74HC137D

{
  "slug": "74hc137d",
  "version": "0.1.0",
  "type": "component",
  "description": "Nexperia Logic ICs, SOIC-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
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    "logic ics",
    "74hc137d",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
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    "path": "docs/hero.png"
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    "README.md",
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    "74hc137d.kicad_mod",
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    "74hc137d.step",
    "74hc137d.lbr",
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    "docs/74hc137d-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
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  "component": {
    "mpn": "74HC137D",
    "manufacturer": "Nexperia",
    "package": "SOIC-16",
    "pin_count": 16,
    "category": "Logic ICs",
    "subcategory": "Logic ICs",
    "datasheet": "https://assets.nexperia.com/documents/data-sheet/74HC137D.pdf",
    "parts": {
      "symbol": "74hc137d.kicad_sym",
      "footprint": "74hc137d.kicad_mod",
      "model_3d": "74hc137d-hero.glb",
      "model_3d_plain": "74hc137d-etched.glb",
      "model_3d_step": "74hc137d-etched.step",
      "model_3d_step_plain": "74hc137d.step",
      "lbr": "74hc137d.lbr"
    },
    "distributor_links": {
      "lcsc": "C17116"
    },
    "distributor_check": {
      "checked_at": "2026-10-21T18:05:23Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "A0",
        "type": "input",
        "description": "Data input 0, the least significant of the three binary-weighted address inputs that the device decodes to the eight mutually exclusive outputs Y0 to Y7."
      },
      {
        "number": "2",
        "name": "A1",
        "type": "input",
        "description": "Data input 1, one of the three binary-weighted address inputs that the device decodes to the eight mutually exclusive outputs Y0 to Y7."
      },
      {
        "number": "3",
        "name": "A2",
        "type": "input",
        "description": "Data input 2, the most significant of the three binary-weighted address inputs that the device decodes to the eight mutually exclusive outputs Y0 to Y7."
      },
      {
        "number": "4",
        "name": "LE",
        "type": "input",
        "description": "Latch enable input (active LOW); a LOW-to-HIGH transition stores the address present before the transition in the latches, and further address changes are ignored while LE remains HIGH."
      },
      {
        "number": "5",
        "name": "E1",
        "type": "input",
        "description": "Data enable input 1 (active LOW); all outputs are HIGH unless E1 is LOW and E2 is HIGH, independent of the address inputs and latch."
      },
      {
        "number": "6",
        "name": "E2",
        "type": "input",
        "description": "Data enable input 2 (active HIGH); all outputs are HIGH unless E1 is LOW and E2 is HIGH, independent of the address inputs and latch."
      },
      {
        "number": "7",
        "name": "Y7",
        "type": "output",
        "description": "Multiplexer output 7; active LOW decoder output that is mutually exclusive with the other outputs."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground (0 V) reference for all voltages on the device."
      },
      {
        "number": "9",
        "name": "Y6",
        "type": "output",
        "description": "Multiplexer output 6; active LOW decoder output that is mutually exclusive with the other outputs."
      },
      {
        "number": "10",
        "name": "Y5",
        "type": "output",
        "description": "Multiplexer output 5; active LOW decoder output that is mutually exclusive with the other outputs."
      },
      {
        "number": "11",
        "name": "Y4",
        "type": "output",
        "description": "Multiplexer output 4; active LOW decoder output that is mutually exclusive with the other outputs."
      },
      {
        "number": "12",
        "name": "Y3",
        "type": "output",
        "description": "Multiplexer output 3; active LOW decoder output that is mutually exclusive with the other outputs."
      },
      {
        "number": "13",
        "name": "Y2",
        "type": "output",
        "description": "Multiplexer output 2; active LOW decoder output that is mutually exclusive with the other outputs."
      },
      {
        "number": "14",
        "name": "Y1",
        "type": "output",
        "description": "Multiplexer output 1; active LOW decoder output that is mutually exclusive with the other outputs."
      },
      {
        "number": "15",
        "name": "Y0",
        "type": "output",
        "description": "Multiplexer output 0; active LOW decoder output that is mutually exclusive with the other outputs."
      },
      {
        "number": "16",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply voltage; the recommended operating range is 2.0 V to 6.0 V (5.0 V typical), referenced to GND."
      }
    ],
    "provenance": {
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      "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": [],
        "pages_sent": 15,
        "cost_usd": 0.066,
        "at": "2026-10-21T17:59:34"
      },
      "datasheet": {
        "url": "https://assets.nexperia.com/documents/data-sheet/74HC137D.pdf",
        "pages": 15,
        "sha256": "fd1aa3d31b5dd44f",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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      "footprint": "viewers/footprint.html"
    },
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
        "checked": "2026-10-21",
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}