main
Ray cd74ac151m96: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding) 1d98ee4
{
  "slug": "cd74ac151m96",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Signal Switches, Multiplexers, Decoders, SOIC-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "logic",
    "cd74ac151m96",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cd74ac151m96.kicad_sym",
    "cd74ac151m96.kicad_mod",
    "cd74ac151m96.glb",
    "cd74ac151m96.step",
    "cd74ac151m96.lbr",
    "docs/hero.png",
    "docs/cd74ac151m96-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "component": {
    "mpn": "CD74AC151M96",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-16",
    "pin_count": 16,
    "category": "Logic",
    "subcategory": "Signal Switches, Multiplexers, Decoders",
    "datasheet": "https://www.ti.com/cn/lit/gpn/cd74ac151",
    "parts": {
      "symbol": "cd74ac151m96.kicad_sym",
      "footprint": "cd74ac151m96.kicad_mod",
      "model_3d": "cd74ac151m96-etched.glb",
      "model_3d_plain": "cd74ac151m96.glb",
      "model_3d_step": "cd74ac151m96-etched.step",
      "model_3d_step_plain": "cd74ac151m96.step",
      "lbr": "cd74ac151m96.lbr"
    },
    "distributor_links": {
      "lcsc": "C2674544",
      "digikey": "296-4228-2-ND",
      "mouser": "595-CD74AC151M96"
    },
    "distributor_check": {
      "checked_at": "2026-09-27T14:54:55Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-4228-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-CD74AC151M96",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "D3",
        "type": "input",
        "description": "Data input 3; selected when address bits CBA equal 011 and G is low."
      },
      {
        "number": "2",
        "name": "D2",
        "type": "input",
        "description": "Data input 2; selected when address bits CBA equal 010 and G is low."
      },
      {
        "number": "3",
        "name": "D1",
        "type": "input",
        "description": "Data input 1; selected when address bits CBA equal 001 and G is low."
      },
      {
        "number": "4",
        "name": "D0",
        "type": "input",
        "description": "Data input 0; selected when address bits CBA equal 000 and G is low."
      },
      {
        "number": "5",
        "name": "Y",
        "type": "output",
        "description": "Data output; equals selected input when G is low, forced low when G is high."
      },
      {
        "number": "6",
        "name": "W",
        "type": "output",
        "description": "Inverted data output; complementary to Y output regardless of G logic level."
      },
      {
        "number": "7",
        "name": "G",
        "type": "input",
        "description": "Active-low output enable; forces Y low and W high when asserted high."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground; electrical reference for all logic signals."
      },
      {
        "number": "9",
        "name": "C",
        "type": "input",
        "description": "Address select bit C; MSB of the 3-bit multiplexer address selector."
      },
      {
        "number": "10",
        "name": "B",
        "type": "input",
        "description": "Address select bit B; middle bit of the 3-bit multiplexer address selector."
      },
      {
        "number": "11",
        "name": "A",
        "type": "input",
        "description": "Address select bit A; LSB of the 3-bit multiplexer address selector."
      },
      {
        "number": "12",
        "name": "D7",
        "type": "input",
        "description": "Data input 7; selected when address bits CBA equal 111 and G is low."
      },
      {
        "number": "13",
        "name": "D6",
        "type": "input",
        "description": "Data input 6; selected when address bits CBA equal 110 and G is low."
      },
      {
        "number": "14",
        "name": "D5",
        "type": "input",
        "description": "Data input 5; selected when address bits CBA equal 101 and G is low."
      },
      {
        "number": "15",
        "name": "D4",
        "type": "input",
        "description": "Data input 4; selected when address bits CBA equal 100 and G is low."
      },
      {
        "number": "16",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive power supply; recommended operating range 1.5V to 5.5V."
      }
    ],
    "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": 35,
        "cost_usd": 0.2689,
        "at": "2026-09-27T14:54:37"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/cd74ac151",
        "pages": 35,
        "sha256": "67092258193ac4ed",
        "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": "cd74ac151m96.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": "cd74ac151m96-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": "e292ee53281fe47b4a052d8215c82daf469bf0fe1c0c77bf2e29cbbb6514c832",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}