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74F169
AC Electrical Characteristics
AC Operating Requirements
Symbol Parameter
T
A
= +25°CT
A
= −55°C to +125°CT
A
= 0°C to +70°C
Units
V
CC
= +5.0V V
CC
= +5.0V V
CC
= +5.0V
C
L
= 50 pF C
L
= 50 pF C
L
= 50 pF
Min Typ Max Min Max Min Max
f
MAX
Maximum Count Frequency 90 60 70 MHz
t
PLH
Propagation Delay 3.0 6.5 8.5 3.0 12.0 3.0 9.5
ns
t
PHL
CP to Q
n
(PE HIGH or LOW) 4.0 9.0 11.5 4.0 16.0 4.0 13.0
t
PLH
Propagation Delay 5.5 12.0 15.5 5.5 20.0 5.5 17.5
ns
t
PHL
CP to TC 4.0 8.5 12.5 4.0 15.0 4.0 13.0
t
PLH
Propagation Delay 2.5 4.5 6.5 2.5 9.0 2.5 7.0
ns
t
PHL
CET to TC 2.5 8.5 11.0 2.5 12.0 2.5 12.0
t
PLH
Propagation Delay 3.5 8.5 11.5 3.5 16.0 3.5 12.5
ns
t
PHL
U/D to TC 4.0 8.0 12.0 4.0 14.0 4.0 13.0
Symbol Parameter
T
A
= +25°CT
A
= −55°C to +125°CT
A
= 0°C to +70°C
UnitsV
CC
= +5.0V V
CC
= +5.0V V
CC
= +5.0V
Min Max Min Max Min Max
t
S
(H) Setup Time, HIGH or LOW 4.0 4.5 4.5
ns
t
S
(L) P
n
to CP 4.0 4.5 4.5
t
H
(H) Hold Time, HIGH or LOW 3.0 3.5 3.5
t
H
(L) P
n
to CP 3.0 3.5 3.5
t
S
(H) Setup Time, HIGH or LOW 7.0 8.0 8.0
ns
t
S
(L) CEP or CET to CP 5.0 8.0 6.5
t
H
(H) Hold Time, HIGH or LOW 0 0 0
t
H
(L) CEP or CET to CP 0.5 1.0 0.5
t
S
(H) Setup Time, HIGH or LOW 8.0 10.0 9.0
ns
t
S
(L) PE to CP 8.0 10.0 9.0
t
H
(H) Hold Time, HIGH or LOW 1.0 1.0 1.0
t
H
(L) PE to CP 0 0 0
t
S
(H) Setup Time, HIGH or LOW 11.0 14.0 12.5
ns
t
S
(L) U/D to CP 7.012.08.5
t
H
(H) Hold Time, HIGH or LOW 0 0 0
t
H
(L) U/D to CP 0 0 0
t
W
(H) CP Pulse Width 4.0 6.0 4.5
ns
t
W
(L) HIGH or LOW 7.0 9.0 8.0