MC74HC14ADR2G

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  "slug": "mc74hc14adr2g",
  "title": "MC74HC14ADR2G",
  "brief": "onsemi Inverters, SOIC-14. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
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    "mpn": "MC74HC14ADR2G",
    "manufacturer": "onsemi",
    "package": "SOIC-14",
    "pin_count": 14,
    "category": "Logic",
    "subcategory": "Inverters",
    "datasheet": "https://www.onsemi.com/pdf/datasheet/mc74hc14a-d.pdf",
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    "distributor_links": {
      "digikey": "MC74HC14ADR2GOSTR-ND",
      "mouser": "863-MC74HC14ADR2G",
      "lcsc": "C152545"
    },
    "pins": [
      {
        "number": "1",
        "name": "A1",
        "type": "input",
        "description": "Schmitt-trigger input of inverter 1. Compatible with standard CMOS output levels; input leakage typ 0.1 uA. Threshold hysteresis Vh typ 1.65 V @ Vcc=3.0 V."
      },
      {
        "number": "2",
        "name": "Y1",
        "type": "output",
        "description": "Inverted output of gate 1 (Y = /A). CMOS push-pull output, drives up to 10 LSTTL loads; Iout max +/-25 mA per pin."
      },
      {
        "number": "3",
        "name": "A2",
        "type": "input",
        "description": "Schmitt-trigger input of inverter 2."
      },
      {
        "number": "4",
        "name": "Y2",
        "type": "output",
        "description": "Inverted output of gate 2 (Y = /A). CMOS push-pull output."
      },
      {
        "number": "5",
        "name": "A3",
        "type": "input",
        "description": "Schmitt-trigger input of inverter 3."
      },
      {
        "number": "6",
        "name": "Y3",
        "type": "output",
        "description": "Inverted output of gate 3 (Y = /A)."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference (0 V). Datasheet explicitly notes 'Pin 7 = GND'."
      },
      {
        "number": "8",
        "name": "Y4",
        "type": "output",
        "description": "Inverted output of gate 4 (Y = /A)."
      },
      {
        "number": "9",
        "name": "A4",
        "type": "input",
        "description": "Schmitt-trigger input of inverter 4."
      },
      {
        "number": "10",
        "name": "Y5",
        "type": "output",
        "description": "Inverted output of gate 5 (Y = /A)."
      },
      {
        "number": "11",
        "name": "A5",
        "type": "input",
        "description": "Schmitt-trigger input of inverter 5."
      },
      {
        "number": "12",
        "name": "Y6",
        "type": "output",
        "description": "Inverted output of gate 6 (Y = /A)."
      },
      {
        "number": "13",
        "name": "A6",
        "type": "input",
        "description": "Schmitt-trigger input of inverter 6."
      },
      {
        "number": "14",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply voltage. Operating range 2.0 V to 6.0 V (absolute max 7.0 V). Datasheet notes 'Pin 14 = Vcc'. Bypass with 0.1 uF ceramic to GND close to pin."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.onsemi.com/pdf/datasheet/mc74hc14a-d.pdf",
        "pages": 7,
        "sha256": "b9c1487aaeb2602f",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 14,
        "described": 14,
        "cites_pages": true,
        "refuses_to_fabricate": true
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    },
    "viewers": {
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    "pin1": {
      "pad": "1",
      "at": [
        -2.475,
        -3.81
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOIC-14_3.9x8.7mm_P1.27mm@sha256:a885b619b22880c9",
      "mark": "drawn"
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    "logic": {
      "family_id": "74HC14",
      "logic_family": "74HC",
      "function_code": "14",
      "function_class": "Gate",
      "function_name": "Hex Schmitt-Trigger Inverter",
      "manufacturer": "Onsemi (Motorola legacy)",
      "is_specialty": false
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        "checked": "2026-10-07",
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "SOIC-14",
      "Category": "Logic",
      "Pins": "14"
    }
  },
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  "discovery_pitch": "MC74HC14ADR2G (onsemi) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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  "variants": [
    {
      "mpn": "MC74HC14ADR2GADG",
      "kind": "packaging"
    },
    {
      "mpn": "MC74HC14ADR2G",
      "kind": "packaging"
    },
    {
      "mpn": "MC74HC14ADR2GADTG",
      "kind": "packaging"
    },
    {
      "mpn": "MC74HC14ADR2GADTR2G",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-28T18:51:53.787Z"
}