Datasheet

December 1990 8
Philips Semiconductors Product specification
8-channel analog multiplexer/demultiplexer
with latch
74HC/HCT4351
AC CHARACTERISTICS FOR 74HC
GND = 0 V; t
r
=t
f
= 6 ns; C
L
= 50 pF
SYMBOL PARAMETER
T
amb
(°C)
UNIT
TEST CONDITIONS
74HC
V
CC
(V)
V
EE
(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
14
5
4
4
60
12
10
8
75
15
13
10
90
18
15
12
ns 2.0
4.5
6.0
4.5
0
0
0
−4.5
R
L
= ∞;
C
L
= 50 pF
(see Fig.17)
t
PZH
/ t
PZL
turn “ON” time
E
1
to V
os
85
31
25
28
300
60
51
55
375
75
64
69
450
90
77
83
ns 2.0
4.5
6.0
4.5
0
0
0
−4.5
R
L
=1 kΩ;
C
L
= 50 pF
(see Fig.18)
t
PZH
/ t
PZL
turn “ON” time
E
2
to V
os
85
31
25
25
300
60
51
55
375
75
64
69
450
90
77
83
ns 2.0
4.5
6.0
4.5
0
0
0
−4.5
R
L
=1 kΩ;
C
L
= 50 pF
(see Fig.18)
t
PZH
/ t
PZL
turn “ON” time
LE to V
os
91
33
26
27
300
60
51
55
375
75
64
69
450
90
77
83
ns 2.0
4.5
6.0
4.5
0
0
0
−4.5
R
L
=1 kΩ;
C
L
= 50 pF
(see Fig.18)
t
PZH
/ t
PZL
turn “ON” time
S
n
to V
os
88
32
26
25
300
60
51
50
375
75
64
63
450
90
77
75
ns 2.0
4.5
6.0
4.5
0
0
0
−4.5
R
L
=1 kΩ;
C
L
= 50 pF
(see Fig.18)
t
PHZ
/ t
PLZ
turn “OFF” time
E
1
to V
os
69
25
20
20
250
50
43
40
315
63
54
50
375
75
64
60
ns 2.0
4.5
6.0
4.5
0
0
0
−4.5
R
L
=1 kΩ;
C
L
= 50 pF
(see Fig.18)
t
PHZ
/ t
PLZ
turn “OFF” time
E
2
to V
os
72
26
21
19
250
50
43
40
315
63
54
50
375
75
64
60
ns 2.0
4.5
6.0
4.5
0
0
0
−4.5
R
L
=1 kΩ;
C
L
= 50 pF
(see Fig.18)
t
PHZ
/ t
PLZ
turn “OFF” time
LE to V
os
83
30
24
26
275
55
47
45
345
69
59
56
415
83
71
68
ns 2.0
4.5
6.0
4.5
0
0
0
−4.5
R
L
=1 kΩ;
C
L
= 50 pF
(see Fig.18)
t
PHZ
/ t
PLZ
turn “OFF” time
S
n
to V
os
80
29
23
24
275
55
47
48
345
69
59
60
415
83
71
72
ns 2.0
4.5
6.0
4.5
0
0
0
−4.5
R
L
=1 kΩ;
C
L
= 50 pF
(see Fig.18)