MB89146V1 データシートの表示（PDF） - Fujitsu
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MB89146V1 Datasheet PDF : 50 Pages
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MB89140 Series
• External EPROM pins (MB89PV140 only)
Pin no.
SDIP*3
QFP*1
Pin name
I/O
MDIP*4
MQFP*2
65
66
A15/VPP
O
66
67
A12
O
67
68
A7
68
69
A6
69
70
A5
70
71
A4
71
72
A3
72
73
A2
73
74
A1
74
75
A0
75
77
O1
I
76
78
O2
77
79
O3
78
80
VSS
O
79
82
O4
I
80
83
O5
81
84
O6
82
85
O7
83
86
O8
84
87
CE
O
85
88
A10
O
86
89
OE
O
87
91
A11
O
88
92
A9
89
93
A8
90
94
A13
91
95
A14
92
96
VCC
O
—
65
N.C.
—
76
81
90
*1: DIP-64P-M01
*2: MDP-64C-P02
*3: FPT-64P-M06
*4: MQP-64C-P01
Function
“H” level output pin
Address output pins
Data input pins
Power supply (GND) pin
Data input pins
ROM chip enable pin
Outputs “H” during standby.
Address output pin
ROM output enable pin
Outputs “L” at all times.
Address output pins
EPROM power supply pin
Internally connected pins
Be sure to leave them open.
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