74AC257PC データシートの表示（PDF） - Fairchild Semiconductor
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74AC257PC Datasheet PDF : 9 Pages
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AC Electrical Characteristics for ACT
Symbol
Parameter
tPLH
Propagation Delay
In to Zn
tPHL
Propagation Delay
In to Zn
tPLH
Propagation Delay
S to Zn
tPHL
Propagation Delay
S to Zn
tPZH
Output Enable Time
tPZL
Output Enable Time
tPHZ
Output Disable Time
tPLZ
Output Disable Time
Note 8: Voltage Range 5.0 is 5.0V ± 0.5V
VCC
(V)
(Note 8)
Min
5.0
1.5
5.0
2.0
5.0
2.0
5.0
2.5
5.0
2.0
5.0
2.0
5.0
2.5
5.0
2.0
Capacitance
Symbol
CIN
CPD
Parameter
Input Capacitance
Power Dissipation Capacitance
Typ
4.5
50.0
TA = +25°C
CL = 50 pF
Typ
Max
5.0
7.0
6.0
7.5
7.0
9.5
7.0
10.5
6.0
8.0
6.0
8.0
6.5
9.0
6.0
7.5
TA = −40°C to +85°C
CL = 50 pF
Min
Max
1.0
7.5
1.5
8.5
1.5
10.5
2.0
11.5
1.5
9.0
1.5
9.0
1.5
10.0
1.5
8.5
Units
pF
pF
VCC = OPEN
VCC = 5.0V
Conditions
Units
ns
ns
ns
ns
ns
ns
ns
ns
5
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