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W24129A-35

16K X 8 HIGH SPEED CMOS STATIC RAM

Winbond 

W24129A

16K × 8 HIGH SPEED CMOS STATIC RAM

GENERAL DESCRIPTION

The W24129A is a high speed, low power CMOS static RAM organized as 16384 × 8 bits that

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

performance CMOS technology.

FEATURES

• High speed access time: 35 nS (max.)

• Low power consumption:

− Active: 600 mW (max.)

• Single +5V power supply

• Fully static operation

• All inputs and outputs directly TTL compatible

• Three-state outputs

• Available packages: 28-pin 600 mil DIP and

330 mil SOP

PIN CONFIGURATION

BLOCK DIAGRAM

NC

1

A12

2

A7

3

A6

4

A5

5

A4

6

A3

7

A2

8

A1

9

A0

10

I/O1

11

I/O2

12

I/O3

13

VSS

14

28

V DD

27

WE

26

A13

25

A8

24

A9

23

A11

22

OE

21

A10

20

CS

19

I/O8

18

I/O7

17

I/O6

16

I/O5

15

I/O4

VDD

VSS

A0

.

.

DECODER

A13

CORE

ARRAY

CS

OE CONTROL

WE

DATA I/O

I/O1

.

.

I/O8

PIN DESCRIPTION

SYMBOL

DESCRIPTION

A0−A13

I/O1−I/O8

CS

WE

OE

VDD

VSS

Address Inputs

Data Inputs/Outputs

Chip Select Input

Write Enable Input

Output Enable Input

Power Supply

Ground

Publication Release Date: April 1997

-1-

Revision A3

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