Datasheet
SN54LV245A, SN74LV245A
OCTAL BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCLS382N ï SEPTEMBER 1997 ï REVISED AUGUST 2010
5
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
V
SN54LV245A SN74LV245A
UNIT
PARAMETER TEST CONDITIONS
V
CC
MIN TYP MAX MIN TYP MAX
UNIT
I
OH
= ï50 μA 2 V to 5.5 V V
CC
ï0.1 V
CC
ï0.1
V
I
OH
= ï2 mA 2.3 V 2 2
V
V
OH
I
OH
= ï8 mA 3 V 2.48 2.48
V
I
OH
= ï16 mA 4.5 V 3.8 3.8
I
OL
= 50 μA 2 V to 5.5 V 0.1 0.1
V
I
OL
= 2 mA 2.3 V 0.4 0.4
V
V
OL
I
OL
= 8 mA 3 V 0.44 0.44
V
I
OL
= 16 mA 4.5 V 0.55 0.55
I
I
Control inputs V
I
= 5.5 V or GND 0 to 5.5 V ±1 ±1 μA
I
OZ
A or B port V
O
= V
CC
or GND 5.5 V ±5 ±5 μA
I
CC
V
I
= V
CC
or GND, I
O
= 0 5.5 V 20 20 μA
I
off
V
I
or V
O
= 0 to 5.5 V 0 5 5 μA
C
Control inputs
V V or GND
3.3 V 3 3
pF
C
i
Control inputs V
I
= V
CC
or GND
5 V 3 3
pF
C
A or B port
V
O
=V
CC
or GND
3.3 V 5.5 5.5
pF
C
io
A or B port V
O
= V
CC
or GND
5 V 5.5 5.5
pF
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 SN54LV245A SN74LV245A
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
LOAD
CAPACITANCE
MIN TYP MAX MIN MAX MIN MAX
UNIT
t
pd
A or B B or A 8.3* 13* 1* 15* 1 15
t
en
OE
A or B
C
L
= 15 pF
11.8* 19.9* 1* 22* 1 22
ns
t
dis
OE
A or B
C
L
15
pF
11.8* 18.1* 1* 20* 1 20
ns
t
pd
A or B B or A 11.2 15.9 1 18 1 18
t
en
OE
A or B
C50pF
14.1 22.7 1 26 1 26
ns
t
dis
OE
A or B
C
L
= 50 pF
17.6 23.1 1 25 1 25
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 SN54LV245A SN74LV245A
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
LOAD
CAPACITANCE
MIN TYP MAX MIN MAX MIN MAX
UNIT
t
pd
A or B B or A 5.9* 8.4* 1* 10* 1 10
t
en
OE
A or B
C
L
= 15 pF
8.2* 13.2* 1* 15.5* 1 15.5
ns
t
dis
OE
A or B
C
L
15
pF
9.6* 16.5* 1* 19.5* 1 19.5
ns
t
pd
A or B B or A 7.9 11.9 1 13.5 1 13.5
t
en
OE
A or B
C50pF
9.9 16.7 1 19 1 19
ns
t
dis
OE
A or B
C
L
= 50 pF
13.9 19.8 1 22 1 22
ns
t
sk(o)
1.5 1.5
* On products compliant to MIL-PRF-38535, this parameter is not production tested.
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design phase of development. Characteristic data and other
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change or discontinue these products without notice.