Data Sheet

74AC139, 74ACT139
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6
AC ELECTRICAL CHARACTERISTICS FOR AC
Symbol Parameter
V
CC
(V)
(Note 6)
T
A
= +25°C T
A
= −40°C to +85°C
Units
C
L
= 50 pF C
L
= 50 pF
Min Typ Max Min Max
t
PLH
Propagation Delay
A
n
to O
n
3.3 4.0 8.0 11.5 3.5 13.0
ns
5.0 3.0 6.5 8.5 2.5 9.5
t
PHL
Propagation Delay
A
n
to O
n
3.3 3.0 7.0 10.0 2.5 11.0
ns
5.0 2.5 5.5 7.5 2.0 8.5
t
PLH
Propagation Delay
E
n
to O
n
3.3 4.5 9.5 12.0 3.5 13.0
ns
5.0 3.5 7.0 8.5 3.0 10.0
t
PHL
Propagation Delay
E
n
to O
n
3.3 4.0 8.0 10.0 3.0 11.0
ns
5.0 2.5 6.0 7.5 2.5 8.5
6. Voltage Range 3.3 is 3.3 V ± 0.3 V.
Voltage Range 5.0 is 5.0 V ± 0.5 V.
AC ELECTRICAL CHARACTERISTICS FOR ACT
Symbol Parameter
V
CC
(V)
(Note 7)
T
A
= +25°C T
A
= −40°C to +85°C
Units
C
L
= 50 pF C
L
= 50 pF
Min Typ Max Min Max
t
PLH
Propagation Delay
A
n
to O
n
5.0 1.5 6.0 8.5 1.5 9.5 ns
t
PHL
Propagation Delay
A
n
to O
n
5.0 1.5 6.0 9.5 1.5 10.5 ns
t
PLH
Propagation Delay
E
n
to O
n
5.0 2.5 7.0 10.0 2.0 11.0 ns
t
PHL
Propagation Delay
E
n
to O
n
5.0 2.0 7.0 9.5 1.5 10.5 ns
7. Voltage Range 5.0 is 5.0 V ± 0.5 V
CAPACITANCE
Symbol Parameter Typ Units Conditions
C
IN
Input Capacitance 4.5 pF V
CC
= OPEN
C
PD
Power Dissipation Capacitance 40.0 pF V
CC
= 5.0V