MC74LCX541DWR2G

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  "slug": "mc74lcx541dwr2g",
  "title": "MC74LCX541DWR2G",
  "brief": "onsemi Buffers / Drivers, SOIC-20-300mil. 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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  "component": {
    "mpn": "MC74LCX541DWR2G",
    "manufacturer": "onsemi",
    "package": "SOIC-20-300mil",
    "pin_count": 20,
    "category": "Logic ICs",
    "subcategory": "Buffers / Drivers",
    "datasheet": "https://www.onsemi.com/pdf/datasheet/mc74lcx541dwr2-d.pdf",
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      "lbr": "mc74lcx541dwr2g.lbr"
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    "distributor_links": {
      "lcsc": "C233632",
      "digikey": "MC74LCX541DWR2GOSTR-ND",
      "mouser": "863-MC74LCX541DWR2G"
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    "pins": [
      {
        "number": "1",
        "name": "OE1",
        "type": "input",
        "description": "Output Enable input 1; when HIGH, places the outputs in the high-impedance state (5.5 V tolerant input)."
      },
      {
        "number": "2",
        "name": "D0",
        "type": "input",
        "description": "Data input 0, 5 V tolerant (VI up to 5.5 V); drives output O0."
      },
      {
        "number": "3",
        "name": "D1",
        "type": "input",
        "description": "Data input 1, 5 V tolerant (VI up to 5.5 V); drives output O1."
      },
      {
        "number": "4",
        "name": "D2",
        "type": "input",
        "description": "Data input 2, 5 V tolerant (VI up to 5.5 V); drives output O2."
      },
      {
        "number": "5",
        "name": "D3",
        "type": "input",
        "description": "Data input 3, 5 V tolerant (VI up to 5.5 V); drives output O3."
      },
      {
        "number": "6",
        "name": "D4",
        "type": "input",
        "description": "Data input 4, 5 V tolerant (VI up to 5.5 V); drives output O4."
      },
      {
        "number": "7",
        "name": "D5",
        "type": "input",
        "description": "Data input 5, 5 V tolerant (VI up to 5.5 V); drives output O5."
      },
      {
        "number": "8",
        "name": "D6",
        "type": "input",
        "description": "Data input 6, 5 V tolerant (VI up to 5.5 V); drives output O6."
      },
      {
        "number": "9",
        "name": "D7",
        "type": "input",
        "description": "Data input 7, 5 V tolerant (VI up to 5.5 V); drives output O7."
      },
      {
        "number": "10",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; maximum DC ground current per ground pin is ±100 mA."
      },
      {
        "number": "11",
        "name": "O7",
        "type": "tri_state",
        "description": "3-state non-inverting output 7 with 24 mA drive capability; follows D7 when enabled."
      },
      {
        "number": "12",
        "name": "O6",
        "type": "tri_state",
        "description": "3-state non-inverting output 6 with 24 mA drive capability; follows D6 when enabled."
      },
      {
        "number": "13",
        "name": "O5",
        "type": "tri_state",
        "description": "3-state non-inverting output 5 with 24 mA drive capability; follows D5 when enabled."
      },
      {
        "number": "14",
        "name": "O4",
        "type": "tri_state",
        "description": "3-state non-inverting output 4 with 24 mA drive capability; follows D4 when enabled."
      },
      {
        "number": "15",
        "name": "O3",
        "type": "tri_state",
        "description": "3-state non-inverting output 3 with 24 mA drive capability; follows D3 when enabled."
      },
      {
        "number": "16",
        "name": "O2",
        "type": "tri_state",
        "description": "3-state non-inverting output 2 with 24 mA drive capability; follows D2 when enabled."
      },
      {
        "number": "17",
        "name": "O1",
        "type": "tri_state",
        "description": "3-state non-inverting output 1 with 24 mA drive capability; follows D1 when enabled."
      },
      {
        "number": "18",
        "name": "O0",
        "type": "tri_state",
        "description": "3-state non-inverting output 0 with 24 mA drive capability; follows D0 when enabled."
