Datasheet

December 1990 5
Philips Semiconductors Product specification
8-input multiplexer 74HC/HCT151
DC CHARACTERISTICS FOR 74HC
For the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications” .
Output capability: standard
I
CC
category: MSI
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)
WAVEFORMS
+25 −40 to +85 −40 to +125
min. typ. max. min. max. min. max.
t
PHL
/ t
PLH
propagation delay
I
n
to Y
52
19
15
170
34
29
215
43
37
255
51
43
ns
2.0
4.5
6.0
Fig.6
t
PHL
/ t
PLH
propagation delay
I
n
to Y
58
21
17
185
37
31
230
46
39
280
56
48
ns
2.0
4.5
6.0
Fig.6
t
PHL
/ t
PLH
propagation delay
S
n
to Y
61
22
18
185
37
31
230
46
39
280
56
48
ns
2.0
4.5
6.0
Fig.7
t
PHL
/ t
PLH
propagation delay
S
n
to Y
61
22
18
205
41
35
255
51
43
310
62
53
ns
2.0
4.5
6.0
Fig.7
t
PHL
/ t
PLH
propagation delay
E to Y
41
15
12
125
25
21
155
31
26
190
38
32
ns
2.0
4.5
6.0
Fig.7
t
PHL
/ t
PLH
propagation delay
E to Y
47
17
14
145
29
25
180
36
31
220
44
38
ns
2.0
4.5
6.0
Fig.7
t
THL
/ t
TLH
output transition time
19
7
6
75
15
13
95
19
16
110
22
19
ns
2.0
4.5
6.0
Figs 6 and 7