74AC253 Просмотр технического описания (PDF) - Fairchild Semiconductor
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74AC253 Datasheet PDF : 8 Pages
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AC Electrical Characteristics for ACT
Symbol
Parameter
tPLH
Propagation Delay
Sn to Zn
tPHL
Propagation Delay
Sn to Zn
tPLH
Propagation Delay
In to Zn
tPHL
Propagation Delay
In 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)
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
TA = +25°C
CL = 50 pF
Min
Typ
Max
2.0
7.0
11.5
3.0
7.5
13.0
2.5
5.5
10.0
3.5
6.5
11.0
2.0
4.5
7.5
2.0
5.0
8.0
3.0
6.0
9.5
2.5
4.5
7.5
Capacitance
TA = −40°C to +85°C
CL = 50 pF
Min
Max
2.0
13.0
2.5
14.5
2.0
11.0
3.0
12.5
1.5
8.5
1.5
9.0
2.5
10.0
2.0
8.5
Symbol
CIN
CPD
Parameter
Input Capacitance
Power Dissipation Capacitance
Typ
Units
Conditions
4.5
50.0
pF
VCC = OPEN
pF
VCC = 5.0V
Units
ns
ns
ns
ns
ns
ns
ns
ns
5
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