MB89P657APF-106 查看數據表（PDF） - Fujitsu
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MB89P657APF-106 Datasheet PDF : 52 Pages
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MB89650AR Series
• External EPROM pins (MB89PV650A only)
Pin no.
101
102
103
104
105
106
107
110
111
112
113
114
115
116
117
118
119
120
121
122
123
125
127
128
129
130
131
132
108
109
124
126
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
Address output pin
O
Address output pin
O
EPROM power supply pin
—
Internally connected pins
Be sure to leave them open.
11
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