Datasheet

CD54AC139, CD74AC139
DUAL 2-LINE TO 4-LINE DECODERS/DEMULTIPLEXERS
SCHS332 – MARCH 2003
4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
switching characteristics over recommended operating free-air temperature range,
V
CC
= 1.5 V, C
L
= 50 pF (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
LOAD
CAPACITANCE
–55°C to
125°C
–40°C to
85°C
UNIT
(INPUT)
(OUTPUT)
CAPACITANCE
MIN MAX MIN MAX
t
PLH
AorB
Any Y
C
L
=50
p
F
131 119
ns
t
PHL
A
or
B
Any
Y
C
L
=
50
pF
131 119
ns
t
PLH
G
Any Y
C
L
=50
p
F
131 119
ns
t
PHL
G
Any
Y
C
L
=
50
pF
131 119
ns
switching characteristics over recommended operating free-air temperature range,
V
CC
= 3.3 V ± 0.3 V, C
L
= 50 pF (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
LOAD
CAPACITANCE
–55°C to
125°C
–40°C to
85°C
UNIT
(INPUT)
(OUTPUT)
CAPACITANCE
MIN MAX MIN MAX
t
PLH
AorB
Any Y
C
L
=50
p
F
3.7 14.7 3.9 13.4
ns
t
PHL
A
or
B
Any
Y
C
L
=
50
pF
3.7 14.7 3.9 13.4
ns
t
PLH
G
Any Y
C
L
=50
p
F
3.7 14.7 3.9 13.4
ns
t
PHL
G
Any
Y
C
L
=
50
pF
3.7 14.7 3.9 13.4
ns
switching characteristics over recommended operating free-air temperature range,
V
CC
= 5 V ± 0.5 V, C
L
= 50 pF (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
LOAD
CAPACITANCE
–55°C to
125°C
–40°C to
85°C
UNIT
(INPUT)
(OUTPUT)
CAPACITANCE
MIN MAX MIN MAX
t
PLH
AorB
Any Y
C
L
=50
p
F
2.6 10.5 2.8 9.5
ns
t
PHL
A
or
B
Any
Y
C
L
=
50
pF
2.6 10.5 2.8 9.5
ns
t
PLH
G
Any Y
C
L
=50
p
F
2.6 10.5 2.8 9.5
ns
t
PHL
G
Any
Y
C
L
=
50
pF
2.6 10.5 2.8 9.5
ns
operating characteristics, V
CC
= 5 V, T
A
= 25°C
PARAMETER TYP UNIT
C
pd
Power dissipation capacitance 83 pF