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SN54LVCH244A

Texas Instruments
Part Number SN54LVCH244A
Manufacturer Texas Instruments
Description OCTAL BUFFERS/DRIVERS
Published Aug 27, 2020
Detailed Description www.ti.com SN54LVCH244A, SN74LVCH244A OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCES009O – JULY 1995 – REVISED FEBRUAR...
Datasheet PDF File SN54LVCH244A PDF File

SN54LVCH244A
SN54LVCH244A


Overview
www.
ti.
com SN54LVCH244A, SN74LVCH244A OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCES009O – JULY 1995 – REVISED FEBRUARY 2007 FEATURES • Operate From 1.
65 V to 3.
6 V • Inputs Accept Voltages to 5.
5 V • Max tpd of 5.
9 ns at 3.
3 V • Typical VOLP (Output Ground Bounce) <0.
8 V at VCC = 3.
3 V, TA = 25°C • Typical VOHV (Output VOH Undershoot) >2 V at VCC = 3.
3 V, TA = 25°C • Support Mixed-Mode Signal Operation on All Ports (5-V Input/Output Voltage With 3.
3-V VCC) • Ioff Supports Partial-Power-Down Mode Operation • Bus Hold on Data Inputs Eliminates the Need for External Pullup/Pulldown Resistors • Latch-Up Performance Exceeds 250 mA Per JESD 17 • ESD Protection Exceeds JESD 22 – 2000-V Human-Body Model (A114-A) – 200-V Machine Model (A115-A) – 1000-V Charged-Device Model (C101) SN54LVCH244A .
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J OR W PACKAGE SN74LVCH244A .
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DB, DBQ, DGV, DW, NS, OR PW PACKAGE (TOP VIEW) SN74LVCH244A .
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RGY PACKAGE (TOP VIEW) SN54LVCH244A .
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FK PACKAGE (TOP VIEW) 2Y4 1A1 1OE VCC 2OE 1OE VCC 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 1 1A1 2 2Y4 3 1A2 4 2Y3 5 1A3 6 2Y2 7 1A4 8 2Y1 9 10 20 19 2OE 18 1Y1 17 2A4 16 1Y2 15 2A3 14 1Y3 13 2A2 12 1Y4 11 2Y1 GND 2A1 1Y4 2A2 3 2 1 20 19 1A2 4 18 1Y1 2Y3 5 17 2A4 1A3 6 16 1Y2 2Y2 7 15 2A3 1A4 8 14 1Y3 9 10 11 12 13 GND 2A1 DESCRIPTION/ORDERING INFORMATION The SN54LVCH244A octal buffer/line driver is designed for 2.
7-V to 3.
6-V VCC operation, and the SN74LVCH244A octal buffer/line driver is designed for 1.
65-V to 3.
6-V VCC operation.
These devices are organized as two 4-bit line drivers with separate output-enable (OE) inputs.
When OE is low, these devices pass data from the A inputs to the Y outputs.
When OE is high, the outputs are in the high-impedance state.
Active bus-hold circuitry holds unused or undriven inputs at a valid logic state.
Use of pullup or pulldown resistors with the bus-hold circuitry is not recommended.
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