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DM74AS158 View Datasheet(PDF) - Fairchild Semiconductor

Part Name
Description
Manufacturer
DM74AS158
Fairchild
Fairchild Semiconductor Fairchild
DM74AS158 Datasheet PDF : 7 Pages
1 2 3 4 5 6 7
DM74AS157 Switching Characteristics
over recommended operating free air temperature range
Symbol
Parameter
Conditions
tPLH
Propagation Delay Time,
VCC = 4.5V to 5.5V,
LOW-to-HIGH Level Output
CL = 50 pF,
tPHL
Propagation Delay Time,
RL = 500
HIGH-to-LOW Level Output
From
To
Min
(Input) (Output)
Data
Y
1
Data
Y
1
tPLH
Propagation Delay Time,
LOW-to-HIGH Level Output
STROBE
Y
2
tPHL
Propagation Delay Time,
HIGH-to-LOW Level Output
tPLH
Propagation Delay Time,
LOW-to-HIGH Level Output
tPHL
Propagation Delay Time,
HIGH-to-LOW Level Output
STROBE
Y
2
Select
Y
2
Select
Y
2
DM74AS158 Switching Characteristics
over recommended operating free air temperature range
Symbol
Parameter
Conditions
tPLH
Propagation Delay Time,
VCC = 4.5V to 5.5V,
LOW-to-HIGH Level Output
CL = 50 pF,
tPHL
Propagation Delay Time,
RL = 500
HIGH-to-LOW Level Output
From
To
Min
(Input) (Output)
Data
Y
1
Data
Y
1
tPLH
Propagation Delay Time,
LOW-to-HIGH Level Output
STROBE
Y
2
tPHL
Propagation Delay Time,
HIGH-to-LOW Level Output
tPLH
Propagation Delay Time,
LOW-to-HIGH Level Output
tPHL
Propagation Delay Time,
HIGH-to-LOW Level Output
STROBE
Y
2
Select
Y
2
Select
Y
2
Max
Units
6
ns
5.5
ns
10.5
ns
7.5
ns
11
ns
10
ns
Max
Units
5
ns
4.5
ns
6.5
ns
10
ns
9.5
ns
10.5
ns
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