DM74AS244WM View Datasheet(PDF) - Fairchild Semiconductor
Part Name
Description
Manufacturer
DM74AS244WM Datasheet PDF : 5 Pages
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DM74AS240 Switching Characteristics
over recommended operating free air temperature range
Symbol
Parameter
Conditions
tPLH
Propagation Delay Time
LOW-to-HIGH Level Output
tPHL
Propagation Delay Time
HIGH-to-LOW Level Output
VCC = 4.5V to 5.5V
R1 = R2 = 500Ω
CL = 50 pF
tPZL
Output Enable to LOW Level
tPZH
Output Enable to HIGH Level
tPLZ
Output Disable from LOW Level
tPHZ
Output Disable from HIGH Level
DM74AS244 Switching Characteristics
over recommended operating free air temperature range
Symbol
Parameter
Conditions
tPLH
Propagation Delay Time
LOW-to-HIGH Level Output
tPHL
Propagation Delay Time
HIGH-to-LOW Level Output
VCC = 4.5V to 5.5V
R1 = R2 = 500Ω
CL = 50 pF
tPZL
Output Enable to LOW Level
tPZH
Output Enable to HIGH Level
tPLZ
Output Disable from LOW Level
tPHZ
Output Disable from HIGH Level
From
To
Min
(Input) (Output)
A
Y
2
A
Y
2
G
Y
2
G
Y
2
G
Y
2
G
Y
2
Max
Units
6.5
ns
5.7
ns
9
ns
6.4
ns
9.5
ns
5
ns
From
To
Min
(Input) (Output)
A
Y
2
A
Y
2
G
Y
2
G
Y
2
G
Y
2
G
Y
2
Max
Units
6.2
ns
6.2
ns
7.5
ns
9
ns
9
ns
6
ns
3
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