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SN65LBC172A16DW

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Texas Instruments RS-485 / RS-422 ICs, SOIC-16-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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Contents

README

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SN65LBC172A16DW

Texas Instruments · RS-485 / RS-422 ICs · SOIC-16-300mil

SN65LBC172A16DW from Texas Instruments, in a SOIC-16-300mil. 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 1A input Driver 1 logic input, VIL 0 to 0.8 V and VIH 2 V to VCC.
2 1Y output Driver 1 non-inverting bus output, tri-state, with current limit and thermal shutdown, bus range -7 V to 12 V.
3 1Z output Driver 1 inverting bus output, tri-state, with current limit and thermal shutdown, bus range -7 V to 12 V.
4 G input Active-high driver enable input for the drivers, VIH 2 V to VCC and VIL 0 to 0.8 V.
5 2Z output Driver 2 inverting bus output, tri-state, bus range -7 V to 12 V.
6 2Y output Driver 2 non-inverting bus output, tri-state, bus range -7 V to 12 V.
7 2A input Driver 2 logic input, VIL 0 to 0.8 V and VIH 2 V to VCC.
8 GND power_in Ground; Y and Z outputs are ESD protected to ±12000 V HBM relative to GND.
9 3A input Driver 3 logic input, VIL 0 to 0.8 V and VIH 2 V to VCC.
10 3Y output Driver 3 non-inverting bus output, tri-state, bus range -7 V to 12 V.
11 3Z output Driver 3 inverting bus output, tri-state, bus range -7 V to 12 V.
12 G̅ input Active-low driver enable input for the drivers, VIH 2 V to VCC and VIL 0 to 0.8 V.
13 4Z output Driver 4 inverting bus output, tri-state, bus range -7 V to 12 V.
14 4Y output Driver 4 non-inverting bus output, tri-state, bus range -7 V to 12 V.
15 4A input Driver 4 logic input, VIL 0 to 0.8 V and VIH 2 V to VCC.
16 VCC power_in Supply voltage, 4.75 V to 5.25 V recommended (absolute maximum 6 V).

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOIC-16-300mil
Category Interface
Pins 16

CAD (KiCad official)

  • Symbol: SN65LBC172A16DW
  • Footprint: Package_SO:SOIC-16_3.9x9.9mm_P1.27mm
  • 3D model: SOIC-16-300mil (KiCad packages3D, STEP)
  • 3D model files: sn65lbc172a16dw-etched.step / sn65lbc172a16dw-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn65lbc172a16dw.step / sn65lbc172a16dw.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (29 pp, sha256 0153d8e061957f4d, retrieved 2026-10-07, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-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