MX3085E

{
  "slug": "mx3085e",
  "version": "0.1.0",
  "type": "component",
  "description": "Wuxi Maxinmicro RS-485 / RS-422 ICs, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface",
    "mx3085e",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "mx3085e.kicad_sym",
    "mx3085e.kicad_mod",
    "mx3085e.glb",
    "mx3085e.step",
    "mx3085e.lbr",
    "docs/hero.png",
    "docs/mx3085e-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "mx3085e-hero.glb",
    "mx3085e-hero.overlay.json"
  ],
  "component": {
    "mpn": "MX3085E",
    "manufacturer": "Wuxi Maxinmicro",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Interface",
    "subcategory": "RS-485 / RS-422 ICs",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590916469830205440",
    "parts": {
      "symbol": "mx3085e.kicad_sym",
      "footprint": "mx3085e.kicad_mod",
      "model_3d": "mx3085e-hero.glb",
      "model_3d_plain": "mx3085e.glb",
      "model_3d_step": "mx3085e-etched.step",
      "model_3d_step_plain": "mx3085e.step",
      "lbr": "mx3085e.lbr"
    },
    "distributor_links": {
      "lcsc": "C22363482"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T21:35:02Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 547 calls left today"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "RO",
        "type": "output",
        "description": "Receiver output: while RE is low, RO is high when A-B is greater than or equal to -50 mV and low when A-B is less than or equal to -200 mV."
      },
      {
        "number": "2",
        "name": "RE",
        "type": "input",
        "description": "Receiver output enable, active low: RO is enabled when RE is low and high-impedance when RE is high; with RE high and DE low the device enters low-power shutdown."
      },
      {
        "number": "3",
        "name": "DE",
        "type": "input",
        "description": "Driver output enable: the driver outputs are active when DE is high and high-impedance when DE is low; with RE high and DE low the device enters low-power shutdown."
      },
      {
        "number": "4",
        "name": "DI",
        "type": "input",
        "description": "Driver input: when DE is high, a low on DI forces the non-inverting output low and the inverting output high, and a high on DI forces the non-inverting output high and the inverting output low."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "6",
        "name": "A",
        "type": "bidirectional",
        "description": "Non-inverting receiver input and non-inverting driver output."
      },
      {
        "number": "7",
        "name": "B",
        "type": "bidirectional",
        "description": "Inverting receiver input and inverting driver output."
      },
      {
        "number": "8",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply pin; the datasheet specifies 3.0 V ≤ VCC ≤ 5.5 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 gives a single package, SOP8, so the pinout applies to the SOP-8 variant. The pin tabl; Pin 8 is labeled VDD in the pin table and figure, but the supply limit is written as VCC (3.0 V to 5; The datasheet writes RE with an overbar (active-low). The name is given here as RE without the overb"
        ],
        "pages_sent": 9,
        "cost_usd": 0.0459,
        "at": "2026-10-09T21:32:38"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590916469830205440",
        "pages": 9,
        "sha256": "b5042a2eb73568eb",
        "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": "mx3085e.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": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mx3085e-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": "365c48cec293523e2011413411670da8576e37cb61017b8f9530b77cfa043a59",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}