MB89935B Ver la hoja de datos (PDF) - Fujitsu
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MB89935B Datasheet PDF : 42 Pages
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MB89930A Series
s EXTERNAL EPROM PIN DESCRIPTION (MB89PV930A only)
Pin No.
49
50
51
52
53
54
55
58
59
60
61
62
63
64
65
66
67
68
69
70
71
73
75
76
77
78
79
80
56
57
72
74
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
EPROM power supply pin
Internally connected pins
Be sure to leave them open.
8
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