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DM74S138 View Datasheet(PDF) - Fairchild Semiconductor

Part Name
Description
Manufacturer
DM74S138
Decoder/Demultiplexer
Fairchild
Fairchild Semiconductor 
DM74S138 Datasheet PDF : 5 Pages
1 2 3 4 5
DM74S138 Switching Characteristics
at VCC = 5V and TA = 25°C
Symbol
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
Parameter
Propagation Delay Time
LOW-to-HIGH Level Output
Propagation Delay Time
HIGH-to-LOW Level Output
Propagation Delay Time
LOW-to-HIGH Level Output
Propagation Delay Time
HIGH-to-LOW Level Output
Propagation Delay Time
LOW-to-HIGH Level Output
Propagation Delay Time
HIGH-to-LOW Level Output
Propagation Delay Time
LOW-to-HIGH Level Output
Propagation Delay Time
HIGH-to-LOW Level Output
From (Input)
To (Output)
Select to Output
Select to Output
Select to Output
Select to Output
Enable to Output
Enable to Output
Enable to Output
Enable to Output
Levels
of Delay
2
2
3
3
2
2
3
3
DM74S139 Switching Characteristics
at VCC = 5V and TA = 25°C
Symbol
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
Parameter
Propagation Delay Time
LOW-to-HIGH Level Output
Propagation Delay Time
HIGH-to-LOW Level Output
Propagation Delay Time
LOW-to-HIGH Level Output
Propagation Delay Time
HIGH-to-LOW Level Output
Propagation Delay Time
LOW-to-HIGH Level Output
Propagation Delay Time
HIGH-to-LOW Level Output
From (Input)
To (Output)
Select to Output
Select to Output
Select to Output
Select to Output
Enable to Output
Enable to Output
Levels
of Delay
2
2
3
3
2
2
RL = 280Ω
CL = 15 pF
CL = 50 pF
Min
Max
Min
Max
7
9
10.5
14
12
14
12
15
8
10
11
14
11
13
11
14
Units
ns
ns
ns
ns
ns
ns
ns
ns
RL = 280Ω
CL = 15 pF
CL = 50 pF
Min
Max
Min
Max
7.5
10
10
13
12
13
12
15
8
10
10
13
Units
ns
ns
ns
ns
ns
ns
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