TC74HC165AF

{
  "slug": "tc74hc165af",
  "version": "0.1.0",
  "type": "component",
  "description": "TOSHIBA Shift Registers, SOP-16. Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
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    "logic",
    "tc74hc165af",
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  "component": {
    "mpn": "TC74HC165AF",
    "manufacturer": "TOSHIBA",
    "package": "SOP-16",
    "pin_count": 16,
    "category": "Logic",
    "subcategory": "Shift Registers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8600402065923452928",
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    "distributor_links": {
      "lcsc": "C7121109"
    },
    "distributor_check": {
      "checked_at": "2026-10-21T17:13:54Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SHIFT/LOAD",
        "type": "input",
        "description": "Shift/load control input: high enables serial shifting, low asynchronously loads parallel data A-H into the register."
      },
      {
        "number": "2",
        "name": "CK",
        "type": "input",
        "description": "Clock input; parallel data loads and serial shifting occur on its positive-going transition."
      },
      {
        "number": "3",
        "name": "E",
        "type": "input",
        "description": "Parallel data input E."
      },
      {
        "number": "4",
        "name": "F",
        "type": "input",
        "description": "Parallel data input F."
      },
      {
        "number": "5",
        "name": "G",
        "type": "input",
        "description": "Parallel data input G."
      },
      {
        "number": "6",
        "name": "H",
        "type": "input",
        "description": "Parallel data input H."
      },
      {
        "number": "7",
        "name": "QH_N",
        "type": "output",
        "description": "Complementary serial output of the last stage (inverted QH), drives 10 LSTTL loads."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground supply pin."
      },
      {
        "number": "9",
        "name": "QH",
        "type": "output",
        "description": "Serial output of the last (H) stage, drives 10 LSTTL loads."
      },
      {
        "number": "10",
        "name": "SI",
        "type": "input",
        "description": "Serial data input, enabled when SHIFT/LOAD is high."
      },
      {
        "number": "11",
        "name": "A",
        "type": "input",
        "description": "Parallel data input A."
      },
      {
        "number": "12",
        "name": "B",
        "type": "input",
        "description": "Parallel data input B."
      },
      {
        "number": "13",
        "name": "C",
        "type": "input",
        "description": "Parallel data input C."
      },
      {
        "number": "14",
        "name": "D",
        "type": "input",
        "description": "Parallel data input D."
      },
      {
        "number": "15",
        "name": "CK INH",
        "type": "input",
        "description": "Clock inhibit input; should be taken high only when CK is high."
      },
      {
        "number": "16",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply voltage, operating range 2 to 6 V."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
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        "pages": 10,
        "sha256": "dfa168dd7522b5f6",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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}