Nexperia
HEF40373B
Octal transparent latch with 3-state outputs
aaa-028691
V
M
Dn input
E input
V
M
V
M
V
M
V
M
t
su
t
h
V
M
t
su
t
h
Measurement points are given in Table 9.
Figure 12. Data set-up and hold times for Dn input to E input
Table 9. Measurement points
Supply voltage Input Output
V
DD
V
M
V
M
V
X
V
Y
5 V to 15 V 0.5V
DD
0.5V
DD
V
OL
+ 0.1V
DD
V
OH
− 0.1V
DD
V
M
V
M
t
W
t
W
10 %
90 %
10 %
90 %
0 V
V
I
V
I
negative
pulse
positive
pulse
0 V
V
M
V
M
90 %
10 %
90 %
10 %
t
f
t
r
t
r
t
f
001aaj781
a. Input waveform
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V
EXT
V
DD
V
I
V
O
DUT
C
L
R
T
R
L
G
b. Test circuit
Test and measurement data is given in Table 10.
Definitions test circuit:
R
L
= Load resistance.
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.
Figure 13. Test circuit for measuring switching times
Table 10. Test data
Input Load V
EXT
Supply
voltage
V
I
t
r
, t
f
C
L
R
L
t
PLH
, t
PHL
t
PHZ
, t
PZH
t
PLZ
, t
PZL
5 V to 15 V V
DD
≤ 20 ns 50 pF 1 kΩ open V
SS
V
DD
HEF40373B All information provided in this document is subject to legal disclaimers. © Nexperia B.V. 2018. All rights reserved.
Product data sheet Rev. 4 — 29 June 2018
10 / 15
