74HC4051; 74HCT4051
NXP Semiconductors
8-channel analog multiplexer/demultiplexer
V
I
V
M
E, Sn inputs
0 V
t
t
PZL
PLZ
50 %
V
output
output
os
10 %
t
t
PHZ
PZH
90 %
50 %
V
os
switch ON
switch OFF
switch ON
001aad556
For 74HC4051: VM = 0.5 VCC
.
For 74HCT4051: VM = 1.3 V.
Fig 14. Turn-on and turn-off times
t
W
V
I
90 %
negative
pulse
V
V
V
M
M
10 %
0 V
t
t
r
f
t
t
f
r
V
I
90 %
positive
pulse
V
M
M
10 %
0 V
t
W
V
V
V
CC
is
CC
V
V
os
I
S1
R
L
PULSE
GENERATOR
open
DUT
R
T
C
L
GND
V
EE
001aae382
Definitions for test circuit; see Table 11:
RT = termination resistance should be equal to the output impedance Zo of the pulse generator.
CL = load capacitance including jig and probe capacitance.
RL = load resistance.
S1 = Test selection switch.
Fig 15. Test circuit for measuring AC performance
74HC_HCT4051
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© NXP B.V. 2012. All rights reserved.
Product data sheet
Rev. 7 — 19 July 2012
19 of 31
NXP [ NXP ]
