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74F399 Datasheet, PDF (4/7 Pages) NXP Semiconductors – Registers
AC Electrical Characteristics
Symbol
Parameter
fMAX
tPLH
tPHL
Input Clock Frequency
Propagation Delay
CP to Q or Q
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)
Setup Time, HIGH or LOW
In to CP
Hold Time, HIGH or LOW
In to CP
Setup Time, HIGH or LOW
S to CP
Hold Time, HIGH or LOW
S to CP
CP Pulse Width
HIGH or LOW
TA = +25°C
VCC = +5.0V
CL = 50 pF
Min
Typ
Max
100
140
3.0
5.7
7.5
3.0
6.8
9.0
TA = 0°C to +70°C
VCC = +5.0V
CL = 50 pF
Min
Max
100
3.0
8.5
3.0
10.0
Units
MHz
ns
TA = +25°C
VCC = +5.0V
Min
Max
3.0
3.0
1.0
1.0
7.5
7.5
0
0
4.0
5.0
TA = 0°C to +70°C
VCC = +5.0V
Min
Max
3.0
3.0
1.0
1.0
8.5
8.5
0
0
4.0
5.0
Units
ns
ns
ns
ns
ns
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