main
Ray brief: say who settled the pinout (an AI reviewer or models), not a person 360276d 3h ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "74lcx125yttr",
  "title": "74LCX125YTTR",
  "brief": "STMicroelectronics Buffers, Drivers, Receivers, Transceivers, TSSOP-14. Pinout settled in review by an AI reviewer against the manufacturer's datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "logic",
    "74lcx125yttr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "74LCX125YTTR",
    "manufacturer": "STMicroelectronics",
    "package": "TSSOP-14",
    "pin_count": 14,
    "category": "Logic",
    "subcategory": "Buffers, Drivers, Receivers, Transceivers",
    "datasheet": "https://www.st.com/resource/en/datasheet/74lcx125yttr.pdf",
    "parts": {
      "symbol": "74lcx125yttr.kicad_sym",
      "footprint": "74lcx125yttr.kicad_mod",
      "model_3d": "74lcx125yttr-hero.glb",
      "model_3d_plain": "74lcx125yttr-etched.glb",
      "model_3d_step": "74lcx125yttr-etched.step",
      "model_3d_step_plain": "74lcx125yttr.step",
      "lbr": "74lcx125yttr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2675611",
      "digikey": "497-13204-2-ND",
      "mouser": "511-74LCX125YTTR"
    },
    "distributor_check": {
      "checked_at": "2026-11-05T23:33:57Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-13204-2-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-74LCX125YTTR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1G",
        "type": "input",
        "description": "Output enable input for gate 1; setting G high places output 1Y in the high impedance state."
      },
      {
        "number": "2",
        "name": "1A",
        "type": "input",
        "description": "Data input for gate 1, 5 V tolerant per the device features."
      },
      {
        "number": "3",
        "name": "1Y",
        "type": "tri_state",
        "description": "Data output for gate 1, 3-state, with symmetrical output drive of |IOH| = IOL = 24 mA (min.) at VCC = 3 V."
      },
      {
        "number": "4",
        "name": "2G",
        "type": "input",
        "description": "Output enable input for gate 2; setting G high places output 2Y in the high impedance state."
      },
      {
        "number": "5",
        "name": "2A",
        "type": "input",
        "description": "Data input for gate 2, 5 V tolerant per the device features."
      },
      {
        "number": "6",
        "name": "2Y",
        "type": "tri_state",
        "description": "Data output for gate 2, 3-state, with symmetrical output drive of |IOH| = IOL = 24 mA (min.) at VCC = 3 V."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground (0 V) reference pin."
      },
      {
        "number": "8",
        "name": "3Y",
        "type": "tri_state",
        "description": "Data output for gate 3, 3-state, with symmetrical output drive of |IOH| = IOL = 24 mA (min.) at VCC = 3 V."
      },
      {
        "number": "9",
        "name": "3A",
        "type": "input",
        "description": "Data input for gate 3, 5 V tolerant per the device features."
      },
      {
        "number": "10",
        "name": "3G",
        "type": "input",
        "description": "Output enable input for gate 3; setting G high places output 3Y in the high impedance state."
      },
      {
        "number": "11",
        "name": "4Y",
        "type": "tri_state",
        "description": "Data output for gate 4, 3-state, with symmetrical output drive of |IOH| = IOL = 24 mA (min.) at VCC = 3 V."
      },
      {
        "number": "12",
        "name": "4A",
        "type": "input",
        "description": "Data input for gate 4, 5 V tolerant per the device features."
      },
      {
        "number": "13",
        "name": "4G",
        "type": "input",
        "description": "Output enable input for gate 4; setting G high places output 4Y in the high impedance state."
      },
      {
        "number": "14",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply voltage, with recommended operating range of 2.0 V to 3.6 V."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.st.com/resource/en/datasheet/74lcx125yttr.pdf",
        "pages": 16,
        "sha256": "9a54e677025d61c0",
        "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": [
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        "file": "74lcx125yttr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "3ee5786aae56190997aa793ba3cfc003fd616782770e29719b4562f012982245",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "74lcx125yttr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "57c1d256464db650a1c0a74cffa2ad4af341af6067263f9a8908a9a3a599a89d",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "TSSOP14",
      "source_page": 12,
      "D": {
        "nom_mm": 5,
        "range_mm": [
          4.9,
          5.1
        ]
      },
      "E1": {
        "nom_mm": 4.4,
        "range_mm": [
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        ]
      },
      "E": {
        "nom_mm": 6.4,
        "range_mm": [
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      },
      "e": {
        "nom_mm": 0.65,
        "range_mm": [
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        ]
      },
      "A": {
        "nom_mm": 1.2,
        "range_mm": [
          null,
          1.2
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "74lcx125yttr.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "STMicroelectronics",
      "Package": "TSSOP-14",
      "Category": "Logic",
      "Pins": "14"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "9a54e677025d61c07a9cd417ccec2a433a9744d7f57ef5671c2971d49d893af4",
      "rows": [
        {
          "name": "Supply voltage",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "DC input voltage",
          "symbol": "VI",
          "kind": "absolute_maximum",
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          "conditions": "",
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          "conditions": "VCC = 0 V",
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          "source": "datasheet"
        },
        {
          "name": "DC output voltage (high or low state), max printed as VCC + 0.5 V",
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          "typ": null,
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          "conditions": "high or low state",
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          "source": "datasheet"
        },
        {
          "name": "DC input diode current",
          "symbol": "IIK",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -50,
          "typ": null,
          "max": null,
          "conditions": "",
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          "name": "DC output diode current",
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          "min": -50,
          "typ": null,
          "max": null,
          "conditions": "VO < GND",
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          "max": 50,
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          "source": "datasheet"
        },
        {
          "name": "DC supply current per supply pin",
          "symbol": "ICC",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -100,
          "typ": null,
          "max": 100,
          "conditions": "",
