74F194SC 查看數據表（PDF） - Fairchild Semiconductor
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74F194SC Datasheet PDF : 6 Pages
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AC Electrical Characteristics
Symbol
Parameter
fMAX
tPLH
tPHL
tPHL
Maximum Shift Frequency
Propagation Delay
CP to Qn
Propagation Delay
MR to Qn
TA = +25°C
VCC = +5.0V
CL = 50 pF
Min
Typ
Max
105
150
3.5
5.2
7.0
3.5
5.5
7.0
4.5
8.6
12.0
TA = −55°C to +125°C
VCC = +5.0V
CL = 50 pF
Min
Max
90
3.0
8.5
3.0
8.5
TA = 0°C to +70°C
VCC = +5.0V
CL = 50 pF
Min
Max
90
3.5
8.0
3.5
8.0
4.5
14.5
4.5
14.0
AC Operating Requirements
Symbol
Parameter
tS(H)
tS(L)
tH(H)
tH(L)
tS(H)
tS(L)
tH(H)
tH(L)
tW(H)
tW(L)
tREC
Setup Time, HIGH or LOW
Pn or DSR or DSL to CP
Hold Time, HIGH or LOW
Pn or DSR or DSL to CP
Setup Time, HIGH or LOW
Sn to CP
Hold Time, HIGH or LOW
Sn to CP
CP Pulse Width, HIGH
MR Pulse Width, LOW
Recovery Time MR to CP
TA = +25°C
VCC = +5.0V
Min
Max
4.0
4.0
1.0
0
10.0
8.0
0
0
5.0
5.0
9.0
TA = −55°C to +125°C
VCC = +5.0V
Min
Max
6.0
4.0
1.5
1.0
10.5
8.0
0
0
5.5
5.0
9.0
TA = 0°C to +70°C
VCC = +5.0V
Min
Max
4.0
4.0
1.0
1.0
11.0
8.0
0
0
5.5
5.0
11.0
Units
MHz
ns
ns
Units
ns
ns
ns
ns
ns
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