King Billion Electronics Co., Ltd

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HF88M32B

January 16, 2004

3

V1.11

This specification is subject to change without notice. Please contact sales person for the latest version before use.

3.Functional block diagram

MEMORY

CELL

ARRAY

SENSE

AMP.

OEn

X BUFFER &

DECODER

[D7.. D0]

CONTROL

LOGIC

Y BUFFER &

DECODER

CEn

[P00..P07]

[P10..P17]

[A21..A0]

AC0

AC1

AC2

P0

DIR0

P1

DIR1

WEn

RS2..RS0

4.Pin Description

HF88M32

10

9

8

7

6

5

4

3

41

40

39

38

37

36

35

34

33

11

13

32

14

16

18

20

23

25

27

29

22

12

2

1

42

15

17

19

21

24

26

28

30

31

43

P00

P01

P02

P03

P04

P05

P06

P07

P10

P11

P12

P13

P14

P15

P16

P17

RS0

CE

OE

NC

D0

D1

D2

D3

D4

D5

D6

D7

VCC

GND

RS1

RS2

WE

NC

NC

NC

NC

NC

NC

NC

NC

GND

NC