HM514170D View Datasheet(PDF) - Hitachi -> Renesas Electronics

Part Name

Description

Manufacturer

HM514170D

262,144-word × 16-bit Dynamic RAM

Hitachi -> Renesas Electronics 

HM51(S)4170D Series, HM51(S)4270D Series

Pin Arrangement

HM514170DJ/DLJ Series

HM51S4170DJ/DLJ Series

VCC 1

I/O0 2

I/O1 3

I/O2 4

I/O3 5

VCC 6

I/O4 7

I/O5 8

I/O6 9

I/O7 10

NC 11

LWE 12

UWE 13

RAS 14

A9 15

A0 16

A1 17

A2 18

A3 19

VCC 20

40 VSS

39 I/O15

38 I/O14

37 I/O13

36 I/O12

35 VSS

34 I/O11

33 I/O10

32 I/O9

31 I/O8

30 NC

29 NC

28 CAS

27 OE

26 A8

25 A7

24 A6

23 A5

22 A4

21 VSS

(Top view)

Pin Description

Pin name Function

A0 to A9

Address input

— Refresh address A0 to A9

— Row address A0 to A9

— Column address A0 to A7

I/O0 to I/O15 Data input/output

RAS

Row address strobe

CAS

Column address strobe

UWE / LWE Read/write enable

OE

Output enable

VCC

Power supply

VSS

Ground

NC

No connection

HM514170DTT/DLTT Series

HM51S4170DTT/DLTT Series

VCC 1

I/O0 2

I/O1 3

I/O2 4

I/O3 5

VCC 6

I/O4 7

I/O5 8

I/O6 9

I/O7 10

44 VSS

43 I/O15

42 I/O14

41 I/O13

40 I/O12

39 VSS

38 I/O11

37 I/O10

36 I/O9

35 I/O8

NC

LWE

UWE

RAS

A9

A0

A1

A2

A3

VCC

13

32

14

31

15

30

16

29

17

28

18

27

19

26

20

25

21

24

22

23

(Top view)

NC

NC

CAS

OE

A8

A7

A6

A5

A4

VSS

4

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