74LVC374AD

{
  "slug": "74lvc374ad",
  "version": "0.1.0",
  "type": "component",
  "description": "Nexperia Flip Flops, SOIC-20-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "logic",
    "74lvc374ad",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "74lvc374ad.kicad_sym",
    "74lvc374ad.kicad_mod",
    "74lvc374ad.glb",
    "74lvc374ad.step",
    "74lvc374ad.lbr",
    "docs/hero.png",
    "docs/74lvc374ad-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "74lvc374ad-hero.glb",
    "74lvc374ad-hero.overlay.json",
    "74lvc374ad-etched.glb"
  ],
  "component": {
    "mpn": "74LVC374AD",
    "manufacturer": "Nexperia",
    "package": "SOIC-20-300mil",
    "pin_count": 20,
    "category": "Logic",
    "subcategory": "Flip Flops",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586193948553719808",
    "parts": {
      "symbol": "74lvc374ad.kicad_sym",
      "footprint": "74lvc374ad.kicad_mod",
      "model_3d": "74lvc374ad-hero.glb",
      "model_3d_plain": "74lvc374ad-etched.glb",
      "model_3d_step": "74lvc374ad-etched.step",
      "model_3d_step_plain": "74lvc374ad.step",
      "lbr": "74lvc374ad.lbr"
    },
    "distributor_links": {
      "lcsc": "C139434",
      "mouser": "771-74LVC374AD"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T02:55:36Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": "771-74LVC374AD",
        "status": "found",
        "lifecycle": "End of Life"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OE",
        "type": "input",
        "description": "Active-LOW output enable input; a HIGH level forces the Qn outputs into the high-impedance OFF-state without changing the flip-flop contents."
      },
      {
        "number": "2",
        "name": "Q0",
        "type": "tri_state",
        "description": "3-state flip-flop output 0, which goes high-impedance when OE is HIGH."
      },
      {
        "number": "3",
        "name": "D0",
        "type": "input",
        "description": "Data input 0, stored on the LOW-to-HIGH CP transition when set-up and hold times are met."
      },
      {
        "number": "4",
        "name": "D1",
        "type": "input",
        "description": "Data input 1, stored on the LOW-to-HIGH CP transition when set-up and hold times are met."
      },
      {
        "number": "5",
        "name": "Q1",
        "type": "tri_state",
        "description": "3-state flip-flop output 1, which goes high-impedance when OE is HIGH."
      },
      {
        "number": "6",
        "name": "Q2",
        "type": "tri_state",
        "description": "3-state flip-flop output 2, which goes high-impedance when OE is HIGH."
      },
      {
        "number": "7",
        "name": "D2",
        "type": "input",
        "description": "Data input 2, stored on the LOW-to-HIGH CP transition when set-up and hold times are met."
      },
      {
        "number": "8",
        "name": "D3",
        "type": "input",
        "description": "Data input 3, stored on the LOW-to-HIGH CP transition when set-up and hold times are met."
      },
      {
        "number": "9",
        "name": "Q3",
        "type": "tri_state",
        "description": "3-state flip-flop output 3, which goes high-impedance when OE is HIGH."
      },
      {
        "number": "10",
        "name": "GND",
        "type": "power_in",
        "description": "Ground (0 V) reference for all voltages on the device."
      },
      {
        "number": "11",
        "name": "CP",
        "type": "input",
        "description": "Clock input, edge-triggered on the LOW-to-HIGH transition; the flip-flops store Dn on this edge."
      },
      {
        "number": "12",
        "name": "Q4",
        "type": "tri_state",
        "description": "3-state flip-flop output 4, which goes high-impedance when OE is HIGH."
      },
      {
        "number": "13",
        "name": "D4",
        "type": "input",
        "description": "Data input 4, stored on the LOW-to-HIGH CP transition when set-up and hold times are met."
      },
      {
        "number": "14",
        "name": "D5",
        "type": "input",
        "description": "Data input 5, stored on the LOW-to-HIGH CP transition when set-up and hold times are met."
      },
      {
        "number": "15",
        "name": "Q5",
        "type": "tri_state",
        "description": "3-state flip-flop output 5, which goes high-impedance when OE is HIGH."
      },
      {
        "number": "16",
        "name": "Q6",
        "type": "tri_state",
        "description": "3-state flip-flop output 6, which goes high-impedance when OE is HIGH."
      },
      {
        "number": "17",
        "name": "D6",
        "type": "input",
        "description": "Data input 6, stored on the LOW-to-HIGH CP transition when set-up and hold times are met."
      },
      {
        "number": "18",
        "name": "D7",
        "type": "input",
        "description": "Data input 7, stored on the LOW-to-HIGH CP transition when set-up and hold times are met."
      },
      {
        "number": "19",
        "name": "Q7",
        "type": "tri_state",
        "description": "3-state flip-flop output 7, which goes high-impedance when OE is HIGH."
      },
      {
        "number": "20",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage; recommended operating range is 1.65 V to 3.6 V (functional down to 1.2 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": [],
        "pages_sent": 16,
        "cost_usd": 0.0918,
        "at": "2026-10-19T02:52:27"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586193948553719808",
        "pages": 16,
        "sha256": "6665bcb5e5f9efc6",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 20,
        "described": 20,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "74lvc374ad.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          10.3,
          12.8,
          2.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "59a10b341e6972b31d81802a048060326da627d8b92dcf4263064f4f62ec808e",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "74lvc374ad-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          10.3,
          12.8,
          2.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "be7c1d7f17cc8ae4517d82102642a41121c106b13f4493e34b073268c6c61a81",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}