HCS74T Datasheet, PDF (2/3 Pages) Intersil Corporation – Radiation Hardened Dual-D Flip-Flop with Set and Reset

Functional Diagram
S
4(10)
CL
D
P
N
2(12) CL
R
1(13)
CP
3(11)
CL
HCS74T
CL
P
N
CL
CL
P
N
CL
CL
CL
P
N
CL
Q
6(8)
Q
5(9)
INPUTS
TRUTH TABLE
OUTPUTS
SET
RESET
CP
D
Q
Q
L
H
X
X
H
L
H
L
X
X
L
H
L
L
X
X
H†
H†
H
H
H
H
L
H
H
L
L
H
H
H
L
X
Q0
Q0
NOTE: L = Logic Level Low, H = Logic Level High, X = Don’t Care
= Transition from Low to High Level
Q0 = The level of Q before the indicated input conditions were established.
† This configuration is non-stable, that is, it will not persist when set and reset inputs return to their inactive (High) level.
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