component
SN75157PSR
Public Made by Adomby adom
Texas Instruments RS-485 / RS-422 ICs, SO-8-208mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownSN75157PSR
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.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);sn75157psr.step/sn75157psr.glbare 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, primaryclaude-haiku-4-5-20251001(text), consensusclaude-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).