74AC273 查看數據表（PDF） - Fairchild Semiconductor
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74AC273 Datasheet PDF : 10 Pages
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AC Operating Requirements for ACT
Symbol
Parameter
tS
Setup Time, HIGH or LOW
Dn to CP
tH
Hold Time, HIGH or LOW
Dn to CP
tW
Clock Pulse Width
HIGH or LOW
tW
MR Pulse Width
HIGH or LOW
tW
Recovery Time
MR to CP
Note 11: Voltage Range 5.0 is 5.0V r 0.5V
Capacitance
Symbol
CIN
CPD
Parameter
Input Capacitance
Power Dissipation Capacitance for AC
Power Dissipation Capacitance for ACT
VCC
(V)
(Note 11)
5.0
5.0
5.0
5.0
5.0
Typ
4.5
50.0
40.0
TA 25qC
TA 40qC to 85qC
CL 50 pF
CL 50 pF
Typ
Guaranteed Minimum
1.0
3.5
3.5
0.5
1.5
1.5
2.0
4.0
4.0
Units
ns
ns
ns
1.5
4.0
4.0
ns
0.5
3.0
3.0
ns
Units
pF
pF
Conditions
VCC OPEN
VCC 5.0V
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