ST485ABDR

{
  "slug": "st485abdr",
  "version": "0.1.0",
  "type": "component",
  "description": "STMicroelectronics RS-485 / RS-422 ICs, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface",
    "st485abdr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "st485abdr.kicad_sym",
    "st485abdr.kicad_mod",
    "st485abdr.glb",
    "st485abdr.step",
    "st485abdr.lbr",
    "docs/hero.png",
    "docs/st485abdr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "st485abdr-hero.glb",
    "st485abdr-hero.overlay.json"
  ],
  "component": {
    "mpn": "ST485ABDR",
    "manufacturer": "STMicroelectronics",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Interface",
    "subcategory": "RS-485 / RS-422 ICs",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590906391089524736",
    "parts": {
      "symbol": "st485abdr.kicad_sym",
      "footprint": "st485abdr.kicad_mod",
      "model_3d": "st485abdr-hero.glb",
      "model_3d_plain": "st485abdr.glb",
      "model_3d_step": "st485abdr-etched.step",
      "model_3d_step_plain": "st485abdr.step",
      "lbr": "st485abdr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2969891",
      "digikey": "497-2082-2-ND",
      "mouser": "511-ST485ABDR"
    },
    "distributor_check": {
      "checked_at": "2026-10-06T04:42:23Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-2082-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "511-ST485ABDR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "RO",
        "type": "tri_state",
        "description": "Receiver output; logic high when A-B exceeds 200 mV, logic low when A-B is below -200 mV; high impedance output when RE is high."
      },
      {
        "number": "2",
        "name": "RE",
        "type": "input",
        "description": "Receiver output enable, active low; RO enabled when RE is low; device enters low power shutdown when RE is high and DE is low."
      },
      {
        "number": "3",
        "name": "DE",
        "type": "input",
        "description": "Driver output enable, active high; driver outputs A and B enabled when DE is high; device enters low power shutdown when RE is high and DE is low."
      },
      {
        "number": "4",
        "name": "DI",
        "type": "input",
        "description": "Driver input; low input forces A low and B high; high input forces A high and B low."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "6",
        "name": "A",
        "type": "bidirectional",
        "description": "Non-inverting driver output and receiver input; receiver input impedance 12-24 kΩ; accepts -7 to 12 V common mode; active driver output when DE is high, high impedance when DE is low."
      },
      {
        "number": "7",
        "name": "B",
        "type": "bidirectional",
        "description": "Inverting driver output and receiver input; receiver input impedance 12-24 kΩ; accepts -7 to 12 V common mode; active driver output when DE is high, high impedance when DE is low."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage; operates from 4.75 V to 5.25 V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 19,
        "cost_usd": 0.0926,
        "at": "2026-10-06T04:42:09"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590906391089524736",
        "pages": 19,
        "sha256": "472bf002205c3749",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    }
  }
}