SN74AHC125QPWR

{
  "slug": "sn74ahc125qpwr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Buffers, Drivers, Receivers, Transceivers, TSSOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "logic",
    "sn74ahc125qpwr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sn74ahc125qpwr.kicad_sym",
    "sn74ahc125qpwr.kicad_mod",
    "sn74ahc125qpwr.glb",
    "sn74ahc125qpwr.step",
    "sn74ahc125qpwr.lbr",
    "docs/hero.png",
    "docs/sn74ahc125qpwr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sn74ahc125qpwr-hero.glb",
    "sn74ahc125qpwr-hero.overlay.json",
    "sn74ahc125qpwr-etched.glb"
  ],
  "component": {
    "mpn": "SN74AHC125QPWR",
    "manufacturer": "Texas Instruments",
    "package": "TSSOP-14",
    "pin_count": 14,
    "category": "Logic",
    "subcategory": "Buffers, Drivers, Receivers, Transceivers",
    "datasheet": "https://www.ti.com/lit/ds/symlink/sn74ahc125q.pdf",
    "parts": {
      "symbol": "sn74ahc125qpwr.kicad_sym",
      "footprint": "sn74ahc125qpwr.kicad_mod",
      "model_3d": "sn74ahc125qpwr-hero.glb",
      "model_3d_plain": "sn74ahc125qpwr-etched.glb",
      "model_3d_step": "sn74ahc125qpwr-etched.step",
      "model_3d_step_plain": "sn74ahc125qpwr.step",
      "lbr": "sn74ahc125qpwr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2675790",
      "digikey": "296-38217-2-ND",
      "mouser": "595-SN74AHC125QPWR"
    },
    "distributor_check": {
      "checked_at": "2026-11-05T23:24:45Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-38217-2-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-SN74AHC125QPWR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1OE",
        "type": "input",
        "description": "Active-low output enable for buffer 1; when OE is high, output 1Y is set to high impedance."
      },
      {
        "number": "2",
        "name": "1A",
        "type": "input",
        "description": "Data input of buffer 1, passed to output 1Y when 1OE is low."
      },
      {
        "number": "3",
        "name": "1Y",
        "type": "output",
        "description": "Three-state output of buffer 1, which is high impedance when 1OE is high."
      },
      {
        "number": "4",
        "name": "2OE",
        "type": "input",
        "description": "Active-low output enable for buffer 2; when OE is high, output 2Y is set to high impedance."
      },
      {
        "number": "5",
        "name": "2A",
        "type": "input",
        "description": "Data input of buffer 2, passed to output 2Y when 2OE is low."
      },
      {
        "number": "6",
        "name": "2Y",
        "type": "output",
        "description": "Three-state output of buffer 2, which is high impedance when 2OE is high."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "8",
        "name": "3OE",
        "type": "input",
        "description": "Active-low output enable for buffer 3; when OE is high, output 3Y is set to high impedance."
      },
      {
        "number": "9",
        "name": "3A",
        "type": "input",
        "description": "Data input of buffer 3, passed to output 3Y when 3OE is low."
      },
      {
        "number": "10",
        "name": "3Y",
        "type": "output",
        "description": "Three-state output of buffer 3, which is high impedance when 3OE is high."
      },
      {
        "number": "11",
        "name": "4Y",
        "type": "output",
        "description": "Three-state output of buffer 4, which is high impedance when 4OE is high."
      },
      {
        "number": "12",
        "name": "4A",
        "type": "input",
        "description": "Data input of buffer 4, passed to output 4Y when 4OE is low."
      },
      {
        "number": "13",
        "name": "4OE",
        "type": "input",
        "description": "Active-low output enable for buffer 4; when OE is high, output 4Y is set to high impedance."
      },
      {
        "number": "14",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage, 2 V to 5.5 V per the recommended operating conditions."
      }
    ],
    "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: Table 3-1 prints pin 3Y (pin 10) as type I, but its description and the footnote define it as an out"
        ],
        "pages_sent": 17,
        "cost_usd": 0.0219,
        "at": "2026-11-05T23:24:37"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/sn74ahc125q.pdf",
        "pages": 17,
        "sha256": "ff00b2e5f9f26ab1",
        "source_tier": "mfr"
      },
      "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": "sn74ahc125qpwr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5.0,
          1.0
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3ee5786aae56190997aa793ba3cfc003fd616782770e29719b4562f012982245",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sn74ahc125qpwr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          1.0
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "4fb02bcb225fb9ba26932d1bc2cdc4a277e25926b6124c1dd61512d4513e8be7",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}