MB89180L Ver la hoja de datos (PDF) - Fujitsu
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MB89180L Datasheet PDF : 48 Pages
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MB89180L Series
• External EPROM pins (MB89PV180 only)
Pin no.
Pin name
I/O
Function
66
VPP
O
“H” level output pin
67
A12
68
A7
69
A6
70
A5
71
A4
O
Address output pins
72
A3
73
A2
74
A1
75
A0
77
O1
78
O2
79
O3
I
Data input pins
80
Vss
O
Power supply (GND) pin
82
O4
83
O5
84
O6
85
O7
86
O8
I
Data input pins
87
CE
O
ROM chip enable pin
Outputs “H” during standby.
88
A10
O
Address output pin
89
OE
O
ROM output enable pin
Outputs “L” at all times.
91
A11
92
A9
O
93
A8
Address output pins
94
A13
O
95
A14
O
96
Vcc
O
EPROM power supply pin
65
76
81
N.C.
—
Internally connected pins
Be sure to leave them open.
90
12
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