74AC377_05 데이터 시트보기 (PDF) - Fairchild Semiconductor
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74AC377_05 Datasheet PDF : 9 Pages
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AC Operating Requirements for AC
Symbol
Parameter
tS
Setup Time, HIGH or LOW
Dn to CP
tH
Hold Time, HIGH or LOW
Dn to CP
tS
Setup Time, HIGH or LOW
CE to CP
tH
Hold Time, HIGH or LOW
CE to CP
tW
CP Pulse Width
HIGH or LOW
Note 9: Voltage Range 3.3 is 3.0V r 0.3V
Voltage Range 5.0 is 5.0V r 0.5V
VCC
(V)
(Note 9)
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
4.0
6.0
7.5
2.5
4.0
4.5
3.5
0
0
2.0
1.0
1.0
3.5
5.5
6.0
2.5
4.0
4.5
AC Electrical Characteristics for ACT
Symbol
Parameter
fMAX
Maximum Clock Frequency
tPLH
Propagation Delay
CP to Qn
tPHL
Propagation Delay
CP to Qn
Note 10: Voltage Range 5.0 is 5.0V r 0.5V
VCC
TA 25qC
(V)
CL 50 pF
(Note 10) Min
Typ
Max
5.0
140
175
5.0
3.0
6.5
9.0
5.0
3.5
7.0
10.0
TA 40qC to 85qC
CL 50 pF
Min
Max
125
2.5
10.0
2.5
11.0
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
tS
Setup Time, HIGH or LOW
CE to CP
tH
Hold Time, HIGH or LOW
CE to CP
tW
CP Pulse Width
HIGH or LOW
Note 11: Voltage Range 5.0 is 5.0V r 0.5V
VCC
(V)
(Note 11)
5.0
5.0
5.0
5.0
5.0
TA 25qC
CL 50 pF
Typ
TA 40qC to 85qC
CL 50 pF
Guaranteed Minimum
2.5
4.5
5.5
1.0
1.0
1.0
2.5
4.5
5.5
1.0
1.0
1.0
2.0
4.0
4.5
Capacitance
Symbol
CIN
CPD
Parameter
Input Capacitance
Power Dissipation Capacitance
Typ
4.5
90.0
Units
pF
pF
Conditions
VCC OPEN
VCC 5.0V
Units
ns
ns
ns
ns
ns
Units
MHz
ns
ns
Units
ns
ns
ns
ns
ns
5
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