IN74ACT139
AC ELECTRICAL CHARACTERISTICS(V
CC
=5.0 V
±
10%, C
L
=50pF,Input t
r
=t
f
=3.0 ns)
Guaranteed Limits
Unit
Symbol
Parameter
25
°C
-40°C to
85°C
Min Max Min Max
t
PLH
Propagation Delay , Input A to Output Y 1.5
8.5
1.5
9.5
ns
(Figure 2)
t
PHL
Propagation Delay , Input A to Output Y 1.5
9.5
1.5 10.5
ns
(Figure 2)
t
PLH
Propagation Delay, Select to Output Y 2.5 10.0 2.0 11.0
ns
(Figure 1)
t
PHL
Propagation Delay, Select to Output Y 2.0
9.5
1.5 10.5
ns
(Figure 1)
C
IN
Maximum Input Capacitance
4.5
4.5
pF
Typical @25°C,V
CC
=5.0
V
40
C
PD
Power Dissipation Capacitance
pF
Figure 1. Switching Waveform
Figure 2. Switching Waveform
4