MM74HCT573NX 查看數據表（PDF） - Fairchild Semiconductor
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MM74HCT573NX Datasheet PDF : 8 Pages
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Connection Diagrams
Top View
MM74HCT573
Top View
MM74HCT574
Truth Tables
MM74HCT573
Output
Control
LE
Data
Output
L
H
H
H
L
H
L
L
L
L
X
Q0
H
X
X
Z
H = HIGH Level
L = LOW Level
Q0 = Level of output before steady-state input conditions were established.
Z = High Impedance State
MM74HCT574
Output
Control
LE
Data
Output
L
↑
H
H
L
↑
L
L
L
L
X
Q0
H
X
X
Z
H = HIGH Level
L = LOW Level
Q0 = Level of output before steady-state input conditions were established.
X = Don’t Care
Z = High Impedance State
↑ = Transition from LOW-to-HIGH
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