Datasheet
©1983 Fairchild Semiconductor Corporation www.fairchildsemi.com
MM74HC74A Rev. 1.3.0 5
MM74HC74A — Dual D-Type Flip-Flop with Preset and Clear
AC Electrical Characteristics
V
CC
=
5V, T
A
=
25°C, C
L
=
15pF, t
r
=
t
f
=
6ns
Symbol Parameter Conditions Typ.
Guaranteed
Limit Units
f
MAX
Maximum Operating Frequency 72 30 MHz
t
PHL
, t
PLH
Maximum Propagation,
Delay Clock to Q or Q
10 30 ns
t
PHL
, t
PLH
Maximum Propagation,
Delay Preset or Clear to Q or Q
17 40 ns
t
REM
Minimum Removal Time,
Preset or Clear to Clock
65ns
t
s
Minimum Setup Time, Data to Clock 10 20 ns
t
H
Minimum Hold Time, Clock to Data 0 0 ns
t
W
Minimum Pulse Width Clock, Preset or Clear 8 16 ns