main
Ray 74hc74pw: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding) 90b627d 28d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "74hc74pw",
  "title": "74HC74PW",
  "brief": "Nexperia Flip Flops, TSSOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "logic",
    "74hc74pw",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "74HC74PW",
    "manufacturer": "Nexperia",
    "package": "TSSOP-14",
    "pin_count": 14,
    "category": "Logic",
    "subcategory": "Flip Flops",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8579711976829665280",
    "parts": {
      "symbol": "74hc74pw.kicad_sym",
      "footprint": "74hc74pw.kicad_mod",
      "model_3d": "74hc74pw-etched.glb",
      "model_3d_plain": "74hc74pw.glb",
      "model_3d_step": "74hc74pw-etched.step",
      "model_3d_step_plain": "74hc74pw.step",
      "model_3d_step_etched": "74hc74pw-etched.step",
      "model_3d_etched": "74hc74pw-etched.glb",
      "lbr": "74hc74pw.lbr"
    },
    "distributor_links": {
      "lcsc": "C5951"
    },
    "pins": [
      {
        "number": "1",
        "name": "1RD",
        "type": "input",
        "description": "Asynchronous reset-direct input (active LOW) for flip-flop 1"
      },
      {
        "number": "2",
        "name": "1D",
        "type": "input",
        "description": "Data input for flip-flop 1"
      },
      {
        "number": "3",
        "name": "1CP",
        "type": "input",
        "description": "Clock input (LOW-to-HIGH, edge-triggered) for flip-flop 1"
      },
      {
        "number": "4",
        "name": "1SD",
        "type": "input",
        "description": "Asynchronous set-direct input (active LOW) for flip-flop 1"
      },
      {
        "number": "5",
        "name": "1Q",
        "type": "output",
        "description": "Q output from flip-flop 1"
      },
      {
        "number": "6",
        "name": "1Q",
        "type": "output",
        "description": "Complement output from flip-flop 1"
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground (0 V)"
      },
      {
        "number": "8",
        "name": "2Q",
        "type": "output",
        "description": "Complement output from flip-flop 2"
      },
      {
        "number": "9",
        "name": "2Q",
        "type": "output",
        "description": "Q output from flip-flop 2"
      },
      {
        "number": "10",
        "name": "2SD",
        "type": "input",
        "description": "Asynchronous set-direct input (active LOW) for flip-flop 2"
      },
      {
        "number": "11",
        "name": "2CP",
        "type": "input",
        "description": "Clock input (LOW-to-HIGH, edge-triggered) for flip-flop 2"
      },
      {
        "number": "12",
        "name": "2D",
        "type": "input",
        "description": "Data input for flip-flop 2"
      },
      {
        "number": "13",
        "name": "2RD",
        "type": "input",
        "description": "Asynchronous reset-direct input (active LOW) for flip-flop 2"
      },
      {
        "number": "14",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage"
      }
    ],
    "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-4-6",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 19,
        "cost_usd": 0.2025,
        "at": "2026-09-17T20:44:23"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8579711976829665280",
        "pages": 19,
        "sha256": "1e4ab9833ba6e6a3",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 14,
        "described": 14,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "74hc74pw.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5.0,
          1.0
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3ee5786aae56190997aa793ba3cfc003fd616782770e29719b4562f012982245",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "74hc74pw-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5.0,
          1.0
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "33f061583f2bf69fe2ac29f9dad4916aa942d6e2b8fb5630bbb99a6795b37140",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Nexperia",
      "Package": "TSSOP-14",
      "Category": "Logic",
      "Pins": "14"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "74hc74pw"
  ],
  "discovery_pitch": "74HC74PW (Nexperia) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "74hc74pw.kicad_sym",
    "74hc74pw.kicad_mod",
    "74hc74pw.glb",
    "74hc74pw.step",
    "74hc74pw.lbr",
    "docs/hero.png",
    "docs/74hc74pw-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T15:03:31.505Z"
}