Data Sheet
Nexperia
74HC4051; 74HCT4051
8-channel analog multiplexer/demultiplexer
74HC_HCT4051 All information provided in this document is subject to legal disclaimers. © Nexperia B.V. 2017. All rights reserved.
Product data sheet Rev. 9 — 26 September 2017
21 / 32
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
001aae382
V
CC
V
CC
open
GND
V
EE
V
I
V
os
DUT
C
L
R
T
R
L
S1
PULSE
GENERATOR
V
is
Definitions for test circuit; see Table 11:
R
T
 = termination resistance should be equal to the 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 15.  Test circuit for measuring switching times
Table 11. Test data
Input Load
t
r
, t
f
Test
V
I
V
is
at f
max
other 
[1]
C
L
R
L
S1 position
t
PHL
, t
PLH
[2]
pulse < 2 ns 6 ns 50 pF 1 kΩ open
t
PZH
, t
PHZ
[2]
V
CC
< 2 ns 6 ns 50 pF 1 kΩ V
EE
t
PZL
, t
PLZ
[2]
V
EE
< 2 ns 6 ns 50 pF 1 kΩ V
CC
[1] t
r
 = t
f
 = 6 ns; when measuring f
max
, there is no constraint to t
r
 and t
f
 with 50 % duty factor.
[2] V
I
 values:
For 74HC4051: V
I
 = V
CC
For 74HCT4051: V
I
 = 3 V










