Samsung DVD-909 Service Manual page 21

Reference Information
2-1-9 MIC8 (M27C801 ; 8MB (1M x 8-bit) CMOS EPROM)
OE/VPP
A0-A19
Address
Inputs
TOP VIEW
A19
1
A16
2
A15
3
A12
4
A7
5
A6
6
A5
7
A4
8
A3
9
A2
10
A1
11
A0 12
DQ0 13
DQ1 14
DQ2 15
Vss 16
2-14
BLOCK DIAGRAM
Vcc
Vss
Output Enable
CE
Chip Enable and
Prog Logic
Y
Decoder
X
Decoder
Vcc
32
31 A18
A17
30
A14
29
A13
28
A8
27
A9
26
A11
25
OE/VPP
24
A10
23
CE
22
DQ7
21
DQ6
20
DQ4
19
DQ4
18
DQ3
17
Data Outputs
DQ0-DQ7
Output Buffers
Y
.
. Gating
.
2,097,152-Bit
.
Cell Matrix
.
.
.
NAME
A0-A19
CE
DQ0-DQ7
OE
Vcc
Vss
FUNCTION
Address Inputs
Chip Enable Input
Data Input/Outputs
Output Enable Input
Vcc Syply Voltage
Ground
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