U74AHC125G-S14-R

{
  "slug": "u74ahc125g-s14-r",
  "version": "0.1.0",
  "type": "component",
  "description": "UTC Unisonic Tech Buffers, Drivers, Receivers, Transceivers, SOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "logic",
    "u74ahc125g-s14-r",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "u74ahc125g-s14-r.kicad_sym",
    "u74ahc125g-s14-r.kicad_mod",
    "u74ahc125g-s14-r.glb",
    "u74ahc125g-s14-r.step",
    "u74ahc125g-s14-r.lbr",
    "docs/hero.png",
    "docs/u74ahc125g-s14-r-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "u74ahc125g-s14-r-hero.glb",
    "u74ahc125g-s14-r-hero.overlay.json",
    "u74ahc125g-s14-r-etched.glb"
  ],
  "component": {
    "mpn": "U74AHC125G-S14-R",
    "manufacturer": "UTC Unisonic Tech",
    "package": "SOP-14",
    "pin_count": 14,
    "category": "Logic",
    "subcategory": "Buffers, Drivers, Receivers, Transceivers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590920004948729856",
    "parts": {
      "symbol": "u74ahc125g-s14-r.kicad_sym",
      "footprint": "u74ahc125g-s14-r.kicad_mod",
      "model_3d": "u74ahc125g-s14-r-hero.glb",
      "model_3d_plain": "u74ahc125g-s14-r-etched.glb",
      "model_3d_step": "u74ahc125g-s14-r-etched.step",
      "model_3d_step_plain": "u74ahc125g-s14-r.step",
      "lbr": "u74ahc125g-s14-r.lbr"
    },
    "distributor_links": {
      "lcsc": "C20623787"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T12:01:38Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1OE",
        "type": "input",
        "description": "Active-low output enable for buffer 1; high puts 1Y in high-impedance state, low passes 1A to 1Y."
      },
      {
        "number": "2",
        "name": "1A",
        "type": "input",
        "description": "Data input of buffer 1, passed non-inverted to 1Y when 1OE is low."
      },
      {
        "number": "3",
        "name": "1Y",
        "type": "tri_state",
        "description": "3-state output of buffer 1, high-impedance when 1OE is high."
      },
      {
        "number": "4",
        "name": "2OE",
        "type": "input",
        "description": "Active-low output enable for buffer 2; high puts 2Y in high-impedance state, low passes 2A to 2Y."
      },
      {
        "number": "5",
        "name": "2A",
        "type": "input",
        "description": "Data input of buffer 2, passed non-inverted to 2Y when 2OE is low."
      },
      {
        "number": "6",
        "name": "2Y",
        "type": "tri_state",
        "description": "3-state output of buffer 2, high-impedance when 2OE is high."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin."
      },
      {
        "number": "8",
        "name": "3Y",
        "type": "tri_state",
        "description": "3-state output of buffer 3, high-impedance when 3OE is high."
      },
      {
        "number": "9",
        "name": "3A",
        "type": "input",
        "description": "Data input of buffer 3, passed non-inverted to 3Y when 3OE is low."
      },
      {
        "number": "10",
        "name": "3OE",
        "type": "input",
        "description": "Active-low output enable for buffer 3; high puts 3Y in high-impedance state, low passes 3A to 3Y."
      },
      {
        "number": "11",
        "name": "4Y",
        "type": "tri_state",
        "description": "3-state output of buffer 4, high-impedance when 4OE is high."
      },
      {
        "number": "12",
        "name": "4A",
        "type": "input",
        "description": "Data input of buffer 4, passed non-inverted to 4Y when 4OE is low."
      },
      {
        "number": "13",
        "name": "4OE",
        "type": "input",
        "description": "Active-low output enable for buffer 4; high puts 4Y in high-impedance state, low passes 4A to 4Y."
      },
      {
        "number": "14",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage pin, recommended operating range 2V to 5.5V (absolute max 7V)."
      }
    ],
    "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": [
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 7,
        "cost_usd": 0.2557,
        "at": "2026-10-18T11:59:13"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590920004948729856",
        "pages": 7,
        "sha256": "b00f595425e62b0a",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 14,
        "described": 14,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "u74ahc125g-s14-r.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          8.7,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3b9a775da256c8afcc28dcddfbc2eb3f266107fe61ce8446d96f2c52b6f44a70",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "u74ahc125g-s14-r-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          8.7,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "835cd9b8c893c6490b6ef06b431864b198df33a19db6b5c3f031533320d08c09",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}