UPD448012-B55X Просмотр технического описания (PDF) - NEC => Renesas Technology

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UPD448012-B55X

8M-BIT CMOS STATIC RAM 512K-WORD BY 16-BIT EXTENDED TEMPERATURE OPERATION

NEC => Renesas Technology 

 Pin Configuration (Marking Side)

/xxx indicates active low signal.

48-pin PLASTIC TSOP (I) (12x18) (Normal bent)

[ µPD448012GY-BxxX-MJH ]

[ µPD448012GY-CxxX-MJH ]

A15

1

A14

2

A13

3

A12

4

A11

5

A10

6

A9

7

A8

8

NC

9

NC

10

/WE

11

CE2

12

NC

13

/UB

14

/LB

15

A18

16

A17

17

A7

18

A6

19

A5

20

A4

21

A3

22

A2

23

A1

24

µPD448012-X

48

A16

47

NC

46

GND

45

I/O16

44

I/O8

43

I/O15

42

I/O7

41

I/O14

40

I/O6

39

I/O13

38

I/O5

37

VCC

36

I/O12

35

I/O4

34

I/O11

33

I/O3

32

I/O10

31

I/O2

30

I/O9

29

I/O1

28

/OE

27

GND

26

/CE1

25

A0

A0 - A18 : Address inputs

I/O1 - I/O16 : Data inputs / outputs

/CE1, CE2 : Chip Enable 1, 2

/WE

: Write Enable

/OE

: Output Enable

/LB, /UB : Byte data select

VCC

: Power supply

GND

: Ground

NC

: No Connection

Remark Refer to Package Drawing for the 1-pin index mark.

Data Sheet M14466EJ5V0DS

3

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