Philips Semiconductors
Product specification
Quad 2-input multiplexer
74HC/HCT157
DC CHARACTERISTICS FOR 74HC
For the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications”.
Output capability: standard
ICC category: MSI
AC CHARACTERISTICS FOR 74HC
GND = 0 V; tr = tf = 6 ns; CL = 50 pF
T
amb (°C)
74HC
TEST CONDITIONS
SYMBOL PARAMETER
UNIT
VCC
WAVEFORMS
(V)
+25
typ.
−40 to +85
−40 to +125
min.
max.
min.
max.
min.
max.
tPHL/ tPLH propagation delay
nI0 to nY;
36
13
10
125
25
21
155
31
26
190
38
32
ns
2.0
4.5
6.0
Fig.7
nI1 to nY
t
t
PHL/ tPLH propagation delay
E to nY
39
14
11
115
23
20
145
29
25
175
35
30
ns
ns
ns
2.0
4.5
6.0
Fig.6
PHL/ tPLH propagation delay
S to nY
41
15
12
125
25
21
155
31
26
190
38
32
2.0
4.5
6.0
Fig.7
tTHL/ tTLH output transition
time
19
7
6
75
15
13
95
19
16
110
22
19
2.0
4.5
6.0
Fig.6 and Fig.7
December 1990
5
NXP [ NXP ]
