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FO-4500H
IC1, 5: VHi27C04010Ti (27C040)
(TOP VIEW)
VPP
1
32
VCC
A16
2
31
PGM
A15
3
30
NC
A12
4
29
A14
A7
28
A13
5
A6
6
27
A8
A5
7
26
A9
A4
8
25
A11
A3
9
24
G
A2
10
23
A10
A1
11
22
E
A0
12
21
DQ8
DQ1
13
20
DQ7
DQ2
14
19
DQ6
DQ3
15
18
DQ5
GND
16
17
DQ4
IC3, 8: VHiM5255CF70L (M5M5255CFP-70LL)
(TOP VIEW)
32
VCC
N.C
1
N.C
2
31
A15
A14
3
30
CE2
A12
4
29
WE
A7
5
28
A13
A6
6
27
A8
A5
7
26
A9
A4
8
25
A11
A3
9
24
OE
A2
10
23
A10
A1
11
22
CE1
A0
12
21
I/O8
I/O1
13
20
I/O7
I/O2
14
19
I/O6
I/O3
15
18
I/O5
GND
16
17 I/O4
Pin name
Signal
A0~A17
Address input
E
Chip enable
G
Output enable
GND
Ground
PGM
Program
DQ1~DQ8
Data output (Program input)
VCC
+5V power
VPP
+12.5V power(*)
(*) Only in the program mode
Pin name
Signal
A0 ~A15
Address input
I/O1 ~ I/O8
Data input/output
CE1, CE2
Chip enable1, 2 input
WE
Write enable input
OE
Output enable input
VCC
+5V power
GND
Ground
N.C
Non connection
IC105: VHiNJU4051M-1 (NJU4051BM)
6
11
Controls
10
9
13
14
15
12
Switches
In/Out
1
5
2
4
IC114, 117: VHiMC74HC74F- (MC74HC74AF)
14
13
12
11
CLR
Q
CK
Q
D
PR
1
2
3
4
8 – 11
Inhibit
A
B
C
X0
X1
15 Common
X
X2
X3
X4
X5
X6
X7
VDD: Pin 16
VSS: Pin 8
VEE: Pin7
10
9
8
INPUT
PR
R
CLK
L
H
PR
D
Q
H
L
CK
L
L
H
H
Q
CLR
H
H
H
H
H:High L:Low X:H or L
5
6
7
Out/In
OUTPUT
D
Q
Q
X
X
H
Q
X
X
L
L
X
X
H*
H*
H
H
L
L
L
H
X
NO Change
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