74F538SC 查看數據表（PDF） - Fairchild Semiconductor
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74F538SC Datasheet PDF : 8 Pages
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AC Electrical Characteristics
Symbol
Parameter
tPLH
Propagation Delay
tPHL
An to On
tPLH
Propagation Delay
tPHL
E1 or E2 to On
tPLH
Propagation Delay
tPHL
E3 or E4 to On
tPLH
Propagation Delay
tPHL
P to On
tPZH
Output Enable Time
tPZL
OE1 or OE2 to On
tPHZ
Output Disable Time
tPLZ
OE1 or OE2 to On
TA = +25°C
VCC = +5.0V
CL = 50 pF
Min
Typ
Max
6.0
11.0
16.0
4.0
7.5
11.0
5.0
8.5
15.0
4.0
6.5
9.0
6.0
11.0
16.0
5.0
10.0
14.0
6.0
11.5
18.0
6.0
11.0
16.0
3.0
5.5
10.0
5.0
9.0
13.0
2.0
4.0
6.0
3.0
5.0
8.0
TA = 0°C to +70°C
VCC = +5.0V
CL = 50 pF
Min
Max
6.0
17.0
4.0
12.0
5.0
16.0
4.0
10.0
6.0
17.0
5.0
15.0
6.0
20.0
6.0
17.0
3.0
11.0
5.0
14.0
2.0
7.0
3.0
9.0
Units
ns
ns
ns
5
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