74AC174 データシートの表示（PDF） - Fairchild Semiconductor
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74AC174 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
tW
MR Pulse Width, LOW
tW
CP Pulse Width
tREC
Recovery Time
MR to CP
Note 8: Voltage Range 3.3 is 3.3V ± 0.3V
Voltage Range 5.0 is 5.0V ± 0.5V
VCC
(V)
(Note 8)
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
TA = +25°C
CL = 50 pF
TA = −40°C to +85°C
CL = 50 pF
Typ
Guaranteed Minimum
2.5
6.5
7.0
2.0
5.0
5.5
1.0
3.0
3.0
0.5
3.0
3.0
1.0
5.5
7.0
1.0
5.0
5.0
1.0
5.5
7.0
1.0
5.0
5.0
0
2.5
2.5
0
2.0
2.0
Units
ns
ns
ns
ns
ns
AC Electrical Characteristics for ACT
Symbol
Parameter
fMAX
Maximum Clock
Frequency
tPLH
Propagation Delay
CP to Qn
tPHL
Propagation Delay
CP to Qn
tPHL
Propagation Delay
MR to Qn
Note 9: Voltage Range 5.0 is 5.0V ± 0.5V
VCC
(V)
(Note 9)
5.0
5.0
5.0
5.0
TA = +25°C
CL = 50 pF
Min
Typ
Max
165
200
1.5
7.0
10.5
1.5
7.0
10.5
1.5
6.5
9.5
TA = −40°C to +85°C
CL = 50 pF
Min
Max
140
Units
MHz
1.5
11.5
ns
1.5
11.5
ns
1.5
11.0
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
MR Pulse Width, LOW
tW
CP Pulse Width, HIGH or LOW
trec
Recovery Time
MR to CP
Note 10: Voltage Range 5.0 is 5.0V ± 0.5V
VCC
(V)
(Note 10)
5.0
5.0
5.0
5.0
5.0
TA = +25°C
CL = 50 pF
Typ
TA = −40°C to +85°C
CL = 50 pF
Guaranteed Minimum
0.5
1.5
1.5
1.0
2.0
2.0
1.5
3.0
3.5
1.5
3.0
3.5
−1.0
0.5
0.5
Units
ns
ns
ns
ns
ns
Capacitance
Symbol
CIN
CPD
Parameter
Input Capacitance
Power Dissipation Capacitance
Typ
Units
Conditions
4.5
85.0
pF
VCC = OPEN
pF
VCC = 5.0V
5
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