Datasheet

CD74AC238
3-LINE TO 8-LINE DECODER/DEMULTIPLEXER
SCHS331 – 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
5.3 21 5.4 19.1
ns
t
PHL
A
,
B
,
C
Any
Y
5.3 21 5.4 19.1
ns
t
PLH
G1
Any Y
5.8 23.2 6 21.1
ns
t
PHL
G1
Any
Y
5.8 23.2 6 21.1
ns
t
PLH
G2A G2B
Any Y
4.2 16.7 4.3 15.2
ns
t
PHL
G2A
,
G2B
Any
Y
4.2 16.7 4.3 15.2
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
3.8 15 3.9 13.6
ns
t
PHL
A
,
B
,
C
Any
Y
3.8 15 3.9 13.6
ns
t
PLH
G1
Any Y
4.2 16.6 4.3 15.1
ns
t
PHL
G1
Any
Y
4.2 16.6 4.3 15.1
ns
t
PLH
G2A G2B
Any Y
3 11.9 3.1 10.7
ns
t
PHL
G2A
,
G2B
Any
Y
3 11.9 3.1 10.7
ns
operating characteristics, V
CC
= 5 V, T
A
= 25°C
PARAMETER TYP UNIT
C
pd
Power dissipation capacitance 110 pF