Datasheet

’LS158 Switching Characteristics
at V
CC
e
5V and T
A
e
25
§
C (See Section 1 for Test Waveforms and Output Load)
From (Input)
R
L
e
2kX
Symbol Parameter
To (Output)
C
L
e
15 pF C
L
e
50 pF Units
Min Max Min Max
t
PLH
Propagation Delay Time Data
12 18 ns
Low to High Level Output to Y
t
PHL
Propagation Delay Time Data
12 21 ns
High to Low Level Output to Y
t
PLH
Propagation Delay Time Strobe
17 23 ns
Low to High Level Output to Y
t
PHL
Propagation Delay Time Strobe
18 28 ns
High to Low Level Output to Y
t
PLH
Propagation Delay Time Select
20 24 ns
Low to High Level Output to Y
t
PHL
Propagation Delay Time Select
24 36 ns
High to Low Level Output to Y
Logic Diagrams
LS157
TL/F/6396–3
LS158
TL/F/6396–4
4
Obsolete