www.fairchildsemi.com 4
DM74ALS573B
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 14 ns
LOW-to-HIGH Level Output R
L
= 500Ω
t
PHL
Propagation Delay Time C
L
= 50 pF
Data Any Q 2 14 ns
HIGH-to-LOW Level Output
t
PLH
Propagation Delay Time
Enable Any Q 6 20 ns
LOW-to-HIGH Level Output
t
PHL
Propagation Delay Time
Enable Any Q 6 19 ns
HIGH-to-LOW Level Output
t
PZH
Output Enable Time Output
Any Q 3 18 ns
to HIGH Level Output Control
t
PZL
Output Enable Time Output
Any Q 4 18 ns
to LOW Level Output Control
t
PHZ
Output Disable Time Output
Any Q 1 10 ns
from HIGH Level Output Control
t
PLZ
Output Disable Time Output
Any Q 1 15 ns
from LOW Level Output Control