74AC273 데이터 시트보기 (PDF) - Fairchild Semiconductor
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74AC273 Datasheet PDF : 10 Pages
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AC Electrical Characteristics for AC
Symbol
Parameter
fMAX
Maximum Clock
Frequency
tPLH
Propagation Delay
Clock to Output
tPHL
Propagation Delay
Clock to Output
tPHL
Propagation Delay
MR to Output
Note 6: Voltage Range 3.3 is 3.3V r 0.3V
Voltage Range 5.0 is 5.0V r 0.5V
VCC
(V)
(Note 6)
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
TA 25qC
CL 50 pF
Min
Typ
Max
90
125
140
175
4.0
7.0
12.5
3.0
5.5
9.0
4.0
7.0
13.0
3.0
5.0
10.0
4.0
7.0
13.0
3.0
5.0
10.0
AC Operating Requirements for AC
TA 40qC to 85qC
CL 50 pF
Min
Max
75
125
3.0
14.0
2.5
10.0
3.5
14.5
2.5
11.0
3.5
14.0
2.5
10.5
Units
MHz
ns
ns
ns
Symbol
Parameter
tS
Setup Time, HIGH or LOW
Data to CP
tH
Hold Time, HIGH or LOW
Data to CP
tW
Clock Pulse Width
HIGH or LOW
tW
MR Pulse Width
HIGH or LOW
trec
Recovery Time
MR to CP
Note 7: Voltage Range 3.3 is 3.3V r 0.3V
Voltage Range 5.0 is 5.0V r 0.5V
VCC
(V)
(Note 7)
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
TA 25qC
TA 40qC to 85qC
CL 50 pF
CL 50 pF
Typ
Guaranteed Minimum
3.5
5.5
6.0
2.5
4.0
4.5
2.0
0
0
1.0
1.0
1.0
3.5
5.5
6.0
2.5
4.0
4.5
2.0
5.5
6.0
1.5
4.0
4.5
1.5
3.5
4.5
1.0
2.0
3.0
Units
ns
ns
ns
ns
ns
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