Datasheet

 
 
  
SCLS384H − SEPTEMBER 1997 − REVISED APRIL 2005
5
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
switching characteristics over recommended operating free-air temperature range,
V
CC
= 2.5 V ± 0.2 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
TO
LOAD
T
A
= 25°C SN54LV240A SN74LV240A
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
LOAD
CAPACITANCE
MIN TYP MAX MIN MAX MIN MAX
UNIT
t
pd
A Y 6.3
∗
11.6
∗
1
∗
14
∗
1 14
t
en
OE
Y
C
L
= 15 pF
8.5
∗
14.6
∗
1
∗
17
∗
1 17
ns
t
dis
OE
Y
C
L
= 15 pF
9.7
∗
14.1
∗
1
∗
16
∗
1 16
ns
t
pd
A Y 8.2 14.4 1 17 1 17
t
en
OE
Y
C
L
= 50 pF
10.3 17.8 1 21 1 21
ns
t
dis
OE
Y
C
L
= 50 pF
14.2 19.2 1 21 1 21
ns
t
sk(o)
2 2
* On products compliant to MIL-PRF-38535, this parameter is not production tested.
switching characteristics over recommended operating free-air temperature range,
V
CC
= 3.3 V ± 0.3 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
TO
LOAD
T
A
= 25°C SN54LV240A SN74LV240A
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
LOAD
CAPACITANCE
MIN TYP MAX MIN MAX MIN MAX
UNIT
t
pd
A Y 4.6
∗
7.5
∗
1
∗
9
∗
1 9
t
en
OE
Y
C
L
= 15 pF
6.2
∗
10.6
∗
1
∗
12.5
∗
1 12.5
ns
t
dis
OE
Y
C
L
= 15 pF
8.3
∗
12.5
∗
1
∗
13.5
∗
1 13.5
ns
t
pd
A Y 5.9 11 1 12.5 1 12.5
t
en
OE
Y
C
L
= 50 pF
7.5 14.1 1 16 1 16
ns
t
dis
OE
Y
C
L
= 50 pF
11.8 15 1 17 1 17
ns
t
sk(o)
1.5 1.5
* On products compliant to MIL-PRF-38535, this parameter is not production tested.
switching characteristics over recommended operating free-air temperature range,
V
CC
= 5 V ± 0.5 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
TO
LOAD
T
A
= 25°C SN54LV240A SN74LV240A
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
LOAD
CAPACITANCE
MIN TYP MAX MIN MAX MIN MAX
UNIT
t
pd
A Y 3.4
∗
5.5
∗
1
∗
6.5
∗
1 6.5
t
en
OE
Y
C
L
= 15 pF
4.6
∗
7.3
∗
1
∗
8.5
∗
1 8.5
ns
t
dis
OE
Y
C
L
= 15 pF
7.4
∗
12.2
∗
1
∗
13.5
∗
1 13.5
ns
t
pd
A Y 4.4 7.5 1 8.5 1 8.5
t
en
OE
Y
C
L
= 50 pF
5.6 9.3 1 10.5 1 10.5
ns
t
dis
OE
Y
C
L
= 50 pF
9.7 14.2 1 15.5 1 15.5
ns
t
sk(o)
1 1
* On products compliant to MIL-PRF-38535, this parameter is not production tested.
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