www.fairchildsemi.com 4
DM74ALS373
Switching Characteristics
over recommended operating free air temperature range
Symbol Parameter Conditions From To Min Max Units
t
PLH
Propagation Delay Time V
CC
= 4.5V to 5.5V
Data Any Q 2 12 ns
LOW-to-HIGH Level Output R
L
= 500Ω
t
PHL
Propagation Delay Time C
L
= 50 pF
Data Any Q 4 16 ns
HIGH-to-LOW Level Output
t
PLH
Propagation Delay Time
Enable Any Q 6 22 ns
LOW-to-HIGH Level Output
t
PHL
Propagation Delay Time
Enable Any Q 7 23 ns
HIGH-to-LOW Level Output
t
PZH
Output Enable Time Output
Any Q 6 18 ns
to HIGH Level Output Control
t
PZL
Output Enable Time Output
Any Q 5 20 ns
to LOW Level Output Control
t
PHZ
Output Disable Time Output
Any Q 2 10 ns
from HIGH Level Output Control
t
PLZ
Output Disable Time Output
Any Q 2 12 ns
from LOW Level Output Control
