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SN74LVC2244APWR

Public Made by Adom

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Texas Instruments Buffers, Drivers, Receivers, Transceivers, TSSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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Symbol & Footprint

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PCB Footprint

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Datasheet

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Contents

README

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SN74LVC2244APWR

Texas Instruments · Buffers, Drivers, Receivers, Transceivers · TSSOP-20

SN74LVC2244APWR from Texas Instruments, in a TSSOP-20. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 1OE input Output Enable 1 input.
2 1A1 input 1A1 input.
3 2Y4 output 2Y4 output.
4 1A2 input 1A2 input.
5 2Y3 output 2Y3 output.
6 1A3 input 1A3 input.
7 2Y2 output 2Y2 output.
8 1A4 input 1A4 input.
9 2Y1 output 2Y1 output.
10 GND power_in Ground pin.
11 2A1 input 2A1 input.
12 1Y4 output 1Y4 output.
13 2A2 input 2A2 input.
14 1Y3 output 1Y3 output.
15 2A3 input 2A3 input.
16 1Y2 output 1Y2 output.
17 2A4 input 2A4 input.
18 1Y1 output 1Y1 output.
19 2OE input Output Enable 2 input.
20 VCC power_in Power supply pin.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package TSSOP-20
Category Logic
Pins 20

CAD (KiCad official)

  • Symbol: SN74LVC2244APWR
  • Footprint: Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm
  • 3D model: TSSOP-20 (KiCad packages3D, STEP)
  • 3D model files: sn74lvc2244apwr-etched.step / sn74lvc2244apwr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn74lvc2244apwr.step / sn74lvc2244apwr.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Texas Instruments datasheet (30 pp, sha256 5ef8b4b7332c1b8f, retrieved 2026-10-01, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF