main
Ray Set visibility: public f2562cb 7h ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "st4485ebdr",
  "title": "ST4485EBDR",
  "brief": "STMicroelectronics RS-485 / RS-422 ICs, SO-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "interface",
    "st4485ebdr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "ST4485EBDR",
    "manufacturer": "STMicroelectronics",
    "package": "SO-8",
    "pin_count": 8,
    "category": "Interface",
    "subcategory": "RS-485 / RS-422 ICs",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589943742560821248",
    "parts": {
      "symbol": "st4485ebdr.kicad_sym",
      "footprint": "st4485ebdr.kicad_mod",
      "model_3d": "st4485ebdr-hero.glb",
      "model_3d_plain": "st4485ebdr.glb",
      "model_3d_step": "st4485ebdr-etched.step",
      "model_3d_step_plain": "st4485ebdr.step",
      "lbr": "st4485ebdr.lbr"
    },
    "distributor_links": {
      "lcsc": 2671077,
      "digikey": "497-14086-2-ND",
      "mouser": "511-ST4485EBDR"
    },
    "distributor_check": {
      "checked_at": "2026-10-05T22:39:20Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-14086-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "511-ST4485EBDR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "RO",
        "type": "tri_state",
        "description": "Receiver output; high when differential input A-B > 200 mV, low when A-B < -200 mV, high impedance when RE is high."
      },
      {
        "number": "2",
        "name": "RE",
        "type": "input",
        "description": "Receiver enable (active low); enables receiver output when low, device enters shutdown when high with DE low."
      },
      {
        "number": "3",
        "name": "DE",
        "type": "input",
        "description": "Driver enable (active high); enables driver outputs when high, device enters shutdown when low with RE high."
      },
      {
        "number": "4",
        "name": "DI",
        "type": "input",
        "description": "Driver input; low forces A low and B high, high forces A high and B low; voltage range -0.3 to 7 V."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Ground; 0 V reference."
      },
      {
        "number": "6",
        "name": "A",
        "type": "bidirectional",
        "description": "Non-inverting driver output and receiver input; ±14 V rated, common mode input range -7 to 12 V."
      },
      {
        "number": "7",
        "name": "B",
        "type": "bidirectional",
        "description": "Inverting driver output and receiver input; ±14 V rated, common mode input range -7 to 12 V."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply; operating range 3.0 to 3.6 V, absolute maximum 7 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": 18,
        "cost_usd": 0.0894,
        "at": "2026-10-05T22:39:05"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589943742560821248",
        "pages": 18,
        "sha256": "25a825ddfb7c7a4b",
        "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"
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "STMicroelectronics",
      "Package": "SO-8",
      "Category": "Interface",
      "Pins": "8"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "st4485ebdr"
  ],
  "discovery_pitch": "ST4485EBDR (STMicroelectronics) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "st4485ebdr.kicad_sym",
    "st4485ebdr.kicad_mod",
    "st4485ebdr.glb",
    "st4485ebdr.step",
    "st4485ebdr.lbr",
    "docs/hero.png",
    "docs/st4485ebdr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "st4485ebdr-hero.glb",
    "st4485ebdr-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}