DM74LS240N 查看數據表（PDF） - Fairchild Semiconductor
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DM74LS240N Datasheet PDF : 7 Pages
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Function Tables
DM74LS240
Inputs
G
A
L
L
L
H
H
X
Output
Y
H
L
Z
L = LOW Logic Level
H = HIGH Logic Level
X = Either LOW or HIGH Logic Level
Z = High Impedance
DM74LS241
Inputs
Outputs
G
G
1A
2A
1Y
2Y
X
L
L
X
L
X
L
H
X
H
X
H
X
X
Z
H
X
X
L
L
H
X
X
H
H
L
X
X
X
Z
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