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Part Name
Description
DM74ALS240ASJ(2000) View Datasheet(PDF) - Fairchild Semiconductor
Part Name
Description
Manufacturer
DM74ALS240ASJ
(Rev.:2000)
Octal 3-STATE Bus Driver
Fairchild Semiconductor
DM74ALS240ASJ Datasheet PDF : 7 Pages
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Switching Characteristics DM74ALS240A
over recommended operating free air temperature range
Symbol
Parameter
Conditions
t
PLH
Propagation Delay Time
LOW-to-HIGH Level Output
t
PHL
Propagation Delay Time
HIGH-to-LOW Level Output
t
PZH
Output Enable Time
to HIGH Level Output
t
PZL
Output Enable Time
to LOW Level Output
t
PHZ
Output Disable Time
from HIGH Level Output
t
PLZ
Output Disable Time
from LOW Level Output
V
CC
=
4.5V to 5.5V,
C
L
=
50 pF,
R1
=
500
Ω
,
R2
=
500
Ω
,
T
A
=
Min to Max
Switching Characteristics DM74ALS241A
over recommended operating free air temperature range
Symbol
Parameter
Conditions
t
PLH
Propagation Delay Time
LOW-to-HIGH Level Output
t
PHL
Propagation Delay Time
HIGH-to-LOW Level Output
t
PZH
Output Enable Time
to HIGH Level Output
t
PZL
Output Enable Time
to HIGH Level Output
t
PHZ
Output Disable Time
to HIGH Level Output
t
PLZ
Output Disable Time
to LOW Level Output
t
PZH
Output Enable Time
to HIGH Level Output
t
PZL
Output Enable Time
to LOW Level Output
t
PHZ
Output Disable Time
from HIGH Level Output
t
PLZ
Output Disable Time
from LOW Level Output
V
CC
=
4.5V to 5.5V,
C
L
=
50 pF,
R1
=
500
Ω
,
R2
=
500
Ω
,
T
A
=
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
www.fairchildsemi.com
4
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