NXP Semiconductors
74HC74; 74HCT74
Dual D-type flip-flop with set and reset; positive edge-trigger
V
I
nCP input
GND
t
rec
V
I
nSD input
GND
t
W
V
I
nRD input
GND
t
PLH
V
OH
nQ output
V
OL
V
OH
nQ output
V
OL
t
PHL
t
PLH
mna423
V
M
V
M
t
W
V
M
t
PHL
V
M
V
M
Measurement points are given in
V
OL
and V
OH
are typical voltage output levels that occur with the output load.
Fig 8.
Table 9.
Type
74HC74
74HCT74
Set and reset propogation delays, pulse widths and recovery time
Measurement points
Input
V
M
0.5V
CC
1.3 V
Output
V
M
0.5V
CC
1.3 V
74HC_HCT74
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© NXP B.V. 2012. All rights reserved.
Product data sheet
Rev. 4 — 27 August 2012
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