HEF4015BT

{
  "slug": "hef4015bt",
  "version": "0.1.0",
  "type": "component",
  "description": "Nexperia Shift Registers, SOIC-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "logic",
    "hef4015bt",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "hef4015bt.kicad_sym",
    "hef4015bt.kicad_mod",
    "hef4015bt.glb",
    "hef4015bt.step",
    "hef4015bt.lbr",
    "docs/hero.png",
    "docs/hef4015bt-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "hef4015bt-hero.glb",
    "hef4015bt-hero.overlay.json",
    "hef4015bt-etched.glb"
  ],
  "component": {
    "mpn": "HEF4015BT",
    "manufacturer": "Nexperia",
    "package": "SOIC-16",
    "pin_count": 16,
    "category": "Logic",
    "subcategory": "Shift Registers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586193838537261056",
    "parts": {
      "symbol": "hef4015bt.kicad_sym",
      "footprint": "hef4015bt.kicad_mod",
      "model_3d": "hef4015bt-hero.glb",
      "model_3d_plain": "hef4015bt-etched.glb",
      "model_3d_step": "hef4015bt-etched.step",
      "model_3d_step_plain": "hef4015bt.step",
      "lbr": "hef4015bt.lbr"
    },
    "distributor_links": {
      "lcsc": "C79999"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T23:39:44Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "2CP",
        "type": "input",
        "description": "Clock input for shift register 2, LOW-to-HIGH edge-triggered; data shifts one position on each LOW-to-HIGH transition."
      },
      {
        "number": "2",
        "name": "2Q3",
        "type": "output",
        "description": "Fully buffered parallel output Q3 of shift register 2."
      },
      {
        "number": "3",
        "name": "1Q2",
        "type": "output",
        "description": "Fully buffered parallel output Q2 of shift register 1."
      },
      {
        "number": "4",
        "name": "1Q1",
        "type": "output",
        "description": "Fully buffered parallel output Q1 of shift register 1."
      },
      {
        "number": "5",
        "name": "1Q0",
        "type": "output",
        "description": "Fully buffered parallel output Q0 of shift register 1; forced LOW when 1MR is HIGH."
      },
      {
        "number": "6",
        "name": "1MR",
        "type": "input",
        "description": "Master reset input for shift register 1, active HIGH; a HIGH clears the register and forces Q0 to Q3 LOW independent of CP and D."
      },
      {
        "number": "7",
        "name": "1D",
        "type": "input",
        "description": "Serial data input for shift register 1; the data present is shifted into the first register position on the LOW-to-HIGH transition of 1CP."
      },
      {
        "number": "8",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground supply voltage (0 V reference)."
      },
      {
        "number": "9",
        "name": "1CP",
        "type": "input",
        "description": "Clock input for shift register 1, LOW-to-HIGH edge-triggered."
      },
      {
        "number": "10",
        "name": "1Q3",
        "type": "output",
        "description": "Fully buffered parallel output Q3 of shift register 1."
      },
      {
        "number": "11",
        "name": "2Q2",
        "type": "output",
        "description": "Fully buffered parallel output Q2 of shift register 2."
      },
      {
        "number": "12",
        "name": "2Q1",
        "type": "output",
        "description": "Fully buffered parallel output Q1 of shift register 2."
      },
      {
        "number": "13",
        "name": "2Q0",
        "type": "output",
        "description": "Fully buffered parallel output Q0 of shift register 2; forced LOW when 2MR is HIGH."
      },
      {
        "number": "14",
        "name": "2MR",
        "type": "input",
        "description": "Master reset input for shift register 2, active HIGH; a HIGH clears the register and forces Q0 to Q3 LOW independent of CP and D."
      },
      {
        "number": "15",
        "name": "2D",
        "type": "input",
        "description": "Serial data input for shift register 2; the data present is shifted into the first register position on the LOW-to-HIGH transition of 2CP."
      },
      {
        "number": "16",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply voltage, recommended range 3 V to 15 V (absolute maximum 18 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": 11,
        "cost_usd": 0.0657,
        "at": "2026-10-18T23:37:38"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586193838537261056",
        "pages": 11,
        "sha256": "ab9470f320e36a7c",
        "source_tier": "lcsc"
      },
      "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"
    },
    "models_3d": [
      {
        "file": "hef4015bt.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          9.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "hef4015bt-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          9.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "a7a9f9e079458694f4d2a110caf4539091cf753cb175fbb15a86634a4563a5bb",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}