HM62W16255HC View Datasheet(PDF) - Hitachi -> Renesas Electronics

Part Name

Description

MFG CO.

HM62W16255HC

4M High Speed SRAM (256-kword × 16-bit)

Hitachi -> Renesas Electronics 

Pin Arrangement

44-pin SOJ

A0 1

A1 2

A2 3

A3 4

A4 5

CS 6

I/O1 7

I/O2 8

I/O3 9

I/O4 10

VCC 11

VSS 12

I/O5 13

I/O6 14

I/O7 15

I/O8 16

WE 17

A5 18

A6 19

A7 20

A8 21

A9 22

44 A17

43 A16

42 A15

41 OE

40 UB

39 LB

38 I/O16

37 I/O15

36 I/O14

35 I/O13

34 VSS

33 VCC

32 I/O12

31 I/O11

30 I/O10

29 I/O9

28 NC

27 A14

26 A13

25 A12

24 A11

23 A10

(Top View)

Pin Description

Pin name

A0 to A17

I/O1 to I/O16

CS

OE

WE

UB

LB

VCC

VSS

NC

Function

Address input

Data input/output

Chip select

Output enable

Write enable

Upper byte select

Lower byte select

Power supply

Ground

No connection

HM62W16255HC Series

44-pin TSOP

A0

A1

A2

A3

A4

CS

I/O1

I/O2

I/O3

I/O4

VCC

VSS

I/O5

I/O6

I/O7

I/O8

WE

A5

A6

A7

A8

A9

1

44

2

43

3

42

4

41

5

40

6

39

7

38

8

37

9

36

10

35

11

34

12

33

13

32

14

31

15

30

16

29

17

28

18

27

19

26

20

25

21

24

22

23

(Top View)

A17

A16

A15

OE

UB

LB

I/O16

I/O15

I/O14

I/O13

VSS

VCC

I/O12

I/O11

I/O10

I/O9

NC

A14

A13

A12

A11

A10

3

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