參數(shù)資料
型號: MB89997PF
廠商: FUJITSU LTD
元件分類: 微控制器/微處理器
英文描述: CONV DC-DC 24V IN 5/3.3V OUT 40W
中文描述: 8-BIT, MROM, 4.2 MHz, MICROCONTROLLER, PDSO28
封裝: PLASTIC, SOP-28
文件頁數(shù): 9/42頁
文件大?。?/td> 551K
代理商: MB89997PF
9
MB89990 Series
External EPROM pins (MB89PV190 only)
Pin no.
Pin name
I/O
Function
49
V
PP
O
“H” level output pin
79
78
50
75
71
76
77
51
52
53
54
55
58
59
60
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
O
Address output pins
61
62
63
65
66
67
68
69
O1
O2
O3
O4
O5
O6
O7
O8
I
Data input pins
70
CE
O
ROM chip enable pin
Outputs “H” during standby.
73
OE
O
ROM output enable pin
Outputs “L” at all times.
80
V
CC
O
EPROM power pin
64
V
SS
O
Power supply (GND) pin
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