Datasheet

SN54LV244A
SN74LV244A
SCLS383M –SEPTEMBER 1997–REVISED JULY 2013 www.ti.com
ELECTRICAL CHARACTERISTICS
over recommended operating free-air temperature range (unless otherwise noted)
T
A
= –40°C to 125°C
T
A
= –55°C to 125°C T
A
= –40°C to 85°C
Recommended
PARAMETER TEST CONDITIONS V
CC
UNIT
SN54LV244A
(1)
SN74LV244A SN74LV244A
MIN TYP MAX MIN TYP MAX MIN TYP MAX
I
OH
= –50 2 V to 5.5 V V
CC
– 0.1 V
CC
– 0.1 V
CC
– 0.1
μA
I
OH
= –2 2.3 V 2 2 2
mA
V
OH
V
I
OH
= –8 3 V 2.48 2.48 2.48
mA
I
OH
= 16 4.5 V 3.8 3.8 3.8
mA
I
OL
= 50 μA 2 V to 5.5 V 0.1 0.1 0.1
I
OL
= 2 mA 2.3 V 0.4 0.4 0.4
V
OL
V
I
OL
= 8 mA 3 V 0.44 0.44 0.44
I
OL
= 16 4.5 V 0.55 0.55 0.55
mA
V
I
= 5.5 V 0 to 5.5 V ±1 ±1 ±1 μA
I
I
or GND
V
O
= V
CC
5.5 V ±5 ±5 ±5 μA
I
OZ
or GND
V
I
= V
CC
or I
O
= 0 5.5 V 20 20 20 μA
I
CC
GND,
V
I
or V
O
= 5 5 5
I
off
0 μA
0 to 5.5 V
V
I
= V
CC
or 2.3 2.3 2.3
C
i
3.3 V pF
GND
(1) Product Preview
SWITCHING CHARACTERISTICS
over recommended operating free-air temperature range, V
CC
= 2.5 V ± 0.2 V (unless otherwise noted) (see Figure 1)
T
A
= –40°C TO
T
A
= –55°C TO T
A
= –40°C TO
125°C
125°C 85°C
T
A
= 25°C
FROM TO LOAD
Recommended
PARAMETER UNIT
(INPUT) (OUTPUT) CAPACITANCE
SN54LV244A
(1)
SN74LV244A SN74LV244A
TYP MAX MIN MAX MIN MAX MIN MAX
t
pd
A Y 7.5
(2)
12.5
(2)
1
(2)
15
(2)
1 15 1 15
t
en
OE Y C
L
= 15 pF 8.9
(2)
14.6
(2)
1
(2)
17
(2)
1 17 1 17
t
dis
OE Y 9.1
(2)
14.1
(2)
1
(2)
16
(2)
1 16 1 16
t
pd
A Y 9.5
(2)
153 1 18 1 18 1 18 ns
t
en
OE Y C
L
= 50 pF 10.8 17.8 1 21 1 21 1 21
t
dis
OE Y 13.4 19.2 1 21 1 21 1 21
t
sk(o)
2 2 2
(1) Product Preview
(2) On products compliant to MIL-PRF-38535, this parameter is not production tested.
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