Service manual

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