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54AC74 Datasheet(PDF) 2 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part No. 54AC74
Description  Dual D-Type Positive Edge-Triggered Flip-Flop
Download  8 Pages
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Maker  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
Logo NSC - National Semiconductor (TI)

54AC74 Datasheet(HTML) 2 Page - National Semiconductor (TI)

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Connection Diagrams
Pin Assignment for DIP
and Flatpak
Pin Assignment for LCC
10026604
10026605
Truth Table
(Each Half)
Inputs
Outputs
S
D
C
D
CP
D
Q
Q
LH
X
X
HL
HL
X
X
LH
LL
X
X
H
H
HH
N
HH
L
HH
N
LL
H
HH
L
X
Q
0
Q
0
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
N = LOW-to-HIGH Clock Transition
Q0(Q0) = Previous Q(Q) before LOW-to-HIGH Transition of Clock
Logic Diagram
10026606
Please note that this diagram is provided only for the understanding of logic operations and should not be used to estimate propagation delays.
www.national.com
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