74HC165BQ

{
  "slug": "74hc165bq",
  "version": "0.1.0",
  "type": "component",
  "description": "Nexperia Shift Registers, DHVQFN-16-EP(2.5x3.5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "logic",
    "74hc165bq",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "74hc165bq.kicad_sym",
    "74hc165bq.kicad_mod",
    "74hc165bq.glb",
    "74hc165bq.step",
    "74hc165bq.lbr",
    "docs/hero.png",
    "docs/74hc165bq-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "74hc165bq-hero.glb",
    "74hc165bq-hero.overlay.json",
    "74hc165bq-etched.glb"
  ],
  "component": {
    "mpn": "74HC165BQ",
    "manufacturer": "Nexperia",
    "package": "DHVQFN-16-EP(2.5x3.5)",
    "pin_count": 17,
    "category": "Logic",
    "subcategory": "Shift Registers",
    "datasheet": "https://assets.nexperia.com/documents/data-sheet/74HC165BQ.pdf",
    "parts": {
      "symbol": "74hc165bq.kicad_sym",
      "footprint": "74hc165bq.kicad_mod",
      "model_3d": "74hc165bq-hero.glb",
      "model_3d_plain": "74hc165bq-etched.glb",
      "model_3d_step": "74hc165bq-etched.step",
      "model_3d_step_plain": "74hc165bq.step",
      "lbr": "74hc165bq.lbr"
    },
    "distributor_links": {
      "lcsc": "C426699"
    },
    "distributor_check": {
      "checked_at": "2026-10-16T21:26:02Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PL",
        "type": "input",
        "description": "Asynchronous parallel load input, active LOW; when LOW, data on D0 to D7 is loaded into the shift register asynchronously."
      },
      {
        "number": "2",
        "name": "CP",
        "type": "input",
        "description": "Clock input, edge-triggered on the LOW-to-HIGH transition; data is shifted on this edge when CE is LOW."
      },
      {
        "number": "3",
        "name": "D4",
        "type": "input",
        "description": "Parallel data input D4 (Dn), loaded into the register when PL is LOW."
      },
      {
        "number": "4",
        "name": "D5",
        "type": "input",
        "description": "Parallel data input D5 (Dn), loaded into the register when PL is LOW."
      },
      {
        "number": "5",
        "name": "D6",
        "type": "input",
        "description": "Parallel data input D6 (Dn), loaded into the register when PL is LOW."
      },
      {
        "number": "6",
        "name": "D7",
        "type": "input",
        "description": "Parallel data input D7 (Dn), loaded into the register when PL is LOW."
      },
      {
        "number": "7",
        "name": "Q7",
        "type": "output",
        "description": "Complementary output from the last stage of the shift register."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground (0 V)."
      },
      {
        "number": "9",
        "name": "Q7",
        "type": "output",
        "description": "Serial output from the last stage of the shift register."
      },
      {
        "number": "10",
        "name": "DS",
        "type": "input",
        "description": "Serial data input; data enters the register serially at DS when PL is HIGH."
      },
      {
        "number": "11",
        "name": "D0",
        "type": "input",
        "description": "Parallel data input D0 (Dn), loaded into the register when PL is LOW."
      },
      {
        "number": "12",
        "name": "D1",
        "type": "input",
        "description": "Parallel data input D1 (Dn), loaded into the register when PL is LOW."
      },
      {
        "number": "13",
        "name": "D2",
        "type": "input",
        "description": "Parallel data input D2 (Dn), loaded into the register when PL is LOW."
      },
      {
        "number": "14",
        "name": "D3",
        "type": "input",
        "description": "Parallel data input D3 (Dn), loaded into the register when PL is LOW."
      },
      {
        "number": "15",
        "name": "CE",
        "type": "input",
        "description": "Clock enable input, active LOW; a HIGH on CE disables the CP input."
      },
      {
        "number": "16",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply voltage; 2.0 V to 6.0 V for 74HC165 (Table 5)."
      },
      {
        "number": "17",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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 hint DHVQFN-16-EP(2.5x3.5) matches type 74HC165BQ, which the ordering table lists as DHVQFN1",
          "exposed pad 17 added from the footprint"
        ],
        "pages_sent": 18,
        "cost_usd": 0.0567,
        "at": "2026-10-16T21:25:11"
      },
      "datasheet": {
        "url": "https://assets.nexperia.com/documents/data-sheet/74HC165BQ.pdf",
        "pages": 18,
        "sha256": "376fad78107f38d0",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 17,
        "described": 17,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "74hc165bq.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.52,
          3.52,
          0.9
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "c8a3436caf090256eb2c4dcc50578cce630e7115e8f1e3001f821afa4d8f5124",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "74hc165bq-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.52,
          3.52,
          0.9
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "ca0076e2c435f43daebc8cd44e229d7ed645a6c020186220a643ea8a8f367aef",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}