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Pioneer MAC-V700 Service Manual page 88

Dvd-rom auto changer

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MAC-V700

TC551664BJ-15 (IC105: DECB BOARD ASSY)

CMOS RAM

Block Diagram

I/O1

I/O2

I/O3

I/O4

I/O5

I/O6

I/O7

I/O8

I/O9

I/O10

I/O11

I/O12

I/O13

I/O14

I/O15

I/O16

Pin Function

No. Pin Name

1

A4

I

I

Address Input

5

A0

6

CE

Chip Enable

7

I/O1

I

I

Data Input/Output

10

I/O10

11

VDD

+5V Power-Supply

12

GND

Ground

13

I/O5

I

I

Data Input/Output

16

I/O8

17

WE

Write Enable

18

A15

I

I

Address Input

21

A12

22

N.C

88

A10

A9

A8

A7

A6

A5

A4

A3

Clock Generator

WE

OE

UB

LB

CE

Description

Memory Cell

256 x 256 x 16

(1,048,576)

CE

Sense

Amplifer

Curam Decoder

Curam Address

CE

Buffer

CE

No. Pin Name

23

N.C

24

A11

I

I

Address Input

27

A10

28

N.C

29

I/O9

I

I

Address Input

32

I/O12

33

VDD

+5V Power-Supply

34

GND

Ground

35

I/O13

I

I

Address Input

38

I/O16

39

LB

Data Bit Control

40

UB

Data Bit Control

41

OE

Output Buffer Control

42

A7

I

I

Address Input

44

A5

Vdd

GND

Description

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