SN54AC244, SN74AC244
OCTAL BUFFERS/DRIVERS
WITH 3-STATE OUTPUTS
SCAS514E − JUNE 1995 − REVISED OCTOBER 2003
recommended operating conditions (see Note 3)
SN54AC244
MIN
V
CC
V
IH
Supply voltage
V
CC
= 3 V
High level
High-level input voltage
V
CC
= 4.5 V
V
CC
= 5.5 V
V
CC
= 3 V
V
IL
V
I
V
O
I
OH
Low level
Low-level input voltage
Input voltage
Output voltage
V
CC
= 3 V
High-level output current
High level
V
CC
= 4.5 V
V
CC
= 5.5 V
V
CC
= 3 V
I
OL
Δt/Δv
T
A
Low level
Low-level output current
Input transition rise or fall rate
Operating free-air temperature
−55
V
CC
= 4.5 V
V
CC
= 5.5 V
V
CC
= 4.5 V
V
CC
= 5.5 V
0
0
2
2.1
3.15
3.85
0.9
1.35
1.65
V
CC
V
CC
−12
−24
−24
12
24
24
8
125
−40
0
0
MAX
6
SN74AC244
MIN
2
2.1
3.15
3.85
0.9
1.35
1.65
V
CC
V
CC
−12
−24
−24
12
24
24
8
85
ns/V
°C
mA
mA
V
V
V
V
MAX
6
UNIT
V
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.
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