U74HC02G

{
  "schema_version": 1,
  "type": "component",
  "slug": "u74hc02g",
  "title": "U74HC02G",
  "brief": "UTC(Unisonic Tech) Logic Gates, SOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "logic",
    "u74hc02g",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "U74HC02G",
    "manufacturer": "UTC(Unisonic Tech)",
    "package": "SOP-14",
    "pin_count": 14,
    "category": "Logic",
    "subcategory": "Logic Gates",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/68adb43c068c6c20d74f66a44c9a305e.pdf",
    "parts": {
      "symbol": "u74hc02g.kicad_sym",
      "footprint": "u74hc02g.kicad_mod",
      "model_3d": "u74hc02g-hero.glb",
      "model_3d_plain": "u74hc02g-etched.glb",
      "model_3d_step": "u74hc02g-etched.step",
      "model_3d_step_plain": "u74hc02g.step",
      "lbr": "u74hc02g.lbr"
    },
    "distributor_links": {
      "lcsc": "C7509616"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T01:58:26Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1Y",
        "type": "output",
        "description": "Output Y of NOR gate 1 (Y=A+B in positive logic), with output current limited to ±25mA absolute maximum."
      },
      {
        "number": "2",
        "name": "1A",
        "type": "input",
        "description": "Input A of NOR gate 1, with input leakage current limited to ±100nA maximum."
      },
      {
        "number": "3",
        "name": "1B",
        "type": "input",
        "description": "Input B of NOR gate 1, with input leakage current limited to ±100nA maximum."
      },
      {
        "number": "4",
        "name": "2Y",
        "type": "output",
        "description": "Output Y of NOR gate 2 (Y=A+B in positive logic), with output current limited to ±25mA absolute maximum."
      },
      {
        "number": "5",
        "name": "2A",
        "type": "input",
        "description": "Input A of NOR gate 2, with input leakage current limited to ±100nA maximum."
      },
      {
        "number": "6",
        "name": "2B",
        "type": "input",
        "description": "Input B of NOR gate 2, with input leakage current limited to ±100nA maximum."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device, 0V."
      },
      {
        "number": "8",
        "name": "3A",
        "type": "input",
        "description": "Input A of NOR gate 3, with input leakage current limited to ±100nA maximum."
      },
      {
        "number": "9",
        "name": "3B",
        "type": "input",
        "description": "Input B of NOR gate 3, with input leakage current limited to ±100nA maximum."
      },
      {
        "number": "10",
        "name": "3Y",
        "type": "output",
        "description": "Output Y of NOR gate 3 (Y=A+B in positive logic), with output current limited to ±25mA absolute maximum."
      },
      {
        "number": "11",
        "name": "4A",
        "type": "input",
        "description": "Input A of NOR gate 4, with input leakage current limited to ±100nA maximum."
      },
      {
        "number": "12",
        "name": "4B",
        "type": "input",
        "description": "Input B of NOR gate 4, with input leakage current limited to ±100nA maximum."
      },
      {
        "number": "13",
        "name": "4Y",
        "type": "output",
        "description": "Output Y of NOR gate 4 (Y=A+B in positive logic), with output current limited to ±25mA absolute maximum."
