74HC4002D

{
  "slug": "74hc4002d",
  "version": "0.1.0",
  "type": "component",
  "description": "Nexperia Logic Gates, SO-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "logic",
    "74hc4002d",
    "factory-2.0.0",
    "extractor-text"
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  "dependencies": {},
  "hero": {
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    "path": "docs/hero.png"
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    "74hc4002d.lbr",
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    "viewers/footprint.html",
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  "component": {
    "mpn": "74HC4002D",
    "manufacturer": "Nexperia",
    "package": "SO-14",
    "pin_count": 14,
    "category": "Logic",
    "subcategory": "Logic Gates",
    "datasheet": "https://assets.nexperia.com/documents/data-sheet/74HC4002D.pdf",
    "parts": {
      "symbol": "74hc4002d.kicad_sym",
      "footprint": "74hc4002d.kicad_mod",
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      "model_3d_plain": "74hc4002d-etched.glb",
      "model_3d_step": "74hc4002d-etched.step",
      "model_3d_step_plain": "74hc4002d.step",
      "lbr": "74hc4002d.lbr"
    },
    "distributor_links": {
      "lcsc": "C546932"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T18:02:01Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1Y",
        "type": "output",
        "description": "Data output of NOR gate 1; it is HIGH only when inputs 1A, 1B, 1C and 1D are all LOW (Table 3)."
      },
      {
        "number": "2",
        "name": "1A",
        "type": "input",
        "description": "Data input A of NOR gate 1; any HIGH input forces 1Y LOW, and the clamp diodes allow current-limited input voltages above VCC."
      },
      {
        "number": "3",
        "name": "1B",
        "type": "input",
        "description": "Data input B of NOR gate 1; any HIGH input forces 1Y LOW, and the clamp diodes allow current-limited input voltages above VCC."
      },
      {
        "number": "4",
        "name": "1C",
        "type": "input",
        "description": "Data input C of NOR gate 1; any HIGH input forces 1Y LOW, and the clamp diodes allow current-limited input voltages above VCC."
      },
      {
        "number": "5",
        "name": "1D",
        "type": "input",
        "description": "Data input D of NOR gate 1; any HIGH input forces 1Y LOW, and the clamp diodes allow current-limited input voltages above VCC."
      },
      {
        "number": "6",
        "name": "n.c.",
        "type": "unconnected",
        "description": "Not connected; the datasheet gives no internal function for this pin."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference (0 V); all voltages are referenced to this pin."
      },
      {
        "number": "8",
        "name": "n.c.",
        "type": "unconnected",
        "description": "Not connected; the datasheet gives no internal function for this pin."
      },
      {
        "number": "9",
        "name": "2A",
        "type": "input",
        "description": "Data input A of NOR gate 2; any HIGH input forces 2Y LOW, and the clamp diodes allow current-limited input voltages above VCC."
      },
      {
        "number": "10",
        "name": "2B",
        "type": "input",
        "description": "Data input B of NOR gate 2; any HIGH input forces 2Y LOW, and the clamp diodes allow current-limited input voltages above VCC."
      },
      {
        "number": "11",
        "name": "2C",
        "type": "input",
        "description": "Data input C of NOR gate 2; any HIGH input forces 2Y LOW, and the clamp diodes allow current-limited input voltages above VCC."
      },
      {
        "number": "12",
        "name": "2D",
        "type": "input",
        "description": "Data input D of NOR gate 2; any HIGH input forces 2Y LOW, and the clamp diodes allow current-limited input voltages above VCC."
      },
      {
        "number": "13",
        "name": "2Y",
        "type": "output",
        "description": "Data output of NOR gate 2; it is HIGH only when inputs 2A, 2B, 2C and 2D are all LOW (Table 3)."
      },
      {
        "number": "14",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage; recommended operating range is 2.0 V to 6.0 V, with an absolute maximum of 7 V."
      }
    ],
    "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: Pinout for SO14 taken from Table 2 (Pin description) and Fig. 5 on page 2; Table 1 confirms 74HC4002"
        ],
        "pages_sent": 11,
        "cost_usd": 0.0547,
        "at": "2026-10-17T18:01:15"
      },
      "datasheet": {
        "url": "https://assets.nexperia.com/documents/data-sheet/74HC4002D.pdf",
        "pages": 11,
        "sha256": "a1065b6019aeb7ee",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 14,
        "described": 14,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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        "extents_mm": [
          8.65,
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        "zmin_mm": 0.02,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "9549d4efd907a2d0e88159d0def354d29e7c48eeff6d33604a3bf4895a15611f",
        "checked": "2026-10-17",
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}