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SN75157PSR

Public Made by Adom

by adom

Texas Instruments RS-485 / RS-422 ICs, SO-8-208mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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SN75157PSR

Texas Instruments · RS-485 / RS-422 ICs · SO-8-208mil

SN75157PSR from Texas Instruments, in a SO-8-208mil. 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 1IN+ input Non-inverting differential input for channel 1's differential receiver.
2 1OUT output Single-ended output for channel 1 differential receiver.
3 2OUT output Single-ended output for channel 2 differential receiver.
4 GND power_in Device ground.
5 2IN- input Inverting differential input for channel 2's differential receiver.
6 2IN+ input Non-inverting differential input for channel 2's differential receiver.
7 1IN- input Inverting differential input for channel 1's differential receiver.
8 VCC power_in 5V positive supply connection pin with ±5% tolerance.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SO-8-208mil
Category Interface
Pins 8

CAD (KiCad official)

  • Symbol: SN75157PSR
  • Footprint: Package_SO:SO-8_3.9x4.9mm_P1.27mm
  • 3D model: SO-8-208mil (KiCad packages3D, STEP)
  • 3D model files: sn75157psr-etched.step / sn75157psr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn75157psr.step / sn75157psr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (21 pp, sha256 398bb6bb956dce03, 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-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