ES8485E-SR

{
  "slug": "es8485e-sr",
  "version": "0.1.0",
  "type": "component",
  "description": "ElecSuper RS-485 / RS-422 ICs, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface",
    "es8485e-sr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "es8485e-sr.kicad_sym",
    "es8485e-sr.kicad_mod",
    "es8485e-sr.glb",
    "es8485e-sr.step",
    "es8485e-sr.lbr",
    "docs/hero.png",
    "docs/es8485e-sr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "es8485e-sr-hero.glb",
    "es8485e-sr-hero.overlay.json",
    "es8485e-sr-etched.glb"
  ],
  "component": {
    "mpn": "ES8485E-SR",
    "manufacturer": "ElecSuper",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Interface",
    "subcategory": "RS-485 / RS-422 ICs",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8604442745163698176",
    "parts": {
      "symbol": "es8485e-sr.kicad_sym",
      "footprint": "es8485e-sr.kicad_mod",
      "model_3d": "es8485e-sr-hero.glb",
      "model_3d_plain": "es8485e-sr-etched.glb",
      "model_3d_step": "es8485e-sr-etched.step",
      "model_3d_step_plain": "es8485e-sr.step",
      "lbr": "es8485e-sr.lbr"
    },
    "distributor_links": {
      "lcsc": "C42420754"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T03:49:26Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "RO",
        "type": "output",
        "description": "Receiver output: when /RE is low, RO is high if A-B ≥ -10mV and low if A-B ≤ -200mV, and it is high-impedance when /RE is high."
      },
      {
        "number": "2",
        "name": "/RE",
        "type": "input",
        "description": "Active-low receiver output enable: low enables RO, high disables RO to high-impedance, and /RE high with DE low puts the device into low-power shutdown."
      },
      {
        "number": "3",
        "name": "DE",
        "type": "input",
        "description": "Driver output enable: high enables the driver outputs, low sets them to high-impedance, and /RE high with DE low puts the device into low-power shutdown."
      },
      {
        "number": "4",
        "name": "DI",
        "type": "input",
        "description": "Driver input: when DE is high, a low on DI drives A low and B high, and a high on DI drives A high and B low."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device; all voltages are referenced to this pin."
      },
      {
        "number": "6",
        "name": "A",
        "type": "bidirectional",
        "description": "Non-inverting bus terminal that serves as the receiver non-inverting input and the driver non-inverting output; bus fault tolerance is ±15V."
      },
      {
        "number": "7",
        "name": "B",
        "type": "bidirectional",
        "description": "Inverting bus terminal that serves as the receiver inverting input and the driver inverting output; bus fault tolerance is ±15V."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply input, specified for 3.0V to 5.5V operation with an absolute maximum of +6.5V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin numbers and names come from the pin-definition table on page 2. The pin-layout figure (图 1) and ; The VCC range of 3.0V to 5.5V is taken from the general description on page 1 and the absolute maxim; The datasheet lists SOP8 as the ordering package for ES8485E-SR, which matches the package hint. It "
        ],
        "pages_sent": 13,
        "cost_usd": 0.0439,
        "at": "2026-10-18T03:46:08"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8604442745163698176",
        "pages": 13,
        "sha256": "bebca5deb605eb5c",
        "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"
    },
    "models_3d": [
      {
        "file": "es8485e-sr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "es8485e-sr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "a0a650e5220e9d389cbac27e912563ab24681dd13fdcf3b71f83abec9410b0b1",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}