SN74F109DR

{
  "slug": "sn74f109dr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Flip Flops, SOIC-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "logic",
    "sn74f109dr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sn74f109dr.kicad_sym",
    "sn74f109dr.kicad_mod",
    "sn74f109dr.glb",
    "sn74f109dr.step",
    "sn74f109dr.lbr",
    "docs/hero.png",
    "docs/sn74f109dr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sn74f109dr-hero.glb",
    "sn74f109dr-hero.overlay.json"
  ],
  "component": {
    "mpn": "SN74F109DR",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-16",
    "pin_count": 16,
    "category": "Logic",
    "subcategory": "Flip Flops",
    "datasheet": "https://www.ti.com/lit/ds/symlink/sn74f109.pdf",
    "parts": {
      "symbol": "sn74f109dr.kicad_sym",
      "footprint": "sn74f109dr.kicad_mod",
      "model_3d": "sn74f109dr-hero.glb",
      "model_3d_plain": "sn74f109dr.glb",
      "model_3d_step": "sn74f109dr-etched.step",
      "model_3d_step_plain": "sn74f109dr.step",
      "lbr": "sn74f109dr.lbr"
    },
    "distributor_links": {
      "lcsc": 2677767,
      "digikey": "296-36974-2-ND",
      "mouser": "595-SN74F109DR"
    },
    "distributor_check": {
      "checked_at": "2026-10-05T18:57:49Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-36974-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-SN74F109DR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1CLR",
        "type": "input",
        "description": "Active-low clear input of flip-flop 1; a low level resets the outputs regardless of the other inputs."
      },
      {
        "number": "2",
        "name": "1J",
        "type": "input",
        "description": "J data input of flip-flop 1, transferred to the outputs on the positive-going clock edge."
      },
      {
        "number": "3",
        "name": "1K",
        "type": "input",
        "description": "K data input of flip-flop 1, transferred to the outputs on the positive-going clock edge."
      },
      {
        "number": "4",
        "name": "1CLK",
        "type": "input",
        "description": "Clock input of flip-flop 1, positive-edge triggered."
      },
      {
        "number": "5",
        "name": "1PRE",
        "type": "input",
        "description": "Active-low preset input of flip-flop 1; a low level sets the outputs regardless of the other inputs."
      },
      {
        "number": "6",
        "name": "1Q",
        "type": "output",
        "description": "True output of flip-flop 1."
      },
      {
        "number": "7",
        "name": "1Q̄",
        "type": "output",
        "description": "Complementary output of flip-flop 1."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "9",
        "name": "2Q̄",
        "type": "output",
        "description": "Complementary output of flip-flop 2."
      },
      {
        "number": "10",
        "name": "2Q",
        "type": "output",
        "description": "True output of flip-flop 2."
      },
      {
        "number": "11",
        "name": "2PRE",
        "type": "input",
        "description": "Active-low preset input of flip-flop 2; a low level sets the outputs regardless of the other inputs."
      },
      {
        "number": "12",
        "name": "2CLK",
        "type": "input",
        "description": "Clock input of flip-flop 2, positive-edge triggered."
      },
      {
        "number": "13",
        "name": "2K",
        "type": "input",
        "description": "K data input of flip-flop 2, transferred to the outputs on the positive-going clock edge."
      },
      {
        "number": "14",
        "name": "2J",
        "type": "input",
        "description": "J data input of flip-flop 2, transferred to the outputs on the positive-going clock edge."
      },
      {
        "number": "15",
        "name": "2CLR",
        "type": "input",
        "description": "Active-low clear input of flip-flop 2; a low level resets the outputs regardless of the other inputs."
      },
      {
        "number": "16",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage, recommended 4.5 V to 5.5 V (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-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin names 7 (1Q̄) and 16 (2Q̄) rendered with Unicode combining overline character to represent compl"
        ],
        "pages_sent": 15,
        "cost_usd": 0.1382,
        "at": "2026-10-05T18:57:33"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/sn74f109.pdf",
        "pages": 15,
        "sha256": "1ae47aecbe483fe2",
        "source_tier": "mfr"
      },
      "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"
    }
  }
}