CD74HC366QDRQ1

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  "type": "component",
  "slug": "cd74hc366qdrq1",
  "title": "CD74HC366QDRQ1",
  "brief": "Texas Instruments Buffers, Drivers, Receivers, Transceivers, SOIC-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
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    "logic",
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  "component": {
    "mpn": "CD74HC366QDRQ1",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-16",
    "pin_count": 16,
    "category": "Logic",
    "subcategory": "Buffers, Drivers, Receivers, Transceivers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/cd74hc366-q1",
    "parts": {
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      "lbr": "cd74hc366qdrq1.lbr"
    },
    "distributor_links": {
      "lcsc": "C2675803",
      "digikey": "296-28176-2-ND",
      "mouser": "595-CD74HC366QDRQ1"
    },
    "distributor_check": {
      "checked_at": "2026-10-05T22:26:24Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-28176-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-CD74HC366QDRQ1",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OE1",
        "type": "input",
        "description": "Active-low three-state output enable 1, NORed with OE2 to control all six gates; outputs are high-impedance when OE1 is high."
      },
      {
        "number": "2",
        "name": "1A",
        "type": "input",
        "description": "Buffer channel 1 data input; must not be left floating."
      },
      {
        "number": "3",
        "name": "1Y",
        "type": "output",
        "description": "Channel 1 three-state inverting output (1Y̅ on HC366), high-current bus driver able to drive up to 15 LSTTL loads."
      },
      {
        "number": "4",
        "name": "2A",
        "type": "input",
        "description": "Buffer channel 2 data input; must not be left floating."
      },
      {
        "number": "5",
        "name": "2Y",
        "type": "output",
        "description": "Channel 2 three-state inverting output (2Y̅ on HC366), high-current bus driver able to drive up to 15 LSTTL loads."
      },
      {
        "number": "6",
        "name": "3A",
        "type": "input",
        "description": "Buffer channel 3 data input; must not be left floating."
      },
      {
        "number": "7",
        "name": "3Y",
        "type": "output",
        "description": "Channel 3 three-state inverting output (3Y̅ on HC366), high-current bus driver able to drive up to 15 LSTTL loads."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin."
      },
      {
        "number": "9",
        "name": "4Y",
        "type": "output",
        "description": "Channel 4 three-state inverting output (4Y̅ on HC366), high-current bus driver able to drive up to 15 LSTTL loads."
      },
      {
        "number": "10",
        "name": "4A",
        "type": "input",
        "description": "Buffer channel 4 data input; must not be left floating."
      },
      {
        "number": "11",
        "name": "5Y",
        "type": "output",
        "description": "Channel 5 three-state inverting output (5Y̅ on HC366), high-current bus driver able to drive up to 15 LSTTL loads."
      },
      {
        "number": "12",
        "name": "5A",
        "type": "input",
        "description": "Buffer channel 5 data input; must not be left floating."
      },
      {
        "number": "13",
        "name": "6Y",
        "type": "output",
        "description": "Channel 6 three-state inverting output (6Y̅ on HC366), high-current bus driver able to drive up to 15 LSTTL loads."
      },
      {
        "number": "14",
        "name": "6A",
        "type": "input",
        "description": "Buffer channel 6 data input; must not be left floating."
      },
      {
        "number": "15",
        "name": "OE2",
        "type": "input",
        "description": "Active-low three-state output enable 2, NORed with OE1 to control all six gates; outputs are high-impedance when OE2 is high."
      },
      {
        "number": "16",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply, 2 V to 6 V for HC types (absolute maximum 7 V); a 0.1-µF bypass capacitor is recommended close to the pin."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 18,
        "cost_usd": 0.3823,
        "at": "2026-10-05T22:26:09"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/cd74hc366-q1",
        "pages": 18,
        "sha256": "e47d0281794c01ae",
        "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"
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOIC-16",
      "Category": "Logic",
      "Pins": "16"
    }
  },
  "variants": [],
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  "discovery_pitch": "CD74HC366QDRQ1 (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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}