74HC151D

{
  "slug": "74hc151d",
  "version": "0.1.0",
  "type": "component",
  "description": "Nexperia Signal Switches, Multiplexers, Decoders, SOIC-16. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "logic",
    "74hc151d",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "74hc151d.kicad_sym",
    "74hc151d.kicad_mod",
    "74hc151d.glb",
    "74hc151d.step",
    "74hc151d.lbr",
    "docs/hero.png",
    "docs/74hc151d-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "component": {
    "mpn": "74HC151D",
    "manufacturer": "Nexperia",
    "package": "SOIC-16",
    "pin_count": 16,
    "category": "Logic",
    "subcategory": "Signal Switches, Multiplexers, Decoders",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586193211618836480",
    "parts": {
      "symbol": "74hc151d.kicad_sym",
      "footprint": "74hc151d.kicad_mod",
      "model_3d": "74hc151d.glb",
      "model_3d_step": "74hc151d.step",
      "lbr": "74hc151d.lbr"
    },
    "distributor_links": {
      "lcsc": "C131692"
    },
    "pins": [
      {
        "number": "1",
        "name": "I3",
        "type": "input",
        "description": "Data input I3; one of eight binary inputs to the multiplexer."
      },
      {
        "number": "2",
        "name": "I2",
        "type": "input",
        "description": "Data input I2; one of eight binary inputs to the multiplexer."
      },
      {
        "number": "3",
        "name": "I1",
        "type": "input",
        "description": "Data input I1; one of eight binary inputs to the multiplexer."
      },
      {
        "number": "4",
        "name": "I0",
        "type": "input",
        "description": "Data input I0; one of eight binary inputs to the multiplexer."
      },
      {
        "number": "5",
        "name": "Y",
        "type": "output",
        "description": "Multiplexer output; selected input is routed to this output; forced LOW when E is HIGH."
      },
      {
        "number": "6",
        "name": "Y̅",
        "type": "output",
        "description": "Complementary multiplexer output; complement of Y output; forced HIGH when E is HIGH."
      },
      {
        "number": "7",
        "name": "E",
        "type": "input",
        "description": "Enable input (active LOW); when HIGH forces Y LOW and Y̅ HIGH regardless of data inputs."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground; 0 V reference."
      },
      {
        "number": "9",
        "name": "S2",
        "type": "input",
        "description": "Common data select input S2 (most significant bit); selects which of the eight inputs routes to output Y."
      },
      {
        "number": "10",
        "name": "S1",
        "type": "input",
        "description": "Common data select input S1 (middle bit); selects which of the eight inputs routes to output Y."
      },
      {
        "number": "11",
        "name": "S0",
        "type": "input",
        "description": "Common data select input S0 (least significant bit); selects which of the eight inputs routes to output Y."
      },
      {
        "number": "12",
        "name": "I7",
        "type": "input",
        "description": "Data input I7; one of eight binary inputs to the multiplexer."
      },
      {
        "number": "13",
        "name": "I6",
        "type": "input",
        "description": "Data input I6; one of eight binary inputs to the multiplexer."
      },
      {
        "number": "14",
        "name": "I5",
        "type": "input",
        "description": "Data input I5; one of eight binary inputs to the multiplexer."
      },
      {
        "number": "15",
        "name": "I4",
        "type": "input",
        "description": "Data input I4; one of eight binary inputs to the multiplexer."
      },
      {
        "number": "16",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage; operating range 2.0 V to 6.0 V per recommended operating conditions."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.2",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.2",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-4-6",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 16,
        "cost_usd": 0.1953,
        "at": "2026-09-17T18:09:24"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586193211618836480",
        "pages": 16,
        "sha256": "b5f7855f22c4bb88",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "74hc151d.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          9.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "74hc151d-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          9.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "8bda21da748fdb421564886c305a79ef4d81c6494245ac00c3b2d495132decdb",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}