main
Ray Publish 0.1.0 2145773 6h ago
{
  "slug": "sn74hc126n",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Buffers, Drivers, Receivers, Transceivers, DIP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "logic",
    "sn74hc126n",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sn74hc126n.kicad_sym",
    "sn74hc126n.kicad_mod",
    "sn74hc126n.glb",
    "sn74hc126n.step",
    "sn74hc126n.lbr",
    "docs/hero.png",
    "docs/sn74hc126n-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sn74hc126n-hero.glb",
    "sn74hc126n-hero.overlay.json",
    "sn74hc126n-etched.glb"
  ],
  "component": {
    "mpn": "SN74HC126N",
    "manufacturer": "Texas Instruments",
    "package": "DIP-14",
    "pin_count": 14,
    "category": "Logic",
    "subcategory": "Buffers, Drivers, Receivers, Transceivers",
    "datasheet": "https://www.ti.com/lit/ds/symlink/sn74hc126.pdf",
    "parts": {
      "symbol": "sn74hc126n.kicad_sym",
      "footprint": "sn74hc126n.kicad_mod",
      "model_3d": "sn74hc126n-hero.glb",
      "model_3d_plain": "sn74hc126n-etched.glb",
      "model_3d_step": "sn74hc126n-etched.step",
      "model_3d_step_plain": "sn74hc126n.step",
      "lbr": "sn74hc126n.lbr"
    },
    "distributor_links": {
      "lcsc": "C10422",
      "digikey": "2156-SN74HC126N-ND",
      "mouser": "595-SN74HC126N"
    },
    "distributor_check": {
      "checked_at": "2026-11-05T23:53:28Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "2156-SN74HC126N-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-SN74HC126N",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1OE",
        "type": "input",
        "description": "Input for channel 1 output enable."
      },
      {
        "number": "2",
        "name": "1A",
        "type": "input",
        "description": "Input A for channel 1 buffer; each gate performs Y = A in positive logic."
      },
      {
        "number": "3",
        "name": "1Y",
        "type": "output",
        "description": "Output Y of channel 1 buffer with 3-state output."
      },
      {
        "number": "4",
        "name": "2OE",
        "type": "input",
        "description": "Input for channel 2 output enable."
      },
      {
        "number": "5",
        "name": "2A",
        "type": "input",
        "description": "Input A for channel 2 buffer; each gate performs Y = A in positive logic."
      },
      {
        "number": "6",
        "name": "2Y",
        "type": "output",
        "description": "Output Y of channel 2 buffer with 3-state output."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "8",
        "name": "3Y",
        "type": "output",
        "description": "Output Y of channel 3 buffer with 3-state output."
      },
      {
        "number": "9",
        "name": "3A",
        "type": "input",
        "description": "Input A for channel 3 buffer; each gate performs Y = A in positive logic."
      },
      {
        "number": "10",
        "name": "3OE",
        "type": "input",
        "description": "Input for channel 3 output enable."
      },
      {
        "number": "11",
        "name": "4Y",
        "type": "output",
        "description": "Output Y of channel 4 buffer with 3-state output."
      },
      {
        "number": "12",
        "name": "4A",
        "type": "input",
        "description": "Input A for channel 4 buffer; each gate performs Y = A in positive logic."
      },
      {
        "number": "13",
        "name": "4OE",
        "type": "input",
        "description": "Input for channel 4 output enable."
      },
      {
        "number": "14",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply; recommended supply range is 2 V to 6 V."
      }
    ],
    "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: Pin numbers are taken from the D, DB, N, NS, PW, J column of the Pin Functions table (page 3), which"
        ],
        "pages_sent": 8,
        "cost_usd": 0.0121,
        "at": "2026-11-05T23:53:17"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/sn74hc126.pdf",
        "pages": 37,
        "sha256": "8941286f02eac3b6",
        "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": "sn74hc126n.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.874,
          19.05,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3dae072a95c64bee0d1e58be8e75383639f5017ab982de1749d05808a4eed058",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sn74hc126n-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.874,
          19.05,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "198b649946bae8d8055e9d17d0ae19feb61faa0b5e6fd70b4ae0f847f69415db",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}