74HC151M

{
  "slug": "74hc151m",
  "version": "0.1.0",
  "type": "component",
  "description": "HGSEMI Signal Switches, Multiplexers, Decoders, SOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "logic",
    "74hc151m",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "74hc151m.kicad_sym",
    "74hc151m.kicad_mod",
    "74hc151m.glb",
    "74hc151m.step",
    "74hc151m.lbr",
    "docs/hero.png",
    "docs/74hc151m-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "74hc151m-hero.glb",
    "74hc151m-hero.overlay.json",
    "74hc151m-etched.glb"
  ],
  "component": {
    "mpn": "74HC151M",
    "manufacturer": "HGSEMI",
    "package": "SOP-16",
    "pin_count": 16,
    "category": "Logic",
    "subcategory": "Signal Switches, Multiplexers, Decoders",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603381378092449792",
    "parts": {
      "symbol": "74hc151m.kicad_sym",
      "footprint": "74hc151m.kicad_mod",
      "model_3d": "74hc151m-hero.glb",
      "model_3d_plain": "74hc151m-etched.glb",
      "model_3d_step": "74hc151m-etched.step",
      "model_3d_step_plain": "74hc151m.step",
      "lbr": "74hc151m.lbr"
    },
    "distributor_links": {
      "lcsc": "C22461606"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T06:13:49Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "D3",
        "type": "input",
        "description": "Data input 3, selected when select inputs C B A = L H H."
      },
      {
        "number": "2",
        "name": "D2",
        "type": "input",
        "description": "Data input 2, selected when select inputs C B A = L H L."
      },
      {
        "number": "3",
        "name": "D1",
        "type": "input",
        "description": "Data input 1, selected when select inputs C B A = L L H."
      },
      {
        "number": "4",
        "name": "D0",
        "type": "input",
        "description": "Data input 0, selected when select inputs C B A = L L L."
      },
      {
        "number": "5",
        "name": "Y",
        "type": "output",
        "description": "Non-inverting multiplexer output; goes low when strobe is high."
      },
      {
        "number": "6",
        "name": "W",
        "type": "output",
        "description": "Inverting multiplexer output; goes high when strobe is high."
      },
      {
        "number": "7",
        "name": "ST",
        "type": "input",
        "description": "Active-low strobe input; low transfers selected data to outputs, high forces Y low and W high regardless of data or select inputs."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground, 0 V reference."
      },
      {
        "number": "9",
        "name": "C",
        "type": "input",
        "description": "Select address input C (most significant bit) of the three-bit data selector."
      },
      {
        "number": "10",
        "name": "B",
        "type": "input",
        "description": "Select address input B of the three-bit data selector."
      },
      {
        "number": "11",
        "name": "A",
        "type": "input",
        "description": "Select address input A (least significant bit) of the three-bit data selector."
      },
      {
        "number": "12",
        "name": "D7",
        "type": "input",
        "description": "Data input 7, selected when select inputs C B A = H H H."
      },
      {
        "number": "13",
        "name": "D6",
        "type": "input",
        "description": "Data input 6, selected when select inputs C B A = H H L."
      },
      {
        "number": "14",
        "name": "D5",
        "type": "input",
        "description": "Data input 5, selected when select inputs C B A = H L H."
      },
      {
        "number": "15",
        "name": "D4",
        "type": "input",
        "description": "Data input 4, selected when select inputs C B A = H L L."
      },
      {
        "number": "16",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage, operating range 2.0 to 6.0 V (absolute maximum -0.5 to 7.0 V)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin assignment drawing is shared for DIP-16/SOP-16/TSSOP-16; the SOP-16 pinout is taken from this co",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 11,
        "cost_usd": 0.2576,
        "at": "2026-10-18T06:09:57"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603381378092449792",
        "pages": 11,
        "sha256": "dad25d94844fc833",
        "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": "74hc151m.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": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "74hc151m-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": "70ee907325132e201d47193a1383b11ff91be0cc88394fb4418e316ea94e50d5",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}