM

WINBOND [W...

W24257A
W24258H

英文版

32K X 8 CMOS STATIC RAM

WINBOND

W24258H
W24258H

英文版

32K X 8 CMOS STATIC RAM

WINBOND [W...

W24258H
W24257AK

英文版

32K X 8 High Speed CMOS Static RAM

WINBOND

W24257AK
W24257AK

英文版

32K X 8 High Speed CMOS Static RAM

WINBOND [W...

W24257AK
W24258LL

英文版

32K x 8 CMOS STATIC RAM

ETC

W24258LL
W24256-10

英文版

x8 SRAM

ETC

W24256-10
W24256-12

英文版

x8 SRAM

ETC

W24256-12
W24256-15

英文版

x8 SRAM

ETC

W24256-15
W24256-70

英文版

32K X 8 CMOS STATIC RAM

WINBOND

W24256-70
W24256-70

英文版

32K X 8 CMOS STATIC RAM

WINBOND [W...

W24256-70
W24258/LL

英文版

SRAM

ETC

W24258/LL
W24258/LL

英文版

32K ′ 8 CMOS STATIC RAM

Winbond

W24258/LL

W24257Q-70L Datasheet

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