Datasheet

SN54AC245, SN74AC245
OCTAL BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCAS461F − FEBRUARY 1995 − REVISED OCTOBER 2003
3
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
recommended operating conditions (see Note 3)
SN54AC245 SN74AC245
UNIT
MIN MAX MIN MAX
UNIT
V
CC
Supply voltage 2 6 2 6 V
V
CC
= 3 V 2.1 2.1
V
IH
High-level input voltage
V
CC
= 4.5 V 3.15 3.15
V
V
IH
High level
input
voltage
V
CC
= 5.5 V 3.85 3.85
V
V
CC
= 3 V 0.9 0.9
V
IL
Low-level input voltage
V
CC
= 4.5 V 1.35 1.35
V
V
IL
Low level
input
voltage
V
CC
= 5.5 V 1.65 1.65
V
V
I
Input voltage 0 V
CC
0 V
CC
V
V
O
Output voltage 0 V
CC
0 V
CC
V
V
CC
= 3 V −12 −12
I
OH
High-level output current
V
CC
= 4.5 V −24 −24
mA
I
OH
High level
output
current
V
CC
= 5.5 V −24 −24
mA
V
CC
= 3 V 12 12
I
OL
Low-level output current
V
CC
= 4.5 V 24 24
mA
I
OL
Low level
output
current
V
CC
= 5.5 V 24 24
mA
Dt/Dv Input transition rise or fall rate 8 8 ns/V
T
A
Operating free-air temperature −55 125 −40 85 °C
NOTE 3: 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.