Preliminary W24100

128K

× 8 CMOS STATIC RAM

Publication Release Date: October 1999

- 1 -

Revision A1

GENERAL DESCRIPTION

The W24100 is a normal-speed, very low-power CMOS static RAM organized as 131072

× 8 bits that

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

performance CMOS technology.

FEATURES

standard type one TSOP (8 mm

× 20 mm) and

small type one TSOP (8 mm

× 13.4 mm)

PIN CONFIGURATIONS

V

A8

A9

WE

1

2

3

4

5

24

25

26

27

28

NC

A7

A6

A5

A12

A4

A3

A2

A1

6

7

8

9

20

21

22

23

A11

OE

A10

CS1

I/O 8

I/O 7

I/O 6

I/O5

10

11

12

13

16

17

18

19

A0

I/O2

I/O3

I/O1

14

15

I/O4

A13

V

A14

A16

32

31

30

29

A15

CS2

DD

SS

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

A3

A2

A1

A0

OE

A10

CS1

I/O7

I/O6

I/O5

I/O4

32-pin

TSOP

32

31

30

29

28

27

26

25

24

23

22

21

20

19

18

17

I/O8

A15

A12

A7

A6

A5

A4

V

CS2

WE

A13

A8

DD

A11

A9

NC

A14

A16

I/O3

I/O2

I/O1

32-pin

SOP

BLOCK DIAGRAM

CORE CELL ARRAY

1024 ROWS

128 X 8 COLUMNS

DATA

CNTRL.

CLK

GEN.

R

O

W

D

E

C

O

D

E

R

A15

I/O CKT.

COLUMN DECODER

WE

OE

CLK GEN.

PRECHARGE CKT.

A13 A8 A1 A0 A11A10

CS1

CS2

A16

A14

A12

A4

A3

A2

A7

A6

A5

A9

I/O1

I/O8

:

PIN DESCRIPTION

SYMBOL

DESCRIPTION

A0

−A16

Address Inputs

I/O1

−I/O8

Data Inputs/Outputs

CS1, CS2

Chip Select Input

WE

Write Enable Input

OE

Output Enable Input

Power Supply

Ground

NC

No Connection