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Ray Publish 0.1.0 2a4d3a1 1d ago
{
  "slug": "max487cua-t-tudi",
  "version": "0.1.0",
  "type": "component",
  "description": "Tudi RS-485 / RS-422 ICs, MSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface",
    "max487cua+t-tudi",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "max487cua-t-tudi.kicad_sym",
    "max487cua-t-tudi.kicad_mod",
    "max487cua-t-tudi.glb",
    "max487cua-t-tudi.step",
    "max487cua-t-tudi.lbr",
    "docs/hero.png",
    "docs/max487cua-t-tudi-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "max487cua-t-tudi-hero.glb",
    "max487cua-t-tudi-hero.overlay.json",
    "max487cua-t-tudi-etched.glb"
  ],
  "component": {
    "mpn": "MAX487CUA+T-TUDI",
    "manufacturer": "Tudi",
    "package": "MSOP-8",
    "pin_count": 8,
    "category": "Interface",
    "subcategory": "RS-485 / RS-422 ICs",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8604436256005255168",
    "parts": {
      "symbol": "max487cua-t-tudi.kicad_sym",
      "footprint": "max487cua-t-tudi.kicad_mod",
      "model_3d": "max487cua-t-tudi-hero.glb",
      "model_3d_plain": "max487cua-t-tudi-etched.glb",
      "model_3d_step": "max487cua-t-tudi-etched.step",
      "model_3d_step_plain": "max487cua-t-tudi.step",
      "lbr": "max487cua-t-tudi.lbr"
    },
    "distributor_links": {
      "lcsc": "C42372969"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T09:48:25Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "error"
      },
      "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 ≥ -50mV and low if A-B ≤ -200mV."
      },
      {
        "number": "2",
        "name": "/RE",
        "type": "input",
        "description": "Receiver output enable, active low: low enables RO, high puts RO in high impedance; with /RE high and DE low the device enters low-power shutdown."
      },
      {
        "number": "3",
        "name": "DE",
        "type": "input",
        "description": "Driver output enable: high enables the driver outputs, low puts them in high impedance; with /RE high and DE low the device enters low-power shutdown."
      },
      {
        "number": "4",
        "name": "DI",
        "type": "input",
        "description": "Driver input: with DE 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 all voltages on the device."
      },
      {
        "number": "6",
        "name": "A",
        "type": "bidirectional",
        "description": "Non-inverting receiver input and non-inverting driver output (bus line A)."
      },
      {
        "number": "7",
        "name": "B",
        "type": "bidirectional",
        "description": "Inverting receiver input and inverting driver output (bus line B)."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply pin; operating supply range is 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-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet is a Chinese-language MAX487 copy whose header lists MSOP8 and whose features mention ; The MPN suffix 'MAX487CUA+T-TUDI' (CUA = MSOP code, +T = tape and reel) is not mentioned anywhere in; Pin 6 and pin 7 are typed as bidirectional because they serve as both receiver inputs and driver out"
        ],
        "pages_sent": 10,
        "cost_usd": 0.0371,
        "at": "2026-10-19T09:48:10"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8604436256005255168",
        "pages": 10,
        "sha256": "82811daa89709647",
        "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": "max487cua-t-tudi.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3.0,
          0.95
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "847c4c5023fe1603fbd36900a5dcc4bd3901ba473f71d42c9a469f0236eaadf3",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "max487cua-t-tudi-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3.0,
          0.95
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "c2a231f08f90b593fd3bfa82e1d1bc2ee2ab7de0c8ce89e8a4379a6ab0cf366d",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}