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LVC244AQ

Texas Instruments
Part Number LVC244AQ
Manufacturer Texas Instruments
Description OCTAL BUFFER/DRIVER
Published Feb 25, 2021
Detailed Description D Qualified for Automotive Applications D Operates From 1.65 V to 3.6 V D Inputs Accept Voltages to 5.5 V D Specified Fr...
Datasheet PDF File LVC244AQ PDF File

LVC244AQ
LVC244AQ

Overview
D Qualified for Automotive Applications D Operates From 1.
65 V to 3.
6 V D Inputs Accept Voltages to 5.
5 V D Specified From −40°C to 85°C and −40°C to 125°C D Max tpd of 5.
9 ns at 3.
3 V D Typical VOLP (Output Ground Bounce) <0.
8 V at VCC = 3.
3 V, TA = 25°C D Typical VOHV (Output VOH Undershoot) >2 V at VCC = 3.
3 V, TA = 25°C D Supports Mixed-Mode Signal Operation on All Ports (5-V Input/Output Voltage With 3.
3-V VCC) D Ioff Supports Partial-Power-Down Mode Operation D Latch-Up Performance Exceeds 250 mA Per JESD 17 SN74LVC244A-Q1 OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS SCAS790B − DECEMBER 2004 − REVISED JANUARY 2008 D ESD Protection Exceeds JESD 22 − 2000-V Human-Body Model (A114-A) − 200-V Machine Model (A115-A) − 1000-V Charged-Device Model (C101) DW OR PW PACKAGE (TOP VIEW) 1OE 1 1A1 2 2Y4 3 1A2 4 2Y3 5 1A3 6 2Y2 7 1A4 8 2Y1 9 GND 10 20 VCC 19 2OE 18 1Y1 17 2A4 16 1Y2 15 2A3 14 1Y3 13 2A2 12 1Y4 11 2A1 description/ordering information This octal buffer/line driver is operational at 1.
5-V to 3.
6-V VCC, but is designed specifically for 1.
65-V to 3.
6-V VCC operation.
The SN74LVC244A is organized as two 4-bit line drivers with separate output-enable (OE) inputs.
When OE is low, the device passes data from the A inputs to the Y outputs.
When OE is high, the outputs are in the high-impedance state.
Inputs can be driven from either 3.
3-V or 5-V devices.
This feature allows the use of this device as a translator in a mixed 3.
3-V/5-V system environment.
To ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.
This device is fully specified for partial-power-down applications using Ioff.
The Ioff circuitry disables the outputs, preventing damaging current backflow through the device when it is powered down.
ORDERING INFORMATION† TA PACKAGE‡ ORDERABLE PART NUMBER TOP-SIDE MARKING −40°C to 125°C SOIC − DW TS...


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