JVC XV-M565BK Service Manual page 66

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XV-M565BK/M567GD
MSM531622F75G-X (IC402) : 1M x 16bit or 2M x 8bit ROM
1.Terminal layout
NC 1
2
A18
3
A17
4
A7
5
A6
6
A5
7
A4
8
A3
9
A2
10
A1
11
A0
12
CE
13
V
SS
OE
14
15
D0
D8
16
17
D1
18
D9
19
D2
20
D10
21
D3
22
D11
44 PIN SOP
2.Block diagram
V
CC
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
1-66
3.Pin function
44
NC
43
A19
42
A8
41
A9
40
A10
39
A11
38
A12
37
A13
36
A14
35
A15
34
A16
33
BYTE
32
V
SS
31
D15/A-1
30
D7
29
D14
28
D6
27
D13
26
D5
25
D12
24
D4
23
V
CC
V
SS
A-1
Output Switching Between 8 and 16 bits
CE
CE
OE
X
Decoder
Address
Buffer
Y
Decoder
Pin Name
D15/A-1
Data output / address input
A0 to A19
Address input
D0 to D15
Data output
Chip enable
CE
OE
Output enable
Mode switch
BYTE
V
, V
Power supply
CC
SS
NC
No Connect
BYTE
OE
Control
Memory Cell
Matrix
1,048,576-Word x 16 or 2,097,152 x 8
Multiplexer
Output Buffer
D0
D2
D4
D6
D8
D1
D3
D5
D7
D9
Function
D10
D12
D14
D11
D13
D15

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