MB89925 데이터 시트보기 (PDF) - Fujitsu
부품명
상세내역
제조사
MB89925 Datasheet PDF : 46 Pages
| |||
MB89920 Series
• External EPROM pins (the MB89PV920 only)
Pin no.
82
83
84
85
86
87
88
89
90
91
93
94
95
96
98
99
100
101
102
103
104
105
107
108
109
110
111
112
81
92
97
106
Pin name
A15
A12
A7
A6
A5
A4
A3
A2
A1
A0
O1
O2
O3
VSS
O4
O5
O6
O7
O8
CE
A10
OE/VPP
A11
A9
A8
A13
A14
VCC
N.C.
I/O
Function
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.
9
Share Link: 