component

SN75ALS176ADR

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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SN75ALS176ADR

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

SN75ALS176ADR 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: high when VID ≥ 0.2 V and RE is low, low when VID ≤ −0.2 V and RE is low, and high impedance when RE is high.
2 RE input Receiver enable, active low; driving RE high places the receiver output R in the high-impedance state.
3 DE input Driver enable, active high; when DE is low the driver outputs A and B are high impedance.
4 D input Driver data input; with DE high, D high drives A high and B low, and D low drives A low and B high.
5 GND power_in Local device ground.
6 A bidirectional Driver output or receiver input, complementary to B (noninverting bus terminal); bus terminal voltage must stay within −7 V to 12 V.
7 B bidirectional Driver output or receiver input, complementary to A (inverting bus terminal); bus terminal voltage must stay within −7 V to 12 V.
8 VCC power_in Supply voltage of 4.75 V to 5.25 V (5 V nominal), with an absolute maximum of 7 V.

Key specifications

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

CAD (KiCad official)

  • Symbol: SN75ALS176ADR
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOIC-8 (KiCad packages3D, STEP)
  • 3D model files: sn75als176adr-etched.step / sn75als176adr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn75als176adr.step / sn75als176adr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (26 pp, sha256 173f362db3d9addb, 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