MB89130 データシートの表示（PDF） - Fujitsu
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MB89130 Datasheet PDF : 54 Pages
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MB89130/130A Series
• External EPROM pins (MB89PV130A only)
Pin no.
Pin name
I/O
Function
49
VPP
O
“H” level output pin
50
A12
51
A7
52
A6
53
A5
54
A4
O
Address output pins
55
A3
58
A2
59
A1
60
A0
61
O1
62
O2
I
Data input pins
63
O3
64
VSS
O
Power supply (GND) pin
65
O4
66
O5
67
O6
I
Data input pins
68
O7
69
O8
70
CE
O
ROM chip enable pin
Outputs “H” during standby.
71
A10
O
Address output pin
73
OE
O
ROM output enable pin
Outputs “L” at all times.
75
A11
76
A9
77
A8
O
Address output pins
78
A13
79
A14
80
VCC
O
EPROM power supply pin
56
57
72
N.C.
Internally connected pins
Be sure to leave them open.
74
11
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