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SN65LBC175ADR

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Texas Instruments RS-485 / RS-422 ICs, SOIC-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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SN65LBC175ADR

Texas Instruments · RS-485 / RS-422 ICs · SOIC-16

SN65LBC175ADR from Texas Instruments, in a SOIC-16. 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 1B input Channel 1 inverting differential bus input, with bus common-mode range of -7 V to 12 V.
2 1A input Channel 1 non-inverting differential bus input, with bus common-mode range of -7 V to 12 V.
3 1Y output Channel 1 receiver output, which goes high impedance when enable 1,2EN is low or open.
4 1,2EN input Active-high enable for channels 1 and 2, with VIH of 2 V minimum and VIL of 0.8 V maximum; tie to 3,4EN to enable all four receivers together.
5 2Y output Channel 2 receiver output, which goes high impedance when enable 1,2EN is low or open.
6 2A input Channel 2 non-inverting differential bus input, with bus common-mode range of -7 V to 12 V.
7 2B input Channel 2 inverting differential bus input, with bus common-mode range of -7 V to 12 V.
8 GND power_in Device ground, to which all voltages are referenced.
9 3B input Channel 3 inverting differential bus input, with bus common-mode range of -7 V to 12 V.
10 3A input Channel 3 non-inverting differential bus input, with bus common-mode range of -7 V to 12 V.
11 3Y output Channel 3 receiver output, which goes high impedance when enable 3,4EN is low or open.
12 3,4EN input Active-high enable for channels 3 and 4, with VIH of 2 V minimum and VIL of 0.8 V maximum; tie to 1,2EN to enable all four receivers together.
13 4Y output Channel 4 receiver output, which goes high impedance when enable 3,4EN is low or open.
14 4A input Channel 4 non-inverting differential bus input, with bus common-mode range of -7 V to 12 V.
15 4B input Channel 4 inverting differential bus input, with bus common-mode range of -7 V to 12 V.
16 VCC power_in Device supply, specified at 4.75 V to 5.25 V (5 V nominal).

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOIC-16
Category Interface
Pins 16

CAD (KiCad official)

  • Symbol: SN65LBC175ADR
  • Footprint: Package_SO:SOIC-16_3.9x9.9mm_P1.27mm
  • 3D model: SOIC-16 (KiCad packages3D, STEP)
  • 3D model files: sn65lbc175adr-etched.step / sn65lbc175adr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn65lbc175adr.step / sn65lbc175adr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (22 pp, sha256 fa431e14b0fa8125, retrieved 2026-10-08, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (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