Casio FE-700 MEX

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12. TL431CLPB (IC1)
13. (IC14)
A0-A16
Q0-Q7
E
G
P
V
PP
Vcc
Vss
NC
Address Inputs
Data Outputs
Chip Enable
Output Enable
Program
Program Supply
Supply Voltage
Ground
Not Connected Internaly
PP
A16
A15
A12
A7
A6
A5
A4
A3
A2
A1
A0
Q0
Q1
Q2
SS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
V
V
CC
P
NC
A14
A13
A8
A9
A11
G
A10
E
Q7
Q6
Q5
Q4
Q3
V
M27C1001
A100711
(R)
Vref
Vref = 2.5V
Anode(A)
Cathode(K)
+
-
TL431C
TL/xxxx