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74F382 查看數據表（PDF） - Fairchild Semiconductor

零件编号
产品描述 (功能)
生产厂家
74F382
4-Bit Arithmetic Logic Unit
Fairchild
Fairchild Semiconductor 
74F382 Datasheet PDF : 8 Pages
1 2 3 4 5 6 7 8
Truth Table
Inputs
Outputs
Function
S0
S1
S2
Cn
An
Bn
F0
F1
F2
F3 OVR
Cn + 4
CLEAR
L
L
L
L
X
X
L
L
L
L
H
H
H
X
X
L
L
L
L
H
H
B MINUS A
H
L
L
L
L
L
H
H
H
H
L
L
L
L
H
L
H
H
H
L
H
L
H
L
L
L
L
L
L
L
L
H
H
H
H
H
H
L
L
H
L
L
L
L
L
L
L
H
H
L
H
H
H
H
H
L
H
H
H
L
H
L
L
L
L
L
H
H
H
L
L
L
L
L
H
A MINUS B
L
H
L
L
L
L
H
H
H
H
L
L
L
L
H
L
L
L
L
L
L
L
H
L
L
H
H
H
L
H
L
H
H
H
H
H
H
L
L
H
L
L
L
L
L
L
L
H
H
L
H
H
L
L
L
L
L
H
H
L
H
H
H
H
L
H
H
H
H
L
L
L
L
L
H
A PLUS B
H
H
L
L
L
L
L
L
L
L
L
L
L
L
H
H
H
H
H
L
L
L
H
L
H
H
H
H
L
L
L
H
H
L
H
H
H
L
H
H
L
L
H
L
L
L
L
L
H
L
H
L
L
L
L
L
H
H
H
L
L
L
L
L
L
H
H
H
H
H
H
H
H
L
H
A⊕B
L
L
H
X
L
L
L
L
L
L
L
L
X
L
H
H
H
H
H
L
L
L
H
L
H
H
H
H
L
L
X
H
H
L
L
L
L
H
H
H
H
L
H
H
H
H
H
H
A+B
H
L
H
X
L
L
L
L
L
L
L
L
X
L
H
H
H
H
H
L
L
X
H
L
H
H
H
H
L
L
L
H
H
H
H
H
H
L
L
H
H
H
H
H
H
H
H
H
AB
L
H
H
X
L
L
L
L
L
L
H
H
X
L
H
L
L
L
L
L
L
X
H
L
L
L
L
L
H
H
L
H
H
H
H
H
H
L
L
H
H
H
H
H
H
H
H
H
PRESET
H
H
H
X
L
L
H
H
H
H
L
L
X
L
H
H
H
H
H
L
L
X
H
L
H
H
H
H
L
L
L
H
H
H
H
H
H
L
L
H
H
H
H
H
H
H
H
H
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
3
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