component

THVD1449DR

Public Made by Adom

by adom

Texas Instruments RS-485 / RS-422 ICs, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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Generated by kicad-footprint-generator · KiCad file format 20260206
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README.md Initial commit: component/thvd1449dr · Ray 2d ago
thvd1449dr-etched.glb thvd1449dr: factory component page (tier=mfr) · Ray 2d ago
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THVD1449DR

Texas Instruments · RS-485 / RS-422 ICs · SOIC-8

THVD1449DR from Texas Instruments, in a SOIC-8. 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 R output Receiver data output.
2 RE input Receiver enable, active low, with 2 MΩ internal pull-up.
3 DE input Driver enable, active high.
4 D input Driver data input.
5 GND power_in Device ground.
6 A bidirectional Bus I/O port A (complementary to B); absolute maximum bus voltage range is -15 V to 15 V.
7 B bidirectional Bus I/O port B (complementary to A); absolute maximum bus voltage range is -15 V to 15 V.
8 VCC power_in 3.3-V to 5-V supply for the device; absolute maximum is 7 V.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOIC-8
Category Interface
Pins 8

CAD (KiCad official)

  • Symbol: THVD1449DR
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOIC-8 (KiCad packages3D, STEP)
  • 3D model files: thvd1449dr-etched.step / thvd1449dr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); thvd1449dr.step / thvd1449dr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (30 pp, sha256 f5c3d3d8a4ebdcfc, retrieved 2026-10-03, 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