*PD5740A
30
31
50
51
80
PAL007A
sw_vcc
+ -
1
2
3
4
*PD8091A
44
43
42
41
40
1
2
3
4
5
1
100
81
+ -
+ -
+ -
9
5
6
7
8
10 11
12 13
39
38
37
36
35
D15/A-1 : Data output / Address input
A0-19 : Address input
D0-14 : Data output
ce : Chip enable
oe : Output enable
BYTE : Mode switch
VCC : Power supply
NC : Not used
6
7
8
9
10
IC's marked by * are MOS type.
Be careful in handling them because they are very
liable to be damaged by electrostatic induction.
amp_vcc
+ -
+ -
16 17
14 15
18 19
34
33
32
31
30
VSS : GND
11
12
13
14
15
DEH-P8400MP
+ -
+ -
sw_vcc
stby
24 25
20 21
22 23
29
28
27
26
25
16
17
18
19
20
24
23
21
22
71