74HC574TS

{
  "slug": "74hc574ts",
  "version": "0.1.0",
  "type": "component",
  "description": "GR Flip Flops, SOIC-20-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "logic",
    "74hc574ts",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "74hc574ts.kicad_sym",
    "74hc574ts.kicad_mod",
    "74hc574ts.glb",
    "74hc574ts.step",
    "74hc574ts.lbr",
    "docs/hero.png",
    "docs/74hc574ts-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "74hc574ts-hero.glb",
    "74hc574ts-hero.overlay.json",
    "74hc574ts-etched.glb"
  ],
  "component": {
    "mpn": "74HC574TS",
    "manufacturer": "GR",
    "package": "SOIC-20-300mil",
    "pin_count": 20,
    "category": "Logic",
    "subcategory": "Flip Flops",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8597542361492963328",
    "parts": {
      "symbol": "74hc574ts.kicad_sym",
      "footprint": "74hc574ts.kicad_mod",
      "model_3d": "74hc574ts-hero.glb",
      "model_3d_plain": "74hc574ts-etched.glb",
      "model_3d_step": "74hc574ts-etched.step",
      "model_3d_step_plain": "74hc574ts.step",
      "lbr": "74hc574ts.lbr"
    },
    "distributor_links": {
      "lcsc": "C19818859"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T09:13:10Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "error"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OE#",
        "type": "input",
        "description": "Active-low output enable: when low all Q outputs are push-pull, and when high all Q outputs are forced to high impedance (Z)."
      },
      {
        "number": "2",
        "name": "1D",
        "type": "input",
        "description": "Data input 1D, loaded into the flip-flop on the rising edge of CLK; input current is limited to ≤1 µA at VCC = 6 V and input voltage must stay between -0.5 V and VCC+0.5 V."
      },
      {
        "number": "3",
        "name": "2D",
        "type": "input",
        "description": "Data input 2D, loaded into the flip-flop on the rising edge of CLK; input current is limited to ≤1 µA at VCC = 6 V and input voltage must stay between -0.5 V and VCC+0.5 V."
      },
      {
        "number": "4",
        "name": "3D",
        "type": "input",
        "description": "Data input 3D, loaded into the flip-flop on the rising edge of CLK; input current is limited to ≤1 µA at VCC = 6 V and input voltage must stay between -0.5 V and VCC+0.5 V."
      },
      {
        "number": "5",
        "name": "4D",
        "type": "input",
        "description": "Data input 4D, loaded into the flip-flop on the rising edge of CLK; input current is limited to ≤1 µA at VCC = 6 V and input voltage must stay between -0.5 V and VCC+0.5 V."
      },
      {
        "number": "6",
        "name": "5D",
        "type": "input",
        "description": "Data input 5D, loaded into the flip-flop on the rising edge of CLK; input current is limited to ≤1 µA at VCC = 6 V and input voltage must stay between -0.5 V and VCC+0.5 V."
      },
      {
        "number": "7",
        "name": "6D",
        "type": "input",
        "description": "Data input 6D, loaded into the flip-flop on the rising edge of CLK; input current is limited to ≤1 µA at VCC = 6 V and input voltage must stay between -0.5 V and VCC+0.5 V."
      },
      {
        "number": "8",
        "name": "7D",
        "type": "input",
        "description": "Data input 7D, loaded into the flip-flop on the rising edge of CLK; input current is limited to ≤1 µA at VCC = 6 V and input voltage must stay between -0.5 V and VCC+0.5 V."
      },
      {
        "number": "9",
        "name": "8D",
        "type": "input",
        "description": "Data input 8D, loaded into the flip-flop on the rising edge of CLK; input current is limited to ≤1 µA at VCC = 6 V and input voltage must stay between -0.5 V and VCC+0.5 V."
      },
      {
        "number": "10",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference; continuous current through GND is limited to ±70 mA (absolute maximum)."
      },
      {
        "number": "11",
        "name": "CLK",
        "type": "input",
        "description": "Clock input; the D data are captured on the rising edge (the timing table labels this signal LE)."
      },
      {
        "number": "12",
        "name": "8Q",
        "type": "tri_state",
        "description": "Three-state output 8Q, push-pull when OE# is low and high impedance when OE# is high; continuous output current is limited to ±35 mA."
      },
      {
        "number": "13",
        "name": "7Q",
        "type": "tri_state",
        "description": "Three-state output 7Q, push-pull when OE# is low and high impedance when OE# is high; continuous output current is limited to ±35 mA."
      },
      {
        "number": "14",
        "name": "6Q",
        "type": "tri_state",
        "description": "Three-state output 6Q, push-pull when OE# is low and high impedance when OE# is high; continuous output current is limited to ±35 mA."
      },
      {
        "number": "15",
        "name": "5Q",
        "type": "tri_state",
        "description": "Three-state output 5Q, push-pull when OE# is low and high impedance when OE# is high; continuous output current is limited to ±35 mA."
      },
      {
        "number": "16",
        "name": "4Q",
        "type": "tri_state",
        "description": "Three-state output 4Q, push-pull when OE# is low and high impedance when OE# is high; continuous output current is limited to ±35 mA."
      },
      {
        "number": "17",
        "name": "3Q",
        "type": "tri_state",
        "description": "Three-state output 3Q, push-pull when OE# is low and high impedance when OE# is high; continuous output current is limited to ±35 mA."
      },
      {
        "number": "18",
        "name": "2Q",
        "type": "tri_state",
        "description": "Three-state output 2Q, push-pull when OE# is low and high impedance when OE# is high; continuous output current is limited to ±35 mA."
      },
      {
        "number": "19",
        "name": "1Q",
        "type": "tri_state",
        "description": "Three-state output 1Q, push-pull when OE# is low and high impedance when OE# is high; continuous output current is limited to ±35 mA."
      },
      {
        "number": "20",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply; recommended operating range is 2 V to 6 V (absolute maximum -0.5 V to 6.5 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: Package mismatch: the hint says SOIC-20-300mil, but the MPN suffix 'TS' maps to TSSOP20 per the data; Pin 1 is printed as 'OE###' in the datasheet text; the overbar is rendered as garbled characters, so; Pin 11 is labelled CLK in the pin table and truth table, but the function text and the AC timing tab"
        ],
        "pages_sent": 6,
        "cost_usd": 0.042,
        "at": "2026-10-19T09:11:02"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8597542361492963328",
        "pages": 6,
        "sha256": "7a4a400c8273f447",
        "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": "74hc574ts.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": "74hc574ts-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": "61a84c50a2d97fea6c1a07279c15b2d268dd640ad4a4daf1a6562d83a67ce986",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}