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          "source": "datasheet"
        },
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          "name": "DC ground current per supply pin",
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          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -100,
          "typ": null,
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          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
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          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
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        },
        {
          "name": "Lead temperature",
          "symbol": "TL",
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          "unit": "°C",
          "min": null,
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          "max": 300,
          "conditions": "10 s",
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        },
        {
          "name": "Supply voltage",
          "symbol": "VCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": 3.6,
          "conditions": "",
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        {
          "name": "Input voltage",
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          "source": "datasheet"
        },
        {
          "name": "Output voltage (VCC = 0 V)",
          "symbol": "VO",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 5.5,
          "conditions": "VCC = 0 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output voltage (high or low state), max printed as VCC",
          "symbol": "VO",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "high or low state",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "High or low level output current",
          "symbol": "IOH, IOL",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": -24,
          "typ": null,
          "max": 24,
          "conditions": "VCC = 3.0 to 3.6 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "High or low level output current",
          "symbol": "IOH, IOL",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": -12,
          "typ": null,
          "max": 12,
          "conditions": "VCC = 2.7 V",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "Input rise and fall time",
          "symbol": "dt/dv",
          "kind": "recommended_operating",
          "unit": "ns/V",
          "min": 0,
          "typ": null,
          "max": 10,
          "conditions": "VIN from 0.8 V to 2 V at VCC = 3.0 V",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "High level input voltage",
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          "source_page": 6,
          "source": "datasheet"
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        {
          "name": "Low level input voltage",
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          "kind": "electrical",
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          "max": 0.8,
          "conditions": "VCC 2.7 to 3.6 V; -40 to 85 °C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "High level output voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 2.2,
          "typ": null,
          "max": null,
          "conditions": "VCC 2.7 V; IO = -12 mA; -40 to 85 °C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "High level output voltage",
          "symbol": "VOH",
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          "typ": null,
          "max": null,
          "conditions": "VCC 3.0 V; IO = -18 mA; -40 to 85 °C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Low level output voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.2,
          "conditions": "VCC 2.7 to 3.6 V; IO = 100 µA; -40 to 85 °C",
          "source_page": 6,
          "source": "datasheet"
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        {
          "name": "Low level output voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "VCC 2.7 V; IO = 12 mA; -40 to 85 °C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Low level output voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.55,
          "conditions": "VCC 3.0 V; IO = 24 mA; -40 to 85 °C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Input leakage current",
          "symbol": "II",
          "kind": "electrical",
          "unit": "µA",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "VCC 2.7 to 3.6 V; VI = 0 to 5.5 V; -40 to 85 °C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Power OFF leakage current",
          "symbol": "Ioff",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "VI or VO = 5.5 V; -40 to 85 °C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "High impedance output leakage current",
          "symbol": "IOZ",
          "kind": "electrical",
          "unit": "µA",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "VCC 2.7 to 3.6 V; VI = VIH or VIL; VO = 0 to VCC; -40 to 85 °C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Quiescent supply current",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "VCC 2.7 to 3.6 V; VI = VCC or GND; -40 to 85 °C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Quiescent supply current",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "µA",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "VCC 2.7 to 3.6 V; VI or VO = 3.6 to 5.5 V; -40 to 85 °C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Additional quiescent supply current per input",
          "symbol": "ΔICC",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "VCC 2.7 to 3.6 V; VIH = VCC - 0.6 V; -40 to 85 °C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Dynamic low level quiet output",
          "symbol": "VOLP",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "VCC 3.3 V; CL = 50 pF; VIL = 0 V, VIH = 3.3 V; TA = 25 °C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Dynamic low level quiet output",
          "symbol": "VOLV",
          "kind": "electrical",
          "unit": "V",
          "min": -0.8,
          "typ": null,
          "max": null,
          "conditions": "VCC 3.3 V; CL = 50 pF; VIL = 0 V, VIH = 3.3 V; TA = 25 °C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Propagation delay time",
          "symbol": "tPLH, tPHL",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "VCC 2.7 V; CL 50 pF; RL 500 Ω; ts = tr 2.5 ns; -40 to 85 °C",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Propagation delay time",
          "symbol": "tPLH, tPHL",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 5.2,
          "conditions": "VCC 3.0 to 3.6 V; CL 50 pF; RL 500 Ω; ts = tr 1.0 ns; -40 to 85 °C",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Output enable time to HIGH and LOW level",
          "symbol": "tPZL, tPZH",
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          "conditions": "VCC 2.7 V; CL 50 pF; RL 500 Ω; ts = tr 2.5 ns; -40 to 85 °C",
          "source_page": 7,
          "source": "datasheet"
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        {
          "name": "Output enable time to HIGH and LOW level",
          "symbol": "tPZL, tPZH",
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          "conditions": "VCC 3.0 to 3.6 V; CL 50 pF; RL 500 Ω; ts = tr 1.0 ns; -40 to 85 °C",
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