74HC238N

{
  "schema_version": 1,
  "type": "component",
  "slug": "74hc238n",
  "title": "74HC238N",
  "brief": "HGSEMI Signal Switches, Multiplexers, Decoders, DIP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "logic",
    "74hc238n",
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    "extractor-text"
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  "component": {
    "mpn": "74HC238N",
    "manufacturer": "HGSEMI",
    "package": "DIP-16",
    "pin_count": 16,
    "category": "Logic",
    "subcategory": "Signal Switches, Multiplexers, Decoders",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603087546511605760",
    "parts": {
      "symbol": "74hc238n.kicad_sym",
      "footprint": "74hc238n.kicad_mod",
      "model_3d": "74hc238n-hero.glb",
      "model_3d_plain": "74hc238n-etched.glb",
      "model_3d_step": "74hc238n-etched.step",
      "model_3d_step_plain": "74hc238n.step",
      "lbr": "74hc238n.lbr"
    },
    "distributor_links": {
      "lcsc": "C5310756"
    },
    "distributor_check": {
      "checked_at": "2026-10-14T23:15:41Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "A0",
        "type": "input",
        "description": "Binary-weighted address input A0 (least significant bit) selects which of the eight active-HIGH outputs is enabled."
      },
      {
        "number": "2",
        "name": "A1",
        "type": "input",
        "description": "Binary-weighted address input A1 selects which of the eight active-HIGH outputs is enabled."
      },
      {
        "number": "3",
        "name": "A2",
        "type": "input",
        "description": "Binary-weighted address input A2 (most significant bit) selects which of the eight active-HIGH outputs is enabled."
      },
      {
        "number": "4",
        "name": "E1",
        "type": "input",
        "description": "Active-LOW enable input; all outputs stay LOW unless E1 and E2 are LOW and E3 is HIGH."
      },
      {
        "number": "5",
        "name": "E2",
        "type": "input",
        "description": "Active-LOW enable input; all outputs stay LOW unless E1 and E2 are LOW and E3 is HIGH."
      },
      {
        "number": "6",
        "name": "E3",
        "type": "input",
        "description": "Active-HIGH enable input; all outputs stay LOW unless E1 and E2 are LOW and E3 is HIGH."
      },
      {
        "number": "7",
        "name": "Y7",
        "type": "output",
        "description": "Active-HIGH mutually exclusive decoder output Y7, LOW unless enabled and selected by A0 to A2."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference (0 V) for the device."
      },
      {
        "number": "9",
        "name": "Y6",
        "type": "output",
        "description": "Active-HIGH mutually exclusive decoder output Y6, LOW unless enabled and selected by A0 to A2."
      },
      {
        "number": "10",
        "name": "Y5",
        "type": "output",
        "description": "Active-HIGH mutually exclusive decoder output Y5, LOW unless enabled and selected by A0 to A2."
      },
      {
        "number": "11",
        "name": "Y4",
        "type": "output",
        "description": "Active-HIGH mutually exclusive decoder output Y4, LOW unless enabled and selected by A0 to A2."
      },
      {
        "number": "12",
        "name": "Y3",
        "type": "output",
        "description": "Active-HIGH mutually exclusive decoder output Y3, LOW unless enabled and selected by A0 to A2."
      },
      {
        "number": "13",
        "name": "Y2",
        "type": "output",
        "description": "Active-HIGH mutually exclusive decoder output Y2, LOW unless enabled and selected by A0 to A2."
      },
      {
        "number": "14",
        "name": "Y1",
        "type": "output",
        "description": "Active-HIGH mutually exclusive decoder output Y1, LOW unless enabled and selected by A0 to A2."
      },
      {
        "number": "15",
        "name": "Y0",
        "type": "output",
        "description": "Active-HIGH mutually exclusive decoder output Y0, LOW unless enabled and selected by A0 to A2."
      },
      {
        "number": "16",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply voltage for the device; the text gives no supply range, only the 5 V quick-reference test condition."
      }
    ],
    "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 pin table on page 3 lists the outputs as 15, 14, 13, 12, 11, 10, 9, 7 for Y0 to Y7. This is non-; The datasheet text gives no VCC supply voltage range or absolute maximum ratings. Only the 5 V quick",
          "1/16 pin names appear NOWHERE in the datasheet text: ['5:E2@p3']"
        ],
        "pages_sent": 8,
        "cost_usd": 0.0328,
        "at": "2026-10-14T23:15:23"
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        "pages": 8,
        "sha256": "37355165fa2536ca",
        "source_tier": "lcsc"
      },
      "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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  },
  "metadata": {
    "specs": {
      "Manufacturer": "HGSEMI",
      "Package": "DIP-16",
      "Category": "Logic",
      "Pins": "16"
    },
    "characteristics": {
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