CD74HCT165M96

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  "slug": "cd74hct165m96",
  "title": "CD74HCT165M96",
  "brief": "Texas Instruments Shift Registers, SOIC-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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  "component": {
    "mpn": "CD74HCT165M96",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-16",
    "pin_count": 16,
    "category": "Logic",
    "subcategory": "Shift Registers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/cd74hct165",
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      "lcsc": "C352828"
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    "pins": [
      {
        "number": "1",
        "name": "SH/LD",
        "type": "input",
        "description": "Shift/Load control input; LOW asynchronously loads parallel data (A-H) into the register, HIGH enables serial shift on the CLK input."
      },
      {
        "number": "2",
        "name": "CLK",
        "type": "input",
        "description": "Clock input; a LOW-to-HIGH transition shifts data one position (A→B→C…) when SH/LD is HIGH."
      },
      {
        "number": "3",
        "name": "E",
        "type": "input",
        "description": "Parallel data input E, loaded into the register when SH/LD is LOW."
      },
      {
        "number": "4",
        "name": "F",
        "type": "input",
        "description": "Parallel data input F, loaded into the register when SH/LD is LOW."
      },
      {
        "number": "5",
        "name": "G",
        "type": "input",
        "description": "Parallel data input G, loaded into the register when SH/LD is LOW."
      },
      {
        "number": "6",
        "name": "H",
        "type": "input",
        "description": "Parallel data input H, loaded into the register when SH/LD is LOW."
      },
      {
        "number": "7",
        "name": "QH",
        "type": "output",
        "description": "Complementary serial output (inverted QH) from the last register stage."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "9",
        "name": "QH",
        "type": "output",
        "description": "Serial (true) output from the last register stage, used to cascade to the SER input of a succeeding device."
      },
      {
        "number": "10",
        "name": "SER",
        "type": "input",
        "description": "Serial data input; data entered here shifts through the register on each positive CLK transition when SH/LD is HIGH."
      },
      {
        "number": "11",
        "name": "A",
        "type": "input",
        "description": "Parallel data input A, loaded into the register when SH/LD is LOW."
      },
      {
        "number": "12",
        "name": "B",
        "type": "input",
        "description": "Parallel data input B, loaded into the register when SH/LD is LOW."
      },
      {
        "number": "13",
        "name": "C",
        "type": "input",
        "description": "Parallel data input C, loaded into the register when SH/LD is LOW."
      },
      {
        "number": "14",
        "name": "D",
        "type": "input",
        "description": "Parallel data input D, loaded into the register when SH/LD is LOW."
      },
      {
        "number": "15",
        "name": "CLK INH",
        "type": "input",
        "description": "Clock inhibit input; its LOW-to-HIGH transition should only occur while CLK is HIGH to prevent uncontrolled shifting, holding the register when HIGH together with SH/LD HIGH."
      },
      {
        "number": "16",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply voltage, 4.5 V to 5.5 V for the HCT type as per recommended operating conditions."
      }
    ],
    "provenance": {
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        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
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        "guards": "pin_guards 0.1: passed",
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        "cost_usd": 0.2519,
        "at": "2026-09-22T21:52:57"
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        "url": "https://www.ti.com/cn/lit/gpn/cd74hct165",
        "pages": 22,
        "sha256": "f9045b1f003e60b8",
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        "described": 16,
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOIC-16",
      "Category": "Logic",
      "Pins": "16"
    }
  },
  "variants": [],
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  "discovery_pitch": "CD74HCT165M96 (Texas Instruments) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
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  "updated_at": "2026-09-24T18:57:29.331Z"
}