SP3494EN-L

{
  "slug": "sp3494en-l",
  "version": "0.1.0",
  "type": "component",
  "description": "MaxLinear RS-485 / RS-422 ICs, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface",
    "sp3494en-l",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sp3494en-l.kicad_sym",
    "sp3494en-l.kicad_mod",
    "sp3494en-l.glb",
    "sp3494en-l.step",
    "sp3494en-l.lbr",
    "docs/hero.png",
    "docs/sp3494en-l-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sp3494en-l-hero.glb",
    "sp3494en-l-hero.overlay.json",
    "sp3494en-l-etched.glb"
  ],
  "component": {
    "mpn": "SP3494EN-L",
    "manufacturer": "MaxLinear",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Interface",
    "subcategory": "RS-485 / RS-422 ICs",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588923288898297856",
    "parts": {
      "symbol": "sp3494en-l.kicad_sym",
      "footprint": "sp3494en-l.kicad_mod",
      "model_3d": "sp3494en-l-hero.glb",
      "model_3d_plain": "sp3494en-l-etched.glb",
      "model_3d_step": "sp3494en-l-etched.step",
      "model_3d_step_plain": "sp3494en-l.step",
      "lbr": "sp3494en-l.lbr"
    },
    "distributor_links": {
      "lcsc": "C2671840"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T14:57:10Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "RO",
        "type": "output",
        "description": "Receiver output: goes HIGH when A−B is at or above +0.2V and LOW when A−B is at or below −0.2V, and is HIGH when the inputs are left open (fail-safe)."
      },
      {
        "number": "2",
        "name": "RE",
        "type": "input",
        "description": "Receiver output enable, active LOW: a logic LOW enables the receiver and a logic HIGH disables it, and RE high with DE low puts the device into shutdown (<10µA supply current)."
      },
      {
        "number": "3",
        "name": "DE",
        "type": "input",
        "description": "Driver output enable, active HIGH: a logic HIGH enables the driver outputs and a logic LOW forces them to high impedance (Z); input high threshold is 2.0V minimum and input low threshold is 0.8V maximum."
      },
      {
        "number": "4",
        "name": "DI",
        "type": "input",
        "description": "Driver input: with DE high, a logic HIGH drives A high and B low, and a logic LOW drives A low and B high; input thresholds are 2.0V minimum (high) and 0.8V maximum (low)."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection."
      },
      {
        "number": "6",
        "name": "A",
        "type": "bidirectional",
        "description": "Non-inverting driver output and receiver input; receiver common-mode input range is −7V to +12V and receiver input sensitivity is ±200mV."
      },
      {
        "number": "7",
        "name": "B",
        "type": "bidirectional",
        "description": "Inverting driver output and receiver input; receiver common-mode input range is −7V to +12V and receiver input sensitivity is ±200mV."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply, 3.3V ±5%."
      }
    ],
    "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 are taken from Table 5 (Pin Descriptions) on page 8 of the text. The Figure 2 "
        ],
        "pages_sent": 14,
        "cost_usd": 0.0496,
        "at": "2026-10-17T14:55:17"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588923288898297856",
        "pages": 14,
        "sha256": "ff9906c2e2d6d38d",
        "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": "sp3494en-l.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": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sp3494en-l-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": "940b70052b8f4e48ea21b7095e6292c2a049264a821d797bd86e18242ae23b33",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}