Nexperia
74HC374; 74HCT374
Octal D-type flip-flop; positive edge-trigger; 3-state
74HC_HCT374 All information provided in this document is subject to legal disclaimers. © Nexperia B.V. 2018. All rights reserved.
Product data sheet Rev. 3 — 20 February 2018
10 / 17
V
M
V
M
t
W
t
W
10 %
90 %
0 V
V
I
V
I
negative
pulse
positive
pulse
0 V
V
M
V
M
90 %
10 %
t
f
t
r
t
r
t
f
001aad983
DUT
V
CC
V
CC
V
I
V
O
R
T
R
L
S1
C
L
open
G
Test data is given in Table 9.
Definitions:
R
T
= Termination resistance should be equal to output impedance Z
o
of the pulse generator
C
L
= Load capacitance including jig and probe capacitance
R
L
= Load resistance.
S1 = Test selection switch
Figure 9. Test circuit for measuring switching times
Table 9. Test data
Input Load S1 positionType
V
I
t
r
, t
f
C
L
R
L
t
PHL
, t
PLH
t
PZH
, t
PHZ
t
PZL
, t
PLZ
74HC374 GND to V
CC
6 ns 15 pF, 50 pF 1 kΩ open GND V
CC
74HCT374 GND to 3 V 6 ns 15 pF, 50 pF 1 kΩ open GND V
CC
