SN74HC247DR

{
  "slug": "sn74hc247dr",
  "version": "0.1.0",
  "type": "component",
  "description": "lingxingic LED Drivers, SOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "led drivers",
    "sn74hc247dr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "sn74hc247dr.kicad_sym",
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    "sn74hc247dr.glb",
    "sn74hc247dr.step",
    "sn74hc247dr.lbr",
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    "docs/sn74hc247dr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sn74hc247dr-hero.glb",
    "sn74hc247dr-hero.overlay.json",
    "sn74hc247dr-etched.glb"
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  "component": {
    "mpn": "SN74HC247DR",
    "manufacturer": "lingxingic",
    "package": "SOP-16",
    "pin_count": 16,
    "category": "LED Drivers",
    "subcategory": "LED Drivers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603363537716989952",
    "parts": {
      "symbol": "sn74hc247dr.kicad_sym",
      "footprint": "sn74hc247dr.kicad_mod",
      "model_3d": "sn74hc247dr-hero.glb",
      "model_3d_plain": "sn74hc247dr-etched.glb",
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      "model_3d_step_plain": "sn74hc247dr.step",
      "lbr": "sn74hc247dr.lbr"
    },
    "distributor_links": {
      "lcsc": "C24833610"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T05:33:30Z",
      "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": "BCD data input B; it is one of the four binary inputs (A, B, C, D) that select the decoded digit shown on the seven-segment outputs."
      },
      {
        "number": "2",
        "name": "C",
        "type": "input",
        "description": "BCD data input C; it is one of the four binary inputs (A, B, C, D) that select the decoded digit shown on the seven-segment outputs."
      },
      {
        "number": "3",
        "name": "LT",
        "type": "input",
        "description": "Lamp test input; when it is held low while BI/RBO is open or high, all segment outputs are turned on regardless of the data inputs."
      },
      {
        "number": "4",
        "name": "BI/RBO",
        "type": "bidirectional",
        "description": "Blanking input / ripple blanking output; a low level applied to BI turns off all segment outputs regardless of the other inputs, and RBO goes low when RBI and A-D are low with LT high."
      },
      {
        "number": "5",
        "name": "RBI",
        "type": "input",
        "description": "Ripple blanking input; it must be open or high if blanking of a decimal zero is not desired."
      },
      {
        "number": "6",
        "name": "D",
        "type": "input",
        "description": "BCD data input D (most significant bit); it is one of the four binary inputs (A, B, C, D) that select the decoded digit shown on the seven-segment outputs."
      },
      {
        "number": "7",
        "name": "A",
        "type": "input",
        "description": "BCD data input A (least significant bit); it is one of the four binary inputs (A, B, C, D) that select the decoded digit shown on the seven-segment outputs."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground (0 V) reference for all voltages; absolute maximum ratings and electrical limits are referenced to GND."
      },
      {
        "number": "9",
        "name": "e",
        "type": "output",
        "description": "Active-low segment e output for driving common-anode LEDs; absolute maximum output current is ±25 mA."
      },
      {
        "number": "10",
        "name": "d",
        "type": "output",
        "description": "Active-low segment d output for driving common-anode LEDs; absolute maximum output current is ±25 mA."
      },
      {
        "number": "11",
        "name": "c",
        "type": "output",
        "description": "Active-low segment c output for driving common-anode LEDs; absolute maximum output current is ±25 mA."
      },
      {
        "number": "12",
        "name": "b",
        "type": "output",
        "description": "Active-low segment b output for driving common-anode LEDs; absolute maximum output current is ±25 mA."
      },
      {
        "number": "13",
        "name": "a",
        "type": "output",
        "description": "Active-low segment a output for driving common-anode LEDs; absolute maximum output current is ±25 mA."
      },
      {
        "number": "14",
        "name": "g",
        "type": "output",
        "description": "Active-low segment g output for driving common-anode LEDs; absolute maximum output current is ±25 mA."
      },
      {
        "number": "15",
        "name": "f",
        "type": "output",
        "description": "Active-low segment f output for driving common-anode LEDs; absolute maximum output current is ±25 mA."
      },
      {
        "number": "16",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage; recommended 2.0 V to 6.0 V for SN74HC247 and 4.5 V to 5.5 V for HCT247, absolute maximum -0.5 V to +7 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: The datasheet pin description table (page 7) is written for the package generically and does not pri; The output pins (9-15) are described as active-low segment outputs in the General Description. The d; The BI/RBO pin is typed as bidirectional because the datasheet names it as both a blanking input and"
        ],
        "pages_sent": 16,
        "cost_usd": 0.0623,
        "at": "2026-10-19T05:31:21"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603363537716989952",
        "pages": 16,
        "sha256": "19e630673785bee1",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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      "footprint": "viewers/footprint.html"
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        "seat": "z = 0",
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
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        "checked": "2026-10-19",
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        "sha256": "e3ad8355e3d5affd0bb103aa54059f1a337f2c61eec398367d42dc71e36cc7ef",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  }
}