74HC165D

{
  "slug": "74hc165d",
  "version": "0.1.3",
  "type": "component",
  "description": "Nexperia Shifting Register, SOIC-16. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "logic",
    "74hc165d"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "74hc165d.kicad_sym",
    "74hc165d.kicad_mod",
    "74hc165d.glb",
    "74hc165d.step",
    "74hc165d.lbr",
    "docs/hero.png",
    "docs/74hc165d-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "74hc165d-etched.step",
    "74hc165d-etched.glb",
    "74hc165d-hero.glb",
    "74hc165d-hero.overlay.json"
  ],
  "visibility": "public",
  "author": {
    "name": "Ray"
  },
  "component": {
    "logic": {
      "family_id": "74HC165",
      "logic_family": "74HC",
      "function_code": "165",
      "function_class": "ShiftRegister",
      "function_name": "8-Bit PISO Shift Register",
      "manufacturer": null,
      "is_specialty": false
    },
    "parts": {
      "model_3d_step": "74hc165d-etched.step",
      "model_3d_step_plain": "74hc165d.step",
      "model_3d": "74hc165d-hero.glb",
      "model_3d_plain": "74hc165d.glb",
      "symbol": "74hc165d.kicad_sym",
      "footprint": "74hc165d.kicad_mod",
      "lbr": "74hc165d.lbr"
    },
    "models_3d": [
      {
        "file": "74hc165d.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          9.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "74hc165d-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          9.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "7700a956369f27e6878ce21cbdaf24b9f780f2ae01ccc9fd5092c25b990c324c",
        "checked": "2026-11-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "mpn": "74HC165D",
    "manufacturer": "Nexperia",
    "package": "SOIC-16",
    "pin_count": 16,
    "category": "Logic ICs",
    "subcategory": "Shifting Register",
    "datasheet": "https://assets.nexperia.com/documents/data-sheet/74HC_HCT165.pdf",
    "pins": [
      {
        "number": "1",
        "name": "/PL",
        "type": "input",
        "description": "Asynchronous parallel load input, active LOW. When LOW, data on D0-D7 is loaded into the shift register asynchronously."
      },
      {
        "number": "2",
        "name": "CP",
        "type": "input",
        "description": "Clock input, LOW-to-HIGH edge-triggered. Data is shifted on the rising edge when /CE is LOW."
      },
      {
        "number": "3",
        "name": "D4",
        "type": "input",
        "description": "Parallel data input bit 4 (loaded into the shift register when /PL is LOW)."
      },
      {
        "number": "4",
        "name": "D5",
        "type": "input",
        "description": "Parallel data input bit 5 (loaded into the shift register when /PL is LOW)."
      },
      {
        "number": "5",
        "name": "D6",
        "type": "input",
        "description": "Parallel data input bit 6 (loaded into the shift register when /PL is LOW)."
      },
      {
        "number": "6",
        "name": "D7",
        "type": "input",
        "description": "Parallel data input bit 7, the last (MSB-side) stage (loaded into the shift register when /PL is LOW)."
      },
      {
        "number": "7",
        "name": "/Q7",
        "type": "output",
        "description": "Complementary (inverted) serial output from the last shift-register stage."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference (0 V)."
      },
      {
        "number": "9",
        "name": "Q7",
        "type": "output",
        "description": "Serial (non-inverted) output from the last shift-register stage."
      },
      {
        "number": "10",
        "name": "DS",
        "type": "input",
        "description": "Serial data input. Data present here is shifted into the first stage on the LOW-to-HIGH clock transition (when /CE is LOW and /PL is HIGH)."
      },
      {
        "number": "11",
        "name": "D0",
        "type": "input",
        "description": "Parallel data input bit 0 (loaded into the shift register when /PL is LOW)."
      },
      {
        "number": "12",
        "name": "D1",
        "type": "input",
        "description": "Parallel data input bit 1 (loaded into the shift register when /PL is LOW)."
      },
      {
        "number": "13",
        "name": "D2",
        "type": "input",
        "description": "Parallel data input bit 2 (loaded into the shift register when /PL is LOW)."
      },
      {
        "number": "14",
        "name": "D3",
        "type": "input",
        "description": "Parallel data input bit 3 (loaded into the shift register when /PL is LOW)."
      },
      {
        "number": "15",
        "name": "/CE",
        "type": "input",
        "description": "Clock enable input, active LOW. When LOW, data is shifted on the rising edge of CP; a HIGH on /CE disables the CP input (hold)."
      },
      {
        "number": "16",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply voltage. Recommended range 2.0 V to 6.0 V for 74HC165 (4.5-5.5 V for 74HCT165); absolute max 7 V."
      }
    ],
    "distributor_links": {
      "lcsc": "C5613"
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "aliases": [
      "74HC165D,653"
    ],
    "provenance": {
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "cad_footprint": "KiCad SOIC-16_3.9x9.9mm_P1.27mm",
      "pins": {
        "total": 16,
        "source": "README pin table from the 2026-08-24 datasheet extraction (ds2sf); equals the KiCad symbol and the footprint pads"
      },
      "component_block": {
        "at": "2026-11-09",
        "by": "part-reviewer (Ray review #937)",
        "what": "component block filled from the page's own README, symbol and footprint plus Component Ocean (LCSC, datasheet URL); CAD unchanged"
      },
      "datasheet": {
        "url": "https://assets.nexperia.com/documents/data-sheet/74HC_HCT165.pdf",
        "file": "docs/74hc165d-datasheet.pdf"
      }
    }
  },
  "license": "CC-BY-SA-4.0",
  "title": "74HC165D",
  "org": "adom"
}