Datasheet

CD54AC138, CD74AC138
3-LINE TO 8-LINE DECODERS/DEMULTIPLEXERS
SCHS328A – JANUARY 2003 – REVISED FEBRUARY 2003
5
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
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)
–55°C to
125°C
–40°C to
85°C
UNIT
(INPUT)
(OUTPUT)
MIN MAX MIN MAX
t
PLH
ABC
Any Y
3.9 15.4 4 14
ns
t
PHL
A
,
B
,
C
Any
Y
3.9 15.4 4 14
ns
t
PLH
G1
Any Y
3.9 15.4 4 14
ns
t
PHL
G1
Any
Y
3.9 15.4 4 14
ns
t
PLH
G2A G2B
Any Y
3.5 14 3.6 12.7
ns
t
PHL
G2A
,
G2B
Any
Y
3.5 14 3.6 12.7
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)
–55°C to
125°C
–40°C to
85°C
UNIT
(INPUT)
(OUTPUT)
MIN MAX MIN MAX
t
PLH
ABC
Any Y
2.8 11 2.8 10
ns
t
PHL
A
,
B
,
C
Any
Y
2.8 11 2.8 10
ns
t
PLH
G1
Any Y
2.8 11 2.8 10
ns
t
PHL
G1
Any
Y
2.8 11 2.8 10
ns
t
PLH
G2A G2B
Any Y
2.5 10 2.6 9.1
ns
t
PHL
G2A
,
G2B
Any
Y
2.5 10 2.6 9.1
ns
operating characteristics, V
CC
= 5 V, T
A
= 25°C
PARAMETER TYP UNIT
C
pd
Power dissipation capacitance 110 pF