87
DVD-3910
IC61LV25616 (IE: IC402)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
A0
A2
A1
CE
A4
A3
I/O0
I/O1
I/O2
I/O3
I/O4
I/O5
I/O6
I/O7
WE
GND
A6
A7
A8
A9
A5
V
CC
A17
A15
A16
LB
UB
OE
I/O15
I/O14
I/O13
I/O12
I/O11
I/O10
I/O9
I/O8
NC
V
CC
A13
A12
A11
A10
A14
GND
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
25
26
23
24
27
A0~A17
Address Inputs
I/O0-I/O15 Data Inputs/Outputs
CE
Chip Enable Input
OE
Write Enable Input
LB
Lower-byte Control (I/O0-I/O7)
UB
Upper-byte Control (I/O8-I/O15)
No Connection
WE
Output Enable Input
NC
V
CC
Power
GND
Ground
Pin Name
Symbol
Pin Description
DECODER
Block Diagram
A0-A17
VCC
GND
I/O0-I/O7
Lower Byte
I/O8-I/O15
Upper Byte
COLUMN I/O
I/O
DATA
CIRCUIT
CONTROL
CIRCUIT
256K
×
16
MEMORY ARRAY
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