MB89180 データシートの表示（PDF） - Fujitsu
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コンポーネント説明
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MB89180 Datasheet PDF : 50 Pages
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MB89180 Series
• External EPROM pins (MB89PV180 only)
Pin no.
66
67
68
69
70
71
72
73
74
75
77
78
79
80
82
83
84
85
86
87
88
89
91
92
93
94
95
96
65
76
81
90
Pin name
VPP
A12
A7
A6
A5
A4
A3
A2
A1
A0
O1
O2
O3
VSS
O4
O5
O6
O7
O8
CE
A10
OE
A11
A9
A8
A13
A14
VCC
N.C.
I/O
Function
O
“H” level output pin
O
Address output pins
I
Data input pins
O
Power supply (GND) pin
I
Data input pins
O
ROM chip enable pin
Outputs “H” during standby.
O
Address output pin
O
ROM output enable pin
Outputs “L” at all times.
O
Address output pins
O
O
O
EPROM power supply pin
—
Internally connected pins
Be sure to leave them open.
11
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