www.fairchildsemi.com 4
74F373
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
t
PLH
Propagation Delay 3.0 5.3 7.0 3.0 8.5 3.0 8.0
ns
t
PHL
D
n
to O
n
2.03.75.02.07.02.06.0
t
PLH
Propagation Delay 5.0 9.0 11.5 5.0 15.0 5.0 13.0
ns
t
PHL
LE to O
n
3.05.27.03.08.53.08.0
t
PZH
Output Enable Time 2.0 5.0 11.0 2.0 13.5 2.0 12.0
ns
t
PZL
2.0 5.6 7.5 2.0 10.0 2.0 8.5
t
PHZ
Output Disable Time 1.5 4.5 6.5 1.5 10.0 1.5 7.5
ns
t
PLZ
1.53.85.01.57.01.56.0
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 2.0 2.0 2.0
ns
t
S
(L) D
n
to LE 2.0 2.0 2.0
t
H
(H) Hold Time, HIGH or LOW 3.0 3.0 3.0
t
H
(L) D
n
to LE 3.0 4.0 3.0
t
W
(H) LE Pulse Width, HIGH 6.0 6.0 6.0 ns
