74AC273(2008) 데이터 시트보기 (PDF) - Fairchild Semiconductor
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74AC273 Datasheet PDF : 12 Pages
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AC Electrical Characteristics for ACT
Symbol
Parameter
fMAX
tPLH, tPHL
tPHL
Maximum Clock Frequency
Propagation Delay,
CP to Qn
Propagation Delay,
MR to Qn
Note:
8. Voltage range 5.0 is 5.0V ± 0.5V.
VCC (V)(8)
2.0
5.0
5.0
TA = +25°C,
CL = 50pF
Min. Typ. Max.
125 189
1.5 6.5 8.5
1.5 7.0 9.0
TA = –40°C to +85°C,
CL = 50pF
Min.
Max.
110
1.5
9.0
1.5
8.5
Units
MHz
ns
ns
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:
9. Voltage range 5.0 is 5.0V ± 0.5V.
VCC (V)(9)
5.0
5.0
5.0
5.0
5.0
TA = +25°C, TA = –40°C to +85°C,
CL = 50pF
CL = 50pF
Typ.
Guaranteed Minimum
1.0
3.5
3.5
Units
ns
–0.5 1.5
1.5
ns
2.0
4.0
4.0
ns
1.5
4.0
4.0
ns
0.5
3.0
3.0
ns
Capacitance
Symbol
CIN
CPD
Parameter
Input Capacitance
Power Dissipation Capacitance for AC
Power Dissipation Capacitance for ACT
Conditions
VCC = OPEN
VCC = 5.0V
Typ.
4.5
50.0
40.0
Units
pF
pF
©1988 Fairchild Semiconductor Corporation
74AC273, 74ACT273 Rev. 1.6.0
7
www.fairchildsemi.com
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