JVC MX-DVB10 Service Manual page 67

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MR27V1602EM (IC402) : 16M ROM
1. Pin layout
2. Pin function
Pin No
.
Symbol
1
NC
2
A18
3
A17
4
A7
5
A6
6
A5
7
A4
8
A3
9
A2
10
A1
11
A0
12
CE
13
Vss
14
OE
15
D0
16
D8
17
D1
18
D9
19
D2
20
D10
21
D3
22
D11
NC
1
NC
44
2
43
A18
A19
3
A8
42
A17
A7
4
41
A9
A10
A6
5
40
A5
6
39
A11
38
A4
7
A12
A13
8
A3
37
36
A14
A2
9
35
A15
A1
10
A16
A0
11
34
33
CE
12
BYTE/Vpp
Vss
Vss
32
13
14
31
D15/A-1
OE
30
D7
D0
15
29
D14
D8
16
D1
17
28
D6
D9
18
27
D13
D2
19
26
D5
D10
20
25
D12
21
D3
24
D4
D11
23
22
Vcc
Function
I/O
Address input
I
I
Address input
Address input
I
Address input
I
Address input
I
Address input
I
I
Address input
I
Address input
I
Address input
Address input
I
I
Chip enable
-
Connect to GND
O
Output enable
Data output
O
O
Data output
Data output
O
O
Data output
O
Data output
O
Data output
O
Data output
Data output
O
Pin No
.
Symbol
I/O
23
Vcc
24
D4
25
D12
26
D5
27
D13
28
D6
29
D14
30
D7
31
D15/A-1
I/O
32
Vss
33
BYTE/Vpp
34
A16
35
A15
36
A14
37
A13
38
A12
39
A11
40
A10
41
A9
42
A8
43
A19
44
NC
MX-DVB10
Function
-
Power supply
O
Data output
Data output
O
O
Data output
Data output
O
Data output
O
O
Data output
Data output
O
Data output/address input
Connect to GND
-
Mode switch
I
I
Address input
Address input
I
I
Address input
Address input
I
I
Address input
I
Address input
I
Address input
Address input
I
I
Address input
Address input
I
1-67

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