Datasheet
2003 May 16 20
Philips Semiconductors Product speciļ¬cation
Dual 4-channel analog multiplexer,
demultiplexer
74HC4052; 74HCT4052
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MNB059
t
THL
(t
f
)t
TLH
(t
r
)
V
M
t
W
positive
input pulse
negative
input pulse
0 V
amplitude
90%
10%
t
TLH
(t
r
)t
THL
(t
f
)
V
M
t
W
0 V
amplitude
90%
10%
Fig.21 Input pulse definitions.
FAMILY AMPLITUDE V
M
t
r
and t
f
f
max
; PULSE WIDTH OTHER
74HC4052 V
CC
50% <2ns 6ns
74HCT4052 3.0 V 1.3 V <2ns 6ns
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open
switch
V
CC
V
EE
GND
V
CC
V
is
V
I
V
O
MNB058
D.U.T.
C
L
R
T
R
L
PULSE
GENERATOR
Fig.22 Test circuit for measuring AC performance.
TEST SWITCH V
is
t
PZH
V
EE
V
CC
t
PZL
V
CC
V
EE
t
PHZ
V
EE
V
CC
t
PLZ
V
CC
V
EE
other open pulse
Definitions for test circuit:
R
L
= load resistance
C
L
= load capacitance including jig and probe capacitance.
R
T
= termination resistance should be equal to the output impedance Z
O
of the pulse generator.
t
r
=t
f
= 6 ns; when measuring f
max
, there is no constraint to t
r
and t
f
with 50% duty factor.