Datasheet

SN54LV245A, SN74LV245A
OCTAL BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCLS382N ï SEPTEMBER 1997 ï REVISED AUGUST 2010
4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
recommended operating conditions (see Note 5)
SN54LV245A SN74LV245A
UNIT
MIN MAX MIN MAX
UNIT
V
CC
Supply voltage 2 5.5 2 5.5 V
V
CC
= 2 V 1.5 1.5
V
High level input voltage
V
CC
= 2.3 V to 2.7 V V
CC
× 0.7 V
CC
× 0.7
V
V
IH
High-level input voltage
V
CC
= 3 V to 3.6 V V
CC
× 0.7 V
CC
× 0.7
V
V
CC
= 4.5 V to 5.5 V V
CC
× 0.7 V
CC
× 0.7
V
CC
= 2 V 0.5 0.5
V
Low level input voltage
V
CC
= 2.3 V to 2.7 V V
CC
× 0.3 V
CC
× 0.3
V
V
IL
Low-level input voltage
V
CC
= 3 V to 3.6 V V
CC
× 0.3 V
CC
× 0.3
V
V
CC
= 4.5 V to 5.5 V V
CC
× 0.3 V
CC
× 0.3
V
I
Input voltage 0 5.5 0 5.5 V
V
Output voltage
High or low state 0 V
CC
0 V
CC
V
V
O
Output voltage
3-state 0 5.5 0 5.5
V
V
CC
= 2 V ï50 ï50 μA
I
High level output current
V
CC
= 2.3 V to 2.7 V ï2 ï2
I
OH
High-level output current
V
CC
= 3 V to 3.6 V ï8 ï8
mA
V
CC
= 4.5 V to 5.5 V ï16 ï16
mA
V
CC
= 2 V 50 50 μA
I
Low level output current
V
CC
= 2.3 V to 2.7 V 2 2
I
OL
Low-level output current
V
CC
= 3 V to 3.6 V 8 8
mA
V
CC
= 4.5 V to 5.5 V 16 16
mA
V
CC
= 2.3 V to 2.7 V 200 200
Δt/Δv Input transition rise or fall rate
V
CC
= 3 V to 3.6 V 100 100
ns/V
Δt/Δv
Input
transition
rise
or
fall
rate
V
CC
= 4.5 V to 5.5 V 20 20
ns/V
T
A
Operating free-air temperature ï55 125 ï40 85 °C
NOTE 5: All unused inputs of the device must be held at V
CC
or GND to ensure proper device operation. Refer to the TI application report,
Implications of Slow or Floating CMOS Inputs, literature number SCBA004.
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