DM74ALS240ACW 데이터 시트보기 (PDF) - Fairchild Semiconductor
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DM74ALS240ACW Datasheet PDF : 7 Pages
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Switching Characteristics DM74ALS240A
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
tPZH
Output Enable Time
to HIGH Level Output
tPZL
Output Enable Time
to LOW Level Output
tPHZ
Output Disable Time
from HIGH Level Output
tPLZ
Output Disable Time
from LOW Level Output
VCC = 4.5V to 5.5V,
CL = 50 pF,
R1 = 500Ω,
R2 = 500Ω,
TA = Min to Max
Switching Characteristics DM74ALS241A
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
tPZH
Output Enable Time
to HIGH Level Output
tPZL
Output Enable Time
to HIGH Level Output
tPHZ
Output Disable Time
to HIGH Level Output
tPLZ
Output Disable Time
to LOW Level Output
tPZH
Output Enable Time
to HIGH Level Output
tPZL
Output Enable Time
to LOW Level Output
tPHZ
Output Disable Time
from HIGH Level Output
tPLZ
Output Disable Time
from LOW Level Output
VCC = 4.5V to 5.5V,
CL = 50 pF,
R1 = 500Ω,
R2 = 500Ω,
TA = Min to Max
From
(Input)
To
(Output)
Min
2
A
Y
2
3
G
Y
3
2
G
Y
3
Max
Units
9
ns
9
ns
13
ns
18
ns
10
ns
12
ns
From
(Input)
To
(Output)
Min
3
A
Y
3
3
1G
Y
3
2
1G
Y
3
7
2G
Y
7
2
2G
Y
3
Max
Units
11
ns
10
ns
21
ns
21
ns
10
ns
15
ns
21
ns
21
ns
10
ns
15
ns
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