SN74F574NSR

{
  "slug": "sn74f574nsr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Flip Flops, SOP-20-208mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "logic",
    "sn74f574nsr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sn74f574nsr.kicad_sym",
    "sn74f574nsr.kicad_mod",
    "sn74f574nsr.glb",
    "sn74f574nsr.step",
    "sn74f574nsr.lbr",
    "docs/hero.png",
    "docs/sn74f574nsr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sn74f574nsr-hero.glb",
    "sn74f574nsr-hero.overlay.json"
  ],
  "component": {
    "mpn": "SN74F574NSR",
    "manufacturer": "Texas Instruments",
    "package": "SOP-20-208mil",
    "pin_count": 20,
    "category": "Logic",
    "subcategory": "Flip Flops",
    "datasheet": "https://www.ti.com/cn/lit/gpn/sn74f574",
    "parts": {
      "symbol": "sn74f574nsr.kicad_sym",
      "footprint": "sn74f574nsr.kicad_mod",
      "model_3d": "sn74f574nsr-hero.glb",
      "model_3d_plain": "sn74f574nsr.glb",
      "model_3d_step": "sn74f574nsr-etched.step",
      "model_3d_step_plain": "sn74f574nsr.step",
      "lbr": "sn74f574nsr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2677763",
      "digikey": "296-38227-2-ND",
      "mouser": "595-SN74F574NSR"
    },
    "distributor_check": {
      "checked_at": "2026-10-07T20:46:51Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-38227-2-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-SN74F574NSR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OE",
        "type": "input",
        "description": "Output Enable; asserts low to enable 3-state outputs, high for high-impedance state"
      },
      {
        "number": "2",
        "name": "1D",
        "type": "input",
        "description": "Data input for flip-flop 1; sampled on rising edge of clock"
      },
      {
        "number": "3",
        "name": "2D",
        "type": "input",
        "description": "Data input for flip-flop 2; sampled on rising edge of clock"
      },
      {
        "number": "4",
        "name": "3D",
        "type": "input",
        "description": "Data input for flip-flop 3; sampled on rising edge of clock"
      },
      {
        "number": "5",
        "name": "4D",
        "type": "input",
        "description": "Data input for flip-flop 4; sampled on rising edge of clock"
      },
      {
        "number": "6",
        "name": "5D",
        "type": "input",
        "description": "Data input for flip-flop 5; sampled on rising edge of clock"
      },
      {
        "number": "7",
        "name": "6D",
        "type": "input",
        "description": "Data input for flip-flop 6; sampled on rising edge of clock"
      },
      {
        "number": "8",
        "name": "7D",
        "type": "input",
        "description": "Data input for flip-flop 7; sampled on rising edge of clock"
      },
      {
        "number": "9",
        "name": "8D",
        "type": "input",
        "description": "Data input for flip-flop 8; sampled on rising edge of clock"
      },
      {
        "number": "10",
        "name": "GND",
        "type": "power_in",
        "description": "Ground"
      },
      {
        "number": "11",
        "name": "CLK",
        "type": "input",
        "description": "Clock input; positive edge-triggered, latches data inputs to Q outputs on rising edge"
      },
      {
        "number": "12",
        "name": "8Q",
        "type": "tri_state",
        "description": "Data output for flip-flop 8; 3-state tri-state output, high-impedance when OE high"
      },
      {
        "number": "13",
        "name": "7Q",
        "type": "tri_state",
        "description": "Data output for flip-flop 7; 3-state tri-state output, high-impedance when OE high"
      },
      {
        "number": "14",
        "name": "6Q",
        "type": "tri_state",
        "description": "Data output for flip-flop 6; 3-state tri-state output, high-impedance when OE high"
      },
      {
        "number": "15",
        "name": "5Q",
        "type": "tri_state",
        "description": "Data output for flip-flop 5; 3-state tri-state output, high-impedance when OE high"
      },
      {
        "number": "16",
        "name": "4Q",
        "type": "tri_state",
        "description": "Data output for flip-flop 4; 3-state tri-state output, high-impedance when OE high"
      },
      {
        "number": "17",
        "name": "3Q",
        "type": "tri_state",
        "description": "Data output for flip-flop 3; 3-state tri-state output, high-impedance when OE high"
      },
      {
        "number": "18",
        "name": "2Q",
        "type": "tri_state",
        "description": "Data output for flip-flop 2; 3-state tri-state output, high-impedance when OE high"
      },
      {
        "number": "19",
        "name": "1Q",
        "type": "tri_state",
        "description": "Data output for flip-flop 1; 3-state tri-state output, high-impedance when OE high"
      },
      {
        "number": "20",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage; 4.5 V to 5.5 V nominal 5 V"
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.2",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.2",
        "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: Pinout diagram on PAGE 1 is labeled 'DW OR N PACKAGE' and does not explicitly show NS (SOP) package;"
        ],
        "pages_sent": 15,
        "cost_usd": 0.1967,
        "at": "2026-10-07T20:46:32"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/sn74f574",
        "pages": 15,
        "sha256": "48cf86fb2d60d692",
        "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": "sn74f574nsr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          10.26,
          12.8,
          2.65
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "7b70ecdebe03d3c36150645fe016567764bcd099ad7c4190a371f315a1a94320",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sn74f574nsr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          10.26,
          12.8,
          2.65
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "7aee339cf74c3ee45e6aeb52d508fecf8e932cd467ed73ef33e4b4f5520e254f",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}