Datasheet

September 1993 11
Philips Semiconductors Product specification
16-channel analog
multiplexer/demultiplexer
74HC/HCT4067
AC CHARACTERISTICS FOR 74HCT
GND = 0 V; t
r
=t
f
= 6 ns
Note
1. Due to higher Z terminal capacitance (16 switches versus 1) the delay figures to the Z terminal are higher than those
to the Y terminal.
SYMBOL PARAMETER
T
amb
(°C)
UNIT
TEST CONDITIONS
74HCT
V
CC
(V)
OTHER
+25 −40 to +85 −40 to +125
min. typ. max. min. max. min. max.
t
PHL
/ t
PLH
propagation delay
V
is
to V
os
;
Y
n
to Z
9 15 19 22 ns 4.5
R
L
= ∞;
C
L
= 50 pF
(see Fig.16)
t
PHL
/ t
PLH
propagation delay
V
is
to V
os
;
Z to Y
n
6 12 15 18 ns 4.5
t
PHZ
/ t
PLZ
turn-off time
E to Y
n
26 55 69 83 ns 4.5
R
L
= 1 kΩ;
C
L
= 50 pF
(see Fig.17)
t
PHZ
/ t
PLZ
turn-off time
S
n
to Y
n
31 55 69 83 ns 4.5
t
PHZ
/ t
PLZ
turn-off time
E to Z
30 60 75 90 ns 4.5
t
PHZ
/ t
PLZ
turn-off time
S
n
to Z
35 60 75 90 ns 4.5
t
PZH
/ t
PZL
turn-on time
E to Y
n
32 60 75 90 ns 4.5
t
PZH
/ t
PZL
turn-on time
S
n
to Y
n
35 60 75 90 ns 4.5
t
PZH
/ t
PZL
turn-on time
E to Z
38 65 81 98 ns 4.5
t
PZH
/ t
PZL
turn-on time
S
n
to Z
38 65 81 98 ns 4.5