SP491ECN-L

{
  "slug": "sp491ecn-l",
  "version": "0.1.0",
  "type": "component",
  "description": "MaxLinear Pre-ordered Chips, SOIC-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface ics",
    "sp491ecn-l",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sp491ecn-l.kicad_sym",
    "sp491ecn-l.kicad_mod",
    "sp491ecn-l.glb",
    "sp491ecn-l.step",
    "sp491ecn-l.lbr",
    "docs/hero.png",
    "docs/sp491ecn-l-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sp491ecn-l-hero.glb",
    "sp491ecn-l-hero.overlay.json",
    "sp491ecn-l-etched.glb"
  ],
  "component": {
    "mpn": "SP491ECN-L",
    "manufacturer": "MaxLinear",
    "package": "SOIC-14",
    "pin_count": 14,
    "category": "Interface ICs",
    "subcategory": "Pre-ordered Chips",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/0cafbfd281e676fc33f80e1a94a2f6ff.pdf",
    "parts": {
      "symbol": "sp491ecn-l.kicad_sym",
      "footprint": "sp491ecn-l.kicad_mod",
      "model_3d": "sp491ecn-l-hero.glb",
      "model_3d_plain": "sp491ecn-l-etched.glb",
      "model_3d_step": "sp491ecn-l-etched.step",
      "model_3d_step_plain": "sp491ecn-l.step",
      "lbr": "sp491ecn-l.lbr"
    },
    "distributor_links": {
      "lcsc": "C2671784",
      "digikey": "1016-1187-5-ND",
      "mouser": "701-SP491ECN-L"
    },
    "distributor_check": {
      "checked_at": "2026-10-26T23:48:36Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "1016-1187-5-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "701-SP491ECN-L",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect."
      },
      {
        "number": "2",
        "name": "R",
        "type": "output",
        "description": "Receiver output; the receiver output is held in a high state when the receiver inputs are left unconnected (fail-safe)."
      },
      {
        "number": "3",
        "name": "RE",
        "type": "input",
        "description": "Receiver output enable, active LOW; a logic high on RE tri-states the receiver."
      },
      {
        "number": "4",
        "name": "DE",
        "type": "input",
        "description": "Driver output enable, active HIGH; a logic low on DE tri-states the driver outputs."
      },
      {
        "number": "5",
        "name": "D",
        "type": "input",
        "description": "Driver input; input high voltage is 2.0V minimum and input low voltage is 0.8V maximum."
      },
      {
        "number": "6",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection."
      },
      {
        "number": "8",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect."
      },
      {
        "number": "9",
        "name": "Y",
        "type": "output",
        "description": "Non-inverting driver output; with 54Ω across the differential outputs the driver maintains greater than 1.5V levels."
      },
      {
        "number": "10",
        "name": "Z",
        "type": "output",
        "description": "Inverting driver output; with 54Ω across the differential outputs the driver maintains greater than 1.5V levels."
      },
      {
        "number": "11",
        "name": "B",
        "type": "input",
        "description": "Inverting receiver input; receiver sensitivity is ±200mV over a common-mode range of -7V to 12V."
      },
      {
        "number": "12",
        "name": "A",
        "type": "input",
        "description": "Non-inverting receiver input; receiver sensitivity is ±200mV over a common-mode range of -7V to 12V."
      },
      {
        "number": "13",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect."
      },
      {
        "number": "14",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply, 4.75V to 5.25V."
      }
    ],
    "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 MPN SP491ECN-L matches the 14-pin NSOIC variant of SP491E in the ordering table (SP491ECN-L/TR, "
        ],
        "pages_sent": 13,
        "cost_usd": 0.0135,
        "at": "2026-10-26T23:48:11"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/0cafbfd281e676fc33f80e1a94a2f6ff.pdf",
        "pages": 13,
        "sha256": "6384730ddfde24eb",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 14,
        "described": 14,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "sp491ecn-l.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          8.7,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3b9a775da256c8afcc28dcddfbc2eb3f266107fe61ce8446d96f2c52b6f44a70",
        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sp491ecn-l-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          8.7,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "ee84b9dc032397b72a466614e0303a906e64ee5a564cb723d2fa118f25c70265",
        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}