HD74AC74 데이터 시트보기 (PDF) - Hitachi -> Renesas Electronics
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HD74AC74 Datasheet PDF : 10 Pages
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Truth Table (Each Half)
Inputs
SD
CD
L
H
CP
D
X
X
H
L
X
X
L
L
X
X
H
H
H
H
H
L
H
H
:
L
:
X
:
:
Q0 (Q0) :
H
L
X
High Voltage Level
Low Voltage Level
Immaterial
Low-to-High Clock Transition
Previous Q (Q) before Low-to-High Transition of Clock
Outputs
Q
H
L
H
H
L
Q0
HD74AC74
Q
L
H
H
L
H
Q0
Logic Diagram
SD
D
Q
CP
Q
CD
Please note that this diagram is provised only for the understanding of logic operations and should not be
used to estimate propagation delays.
DC Characteristics (unless otherwise specified)
Item
Symbol Max
Unit
Maximum quiescent supply current ICC
40
µA
Maximum quiescent supply current ICC
4.0
µA
Condition
VIN = VCC or ground, VCC = 5.5 V,
Ta = Worst case
VIN = VCC or ground, VCC = 5.5 V,
Ta = 25°C
3
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