5962-87552012A Datasheet, PDF (3/22 Pages) Texas Instruments – OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS

SN54AC244, SN74AC244
OCTAL BUFFERS/DRIVERS
WITH 3-STATE OUTPUTS
SCAS514E − JUNE 1995 − REVISED OCTOBER 2003
recommended operating conditions (see Note 3)
SN54AC244 SN74AC244
UNIT
MIN MAX MIN MAX
V_CC Supply voltage
V_IH
High-level input voltage
V_IL
Low-level input voltage
V_I
Input voltage
V_O
Output voltage
I_OH
High-level output current
I_OL
Low-level output current
Δt/Δv Input transition rise or fall rate
V_CC = 3 V
V_CC = 4.5 V
V_CC = 5.5 V
V_CC = 3 V
V_CC = 4.5 V
V_CC = 5.5 V
V_CC = 3 V
V_CC = 4.5 V
V_CC = 5.5 V
V_CC = 3 V
V_CC = 4.5 V
V_CC = 5.5 V
2
6
2
6V
2.1
2.1
3.15
3.15
V
3.85
3.85
0.9
0.9
1.35
1.35 V
1.65
1.65
0 V_CC
0 V_CC
−12
0 V_CC
V
0 V_CC
V
−12
−24
−24 mA
−24
−24
12
12
24
24 mA
24
24
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.
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