74HC123A データシートの表示（PDF） - Fairchild Semiconductor
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74HC123A Datasheet PDF : 9 Pages
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Truth Table
H = HIGH Level
L = LOW Level
↑ = Transition from LOW-to-HIGH
↓ = Transition from HIGH-to-LOW
= One HIGH Level Pulse
= One LOW Level Pulse
X = Irrelevant
Logic Diagram
Inputs
Clear A B
L
XX
X
HX
X
XL
H
L↑
H
↓H
↑
LH
Outputs
Q
Q
L
H
L
H
L
H
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