74HC158 Philips, 74HC158 Datasheet - Page 6

• Manufacturer Part Number: 74HC158
• Description: Quad 2-input multiplexer inverting
• Manufacturer: Philips

Philips Semiconductors
DC CHARACTERISTICS FOR 74HCT
For the DC characteristics see
Output capability: standard
I
Note to HCT types
The value of additional quiescent supply current ( I
determine I
AC CHARACTERISTICS FOR 74HCT
GND = 0 V; t
December 1990
CC
INPUT
nI
nI
S
E
SYMBOL PARAMETER
t
t
t
t
PHL
PHL
PHL
THL
Quad 2-input multiplexer; inverting
0
1
category: MSI
/ t
/ t
/ t
/ t
TLH
PLH
PLH
PLH
CC
UNIT LOAD COEFFICIENT
0.40
0.40
2.80
0.60
propagation delay
propagation delay
propagation delay
output transition
time
r
= t
nI
E to nY
S to nY
per input, multiply this value by the unit load coefficient shown in the table below.
0
f
, nI
= 6 ns; C
1
to nY
L
= 50 pF
“74HC/HCT/HCU/HCMOS Logic Family Specifications”
min.
16
19
19
7
typ.
25
30
35
35
15
max.
CC
) for a unit load of 1 is given in the family specifications. To
T
74HCT
amb
min.
6
40 to 85
( C)
38
44
44
19
max.
min.
40 to 125
45
53
53
22
max.
.
ns
ns
ns
ns
UNIT
74HC/HCT158
4.5
4.5
4.5
4.5
V
TEST CONDITIONS
(V)
Product specification
CC
WAVEFORMS
Fig.7
Fig.6
Fig.7
Figs 6 and 7