74LCX126FT

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  "type": "component",
  "slug": "74lcx126ft",
  "title": "74LCX126FT",
  "brief": "TOSHIBA Buffers, Drivers, Receivers, Transceivers, TSSOP-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": [
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    "logic",
    "74lcx126ft",
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  "component": {
    "mpn": "74LCX126FT",
    "manufacturer": "TOSHIBA",
    "package": "TSSOP-14",
    "pin_count": 14,
    "category": "Logic",
    "subcategory": "Buffers, Drivers, Receivers, Transceivers",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/63c4d01f0bdf41ce8c515b986c4252ed.pdf",
    "parts": {
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      "lbr": "74lcx126ft.lbr"
    },
    "distributor_links": {
      "lcsc": "C2676039",
      "mouser": "757-74LCX126FT"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T18:06:42Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
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      "mouser": {
        "pn": "757-74LCX126FT",
        "status": "found"
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    },
    "pins": [
      {
        "number": "1",
        "name": "1OE",
        "type": "input",
        "description": "3-state control input for buffer 1, where low places 1Y in high impedance and high enables the output, with a 5-V tolerant input."
      },
      {
        "number": "2",
        "name": "1A",
        "type": "input",
        "description": "Data input of buffer 1 with 5-V tolerant input protection; unused inputs must be tied to VCC or GND."
      },
      {
        "number": "3",
        "name": "1Y",
        "type": "tri_state",
        "description": "3-state output of buffer 1 that follows 1A when 1OE is high and is high impedance when 1OE is low, with |IOH|/IOL of 24 mA (min) at VCC = 3.0 V."
      },
      {
        "number": "4",
        "name": "2OE",
        "type": "input",
        "description": "3-state control input for buffer 2, where low places 2Y in high impedance and high enables the output, with a 5-V tolerant input."
      },
      {
        "number": "5",
        "name": "2A",
        "type": "input",
        "description": "Data input of buffer 2 with 5-V tolerant input protection; unused inputs must be tied to VCC or GND."
      },
      {
        "number": "6",
        "name": "2Y",
        "type": "tri_state",
        "description": "3-state output of buffer 2 that follows 2A when 2OE is high and is high impedance when 2OE is low, with |IOH|/IOL of 24 mA (min) at VCC = 3.0 V."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin (0 V reference) for the device."
      },
      {
        "number": "8",
        "name": "3Y",
        "type": "tri_state",
        "description": "3-state output of buffer 3 that follows 3A when 3OE is high and is high impedance when 3OE is low, with |IOH|/IOL of 24 mA (min) at VCC = 3.0 V."
      },
      {
        "number": "9",
        "name": "3A",
        "type": "input",
        "description": "Data input of buffer 3 with 5-V tolerant input protection; unused inputs must be tied to VCC or GND."
      },
      {
        "number": "10",
        "name": "3OE",
        "type": "input",
        "description": "3-state control input for buffer 3, where low places 3Y in high impedance and high enables the output, with a 5-V tolerant input."
      },
      {
        "number": "11",
        "name": "4Y",
        "type": "tri_state",
        "description": "3-state output of buffer 4 that follows 4A when 4OE is high and is high impedance when 4OE is low, with |IOH|/IOL of 24 mA (min) at VCC = 3.0 V."
      },
      {
        "number": "12",
        "name": "4A",
        "type": "input",
        "description": "Data input of buffer 4 with 5-V tolerant input protection; unused inputs must be tied to VCC or GND."
      },
      {
        "number": "13",
        "name": "4OE",
        "type": "input",
        "description": "3-state control input for buffer 4, where low places 4Y in high impedance and high enables the output, with a 5-V tolerant input."
      },
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        "number": "14",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply pin with an operating range of 1.65 to 3.6 V and an absolute maximum of -0.5 to 6.5 V."
      }
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 14,
        "described": 14,
        "cites_pages": true,
        "refuses_to_fabricate": true
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  "metadata": {
    "specs": {
      "Manufacturer": "TOSHIBA",
      "Package": "TSSOP-14",
      "Category": "Logic",
      "Pins": "14"
    },
    "characteristics": {
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          "name": "Supply voltage",
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          "min": -0.5,
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          "max": 6.5,
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        {
          "name": "Input voltage",
          "symbol": "VIN",
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        {
          "name": "Output voltage",
          "symbol": "VOUT",
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          "conditions": "Note 3: VOUT < GND, VOUT > VCC",
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          "name": "Output diode current",
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        {
          "name": "Output current",
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          "name": "Power dissipation",
          "symbol": "PD",
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          "unit": "mW",
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          "conditions": "Ta = -40 to 85 (Note 4)",
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        {
          "name": "VCC/ground current",
          "symbol": "ICC/IGND",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -100,
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          "name": "Storage temperature",
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          "unit": "°C",
          "min": -65,
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        {
          "name": "Output voltage (OFF state)",
          "symbol": "VOUT",
          "kind": "recommended_operating",
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          "max": 5.5,
          "conditions": "Note 2: Output in OFF state",
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        {
          "name": "Output current",
          "symbol": "IOH,IOL",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": -24,
          "typ": null,
          "max": 24,
          "conditions": "VCC = 3.0 to 3.6 V (Note 4)",
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          "name": "Output current",
          "symbol": "IOH,IOL",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": -12,
          "typ": null,
          "max": 12,
          "conditions": "VCC = 2.7 to 3.0 V (Note 5)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature",
          "symbol": "Topr",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 3,
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        {
          "name": "Input rise and fall times",
          "symbol": "dt/dv",
          "kind": "recommended_operating",
          "unit": "ns/V",
          "min": 0,
          "typ": null,
          "max": 10,
          "conditions": "VIN = 0.8 to 2.0 V, VCC = 3.0 V (Note 6)",
          "source_page": 3,
          "source": "datasheet"
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        {
          "name": "High-level input voltage",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": null,
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          "conditions": "VCC = 2.7 to 3.6 V, Ta = -40 to 85",
          "source_page": 4,
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          "name": "High-level input voltage",
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          "kind": "electrical",
          "unit": "V",
          "min": 1.7,
          "typ": null,
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          "conditions": "VCC = 2.3 to 2.7 V, Ta = -40 to 85",
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          "source": "datasheet"
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          "name": "Low-level input voltage",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "VCC = 2.7 to 3.6 V, Ta = -40 to 85",
          "source_page": 4,
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          "name": "Low-level input voltage",
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        {
          "name": "Propagation delay time",
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          "kind": "timing",
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          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "VCC = 3.3 ± 0.3 V, Ta = -40 to 85",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input capacitance",
          "symbol": "CIN",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 78,
          "max": null,
          "conditions": "fIN = 10 MHz, VCC = 3.3 V, Ta = 25 °C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Output capacitance",
          "symbol": "COUT",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 25,
          "max": null,
          "conditions": "VCC = 3.3 V, Ta = 25 °C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Quiet output maximum dynamic VOL",
          "symbol": "VOLP",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.8,
          "max": null,
          "conditions": "VCC = 3.3 V, VIH = 3.3 V, VIL = 0 V, Ta = 25 °C, tr = tf = 2.5 ns, CL = 50 pF, RL = 500 Ω",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
    }
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