SP491ECN-L

{
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  "type": "component",
  "slug": "sp491ecn-l",
  "title": "SP491ECN-L",
  "brief": "MaxLinear Pre-ordered Chips, SOIC-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
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    "interface ics",
    "sp491ecn-l",
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  "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",
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      "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",
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        "status": "found"
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    },
    "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": {
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        "at": "2026-10-26T23:48:11"
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  "metadata": {
    "specs": {
      "Manufacturer": "MaxLinear",
      "Package": "SOIC-14",
      "Category": "Interface ICs",
      "Pins": "14"
    },
    "characteristics": {
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          "name": "Maximum data rate",
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          "name": "Input hysteresis",
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          "name": "Three-State (High Impedance) Output Current",
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          "name": "Input resistance",
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          "name": "Input current (A, B); VIN = -7V",
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          "name": "Short circuit current",
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