      },
      {
        "number": "14",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply, 2V to 6V recommended operating range, with absolute maximum rating of 7V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The pin configuration text is flattened, so pins 8 to 14 were mapped by reading the printed right-si"
        ],
        "pages_sent": 5,
        "cost_usd": 0.0103,
        "at": "2026-10-27T01:58:14"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/68adb43c068c6c20d74f66a44c9a305e.pdf",
        "pages": 5,
        "sha256": "6273e83a01c02b64",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 14,
        "described": 14,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "u74hc02g.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          8.7,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "3b9a775da256c8afcc28dcddfbc2eb3f266107fe61ce8446d96f2c52b6f44a70",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "u74hc02g-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          8.7,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "e69961baf7ad7dbf8d2a35e48a7ce206c8a56dbbaf732866e9c1a969e94c1a71",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "UTC(Unisonic Tech)",
      "Package": "SOP-14",
      "Category": "Logic",
      "Pins": "14"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "6273e83a01c02b64d92f49367002c3c5de91257182d7e6ca84b93d9215917445",
      "rows": [
        {
          "name": "Supply Voltage",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Clamp Current",
          "symbol": "IIK",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -20,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Clamp Current",
          "symbol": "IOK",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -20,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Current",
          "symbol": "IOUT",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -25,
          "typ": null,
          "max": 25,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VCC or GND Current",
          "symbol": "ICC",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -50,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°С",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Junction to Ambient (SOP-14)",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 86,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Supply Voltage",
          "symbol": "VCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "max is VCC",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage",
          "symbol": "VOUT",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "max is VCC",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Transition Rise or Fall Rate",
          "symbol": "tR, tF",
          "kind": "recommended_operating",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 1000,
          "conditions": "VCC=2V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Transition Rise or Fall Rate",
          "symbol": "tR, tF",
          "kind": "recommended_operating",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "VCC=4.5V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Transition Rise or Fall Rate",
          "symbol": "tR, tF",
          "kind": "recommended_operating",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 400,
          "conditions": "VCC=6V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°С",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "High-Level Input Voltage",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.5,
          "typ": null,
          "max": null,
          "conditions": "VCC=2V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "High-Level Input Voltage",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 3.15,
          "typ": null,
          "max": null,
          "conditions": "VCC=4.5V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "High-Level Input Voltage",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 4.2,
          "typ": null,
          "max": null,
          "conditions": "VCC=6V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Low-Level Input Voltage",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "VCC=2V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Low-Level Input Voltage",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.35,
          "conditions": "VCC=4.5V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Low-Level Input Voltage",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.8,
          "conditions": "VCC=6V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "High-Level Output Voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.9,
          "typ": 1.998,
          "max": null,
          "conditions": "VCC=2V, IOH 20µA, VIN= VIH or VIL",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "High-Level Output Voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 4.4,
          "typ": 4.499,
          "max": null,
          "conditions": "VCC=4.5V, IOH=20µA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "High-Level Output Voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 5.9,
          "typ": 5.999,
          "max": null,
          "conditions": "VCC=6V, IOH=20µA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "High-Level Output Voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 3.98,
          "typ": 4.3,
          "max": null,
          "conditions": "VCC=4.5V, IOH=4mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "High-Level Output Voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 5.48,
          "typ": 5.8,
          "max": null,
          "conditions": "VCC=6V, IOH=5.2mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Low-Level Output Voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.002,
          "max": 0.1,
          "conditions": "VCC=2V, IOL=20µA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Low-Level Output Voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.001,
          "max": 0.1,
          "conditions": "VCC=4.5V, IOL=20µA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Low-Level Output Voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.17,
          "max": 0.26,
          "conditions": "VCC=4.5V, IOL=4mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Low-Level Output Voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.15,
          "max": 0.26,
          "conditions": "VCC=6V, IOL=5.2mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Leakage Current",
          "symbol": "II(LEAK)",
          "kind": "electrical",
          "unit": "nA",
          "min": -100,
          "typ": 0.1,
          "max": 100,
          "conditions": "VCC=6V, VIN=VCC or GND",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Supply Current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "VCC=6V, VIN=VCC or GND, IOUT=0",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Capacitance",
          "symbol": "CIN",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 3,
          "max": 10,
          "conditions": "VCC=2V~6V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Propagation delay from Input(A or B) to Output(Y)",
          "symbol": "tPLH, tPHL",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 45,
          "max": 90,
          "conditions": "VCC=2V, CL=50pF",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Propagation delay from Input(A or B) to Output(Y)",
          "symbol": "tPLH, tPHL",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 9,
          "max": 18,
          "conditions": "VCC=4.5V, CL=50pF",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Propagation delay from Input(A or B) to Output(Y)",
          "symbol": "tPLH, tPHL",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 8,
          "max": 15,
          "conditions": "VCC=6V, CL=50pF",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Transition Time",
          "symbol": "tT",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 38,
          "max": 75,
          "conditions": "VCC=2V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Transition Time",
          "symbol": "tT",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 8,
          "max": 15,
          "conditions": "VCC=4.5V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Transition Time",
          "symbol": "tT",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 6,
          "max": 13,
          "conditions": "VCC=6V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation Capacitance",
          "symbol": "CPD",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 22,
          "max": null,
          "conditions": "No Load",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "u74hc02g"
  ],
  "discovery_pitch": "U74HC02G (UTC(Unisonic Tech)) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "u74hc02g.kicad_sym",
    "u74hc02g.kicad_mod",
    "u74hc02g.glb",
    "u74hc02g.step",
    "u74hc02g.lbr",
    "docs/hero.png",
    "docs/u74hc02g-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "u74hc02g-hero.glb",
    "u74hc02g-hero.overlay.json",
    "u74hc02g-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}