74F2645SC データシートの表示（PDF） - Fairchild Semiconductor
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74F2645SC Datasheet PDF : 5 Pages
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AC Electrical Characteristics
Symbol
Parameter
tPLH
Propagation Delay
tPHL
A Input to B Output
tPLH
Propagation Delay
tPHL
B Input to A Output
tPZH
Enable Time
tPZL
OE Input to A Output
tPHZ
Disable Time
tPLZ
OE Input to A Output
tPZH
Enable Time
tPZL
OE Input to B Output
tPHZ
Disable Time
tPLZ
OE Input to B Output
TA = +25°C
VCC = +5.0V
CL = 50 pF
Min
Typ
Max
1.5
6.0
2.5
7.5
1.5
6.0
2.5
7.5
2.5
8.0
2.5
8.5
1.5
7.0
1.0
5.5
2.5
7.5
2.5
8.5
1.5
6.5
1.0
6.5
TA = 0°C to +70°C
VCC = +5.0V
CL = 50 pF
Min
Max
1.5
7.0
2.5
8.0
1.5
7.0
2.5
8.0
2.0
9.0
2.0
8.5
1.0
8.0
1.0
5.5
2.0
9.5
2.5
9.0
1.0
7.5
1.0
6.5
Units
ns
ns
ns
ns
Basic FAST Circuit Showing Series Resistor Placement
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