74AC273(2008) 데이터 시트보기 (PDF) - Fairchild Semiconductor
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74AC273 Datasheet PDF : 12 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
VCC (V)(6)
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
TA = +25°C,
CL = 50pF
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
TA = –40°C to +85°C,
CL = 50pF
Min.
Max. Units
75
MHz
125
3.0
14.0
ns
2.5
10.0
3.5
14.5
ns
2.5
11.0
3.5
14.0
ns
2.5
10.5
Note:
6. Voltage range 3.3 is 3.3V ± 0.3V. Voltage range 5.0 is 5.0V ± 0.5V.
AC Operating Requirements for AC
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
VCC (V)(7)
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
TA = +25°C, TA = –40°C to +85°C,
CL = 50pF
CL = 50pF
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
Note:
7. Voltage range 3.3 is 3.3V ± 0.3V. Voltage range 5.0 is 5.0V ± 0.5V.
©1988 Fairchild Semiconductor Corporation
74AC273, 74ACT273 Rev. 1.6.0
6
www.fairchildsemi.com
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