main
Ray Set visibility: public 5e58644 13d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "sn74hc47n",
  "title": "SN74HC47N",
  "brief": "XBLW LED Drivers, DIP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "led drivers",
    "sn74hc47n",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "SN74HC47N",
    "manufacturer": "XBLW",
    "package": "DIP-16",
    "pin_count": 16,
    "category": "LED Drivers",
    "subcategory": "LED Drivers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8602767395568574464",
    "parts": {
      "symbol": "sn74hc47n.kicad_sym",
      "footprint": "sn74hc47n.kicad_mod",
      "model_3d": "sn74hc47n-hero.glb",
      "model_3d_plain": "sn74hc47n-etched.glb",
      "model_3d_step": "sn74hc47n-etched.step",
      "model_3d_step_plain": "sn74hc47n.step",
      "lbr": "sn74hc47n.lbr"
    },
    "distributor_links": {
      "lcsc": "C19708132"
    },
    "distributor_check": {
      "checked_at": "2026-10-13T18:56:40Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "B",
        "type": "input",
        "description": "Data input B of the BCD code (weight 2)."
      },
      {
        "number": "2",
        "name": "C",
        "type": "input",
        "description": "Data input C of the BCD code (weight 4)."
      },
      {
        "number": "3",
        "name": "LT",
        "type": "input",
        "description": "Active-low lamp test input; when low with BI/RBO open or high, all segment outputs are on."
      },
      {
        "number": "4",
        "name": "BI/RBO",
        "type": "bidirectional",
        "description": "Blanking input/ripple-blanking output; must be open or high for output functions 0 through 15, a low level applied turns all segment outputs off, and RBO goes low when ripple blanking occurs."
      },
      {
        "number": "5",
        "name": "RBI",
        "type": "input",
        "description": "Active-low ripple blanking input; must be open or high if blanking of a decimal zero is not desired."
      },
      {
        "number": "6",
        "name": "D",
        "type": "input",
        "description": "Data input D of the BCD code (weight 8)."
      },
      {
        "number": "7",
        "name": "A",
        "type": "input",
        "description": "Data input A of the BCD code (weight 1)."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground (0V)."
      },
      {
        "number": "9",
        "name": "e",
        "type": "output",
        "description": "Active-low data output for segment e."
      },
      {
        "number": "10",
        "name": "d",
        "type": "output",
        "description": "Active-low data output for segment d."
      },
      {
        "number": "11",
        "name": "c",
        "type": "output",
        "description": "Active-low data output for segment c."
      },
      {
        "number": "12",
        "name": "b",
        "type": "output",
        "description": "Active-low data output for segment b."
      },
      {
        "number": "13",
        "name": "a",
        "type": "output",
        "description": "Active-low data output for segment a."
      },
      {
        "number": "14",
        "name": "g",
        "type": "output",
        "description": "Active-low data output for segment g."
      },
      {
        "number": "15",
        "name": "f",
        "type": "output",
        "description": "Active-low data output for segment f."
      },
      {
        "number": "16",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage, 2V to 6V."
      }
    ],
    "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": "vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Outputs are listed only as 'data output'; the active-low and open-drain/sink behavior comes from the; Pages 6-12 were not read; no electrical limits for individual pins were taken from them.",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 12,
        "cost_usd": 0.3469,
        "at": "2026-10-13T18:56:16"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8602767395568574464",
        "pages": 13,
        "sha256": "1708661b11ccbdf5",
        "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": "sn74hc47n.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,
          19.177,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "17a30b1f0ab3fd5384a1231e3c63c394888d5b952c542a8c189e023ed3467464",
        "checked": "2026-10-13",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sn74hc47n-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,
          19.177,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "1831b32e4d93521ca5b77d06b4246eca892d4ce355458b034cd0b44ee1b6343e",
        "checked": "2026-10-13",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "XBLW",
      "Package": "DIP-16",
      "Category": "LED Drivers",
      "Pins": "16"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "sn74hc47n"
  ],
  "discovery_pitch": "SN74HC47N (XBLW) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sn74hc47n.kicad_sym",
    "sn74hc47n.kicad_mod",
    "sn74hc47n.glb",
    "sn74hc47n.step",
    "sn74hc47n.lbr",
    "docs/hero.png",
    "docs/sn74hc47n-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sn74hc47n-hero.glb",
    "sn74hc47n-hero.overlay.json",
    "sn74hc47n-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}