      },
      {
        "number": "19",
        "name": "OE2",
        "type": "input",
        "description": "Output Enable input 2; when HIGH, places the outputs in the high-impedance state (5.5 V tolerant input)."
      },
      {
        "number": "20",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply pin; operating range 2.0 to 3.6 V (designed for 2.3 to 3.6 V), absolute maximum -0.5 to +7.0 V."
      }
    ],
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        "guard_notes": [
          "extractor flagged: Pin numbers were derived from the garbled top-view pinout text and logic diagram (page 2), which agr"
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        "at": "2026-10-26T18:54:36"
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        "sha256": "1e105941ba29b800",
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      "cad": "KiCad official (CC-BY-SA 4.0)",
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        "described": 20,
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        "refuses_to_fabricate": true
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  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "SOIC-20-300mil",
      "Category": "Logic ICs",
      "Pins": "20"
    },
    "characteristics": {
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      "source": "datasheet",
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          "name": "DC Input Diode Current",
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          "name": "DC Output Source/Sink Current",
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          "name": "DC Supply Current Per Supply Pin",
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          "min": -100,
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          "conditions": "",
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        {
          "name": "DC Ground Current Per Ground Pin",
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          "unit": "mA",
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          "conditions": "",
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        },
        {
          "name": "Storage Temperature Range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
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        {
          "name": "Supply Voltage Operating",
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          "unit": "V",
          "min": 2,
          "typ": 3.3,
          "max": 3.6,
          "conditions": "Operating",
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        {
          "name": "Supply Voltage Data Retention Only",
          "symbol": "VCC",
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          "min": 1.5,
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          "conditions": "Data Retention Only",
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          "name": "Input Voltage",
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          "kind": "recommended_operating",
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          "typ": null,
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          "conditions": "VCC = 3.0 V - 3.6 V",
          "source_page": 3,
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        {
          "name": "LOW Level Output Current",
          "symbol": "IOL",
          "kind": "recommended_operating",
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          "min": null,
          "typ": null,
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          "conditions": "VCC = 3.0 V - 3.6 V",
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        {
          "name": "HIGH Level Output Current",
          "symbol": "IOH",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": -12,
          "typ": null,
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          "conditions": "VCC = 2.7 V - 3.0 V",
          "source_page": 3,
          "source": "datasheet"
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        {
          "name": "LOW Level Output Current",
          "symbol": "IOL",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 12,
          "conditions": "VCC = 2.7 V - 3.0 V",
          "source_page": 3,
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        {
          "name": "Operating Free-Air Temperature",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
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        {
          "name": "Input Transition Rise or Fall Rate",
          "symbol": "t/V",
          "kind": "recommended_operating",
          "unit": "ns/V",
          "min": 0,
          "typ": null,
          "max": 10,
          "conditions": "VIN from 0.8 V to 2.0 V, VCC = 3.0 V",
          "source_page": 3,
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        {
          "name": "HIGH Level Input Voltage",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
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          "conditions": "2.7 V <= VCC <= 3.6 V",
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        {
          "name": "LOW Level Input Voltage",
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          "kind": "electrical",
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          "conditions": "2.7 V <= VCC <= 3.6 V",
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        {
          "name": "HIGH Level Output Voltage",
          "symbol": "VOH",
          "kind": "electrical",
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          "min": 2.2,
          "typ": null,
          "max": null,
          "conditions": "VCC = 2.7 V; IOH = -12 mA",
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        {
          "name": "HIGH Level Output Voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 2.4,
          "typ": null,
          "max": null,
          "conditions": "VCC = 3.0 V; IOH = -18 mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "LOW Level Output Voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.2,
          "conditions": "2.7 V <= VCC <= 3.6 V; IOL = 100 µA",
          "source_page": 3,
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        },
        {
          "name": "LOW Level Output Voltage",
          "symbol": "VOL",
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          "min": null,
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          "max": 0.4,
          "conditions": "VCC = 2.7 V; IOL = 12 mA",
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        {
          "name": "LOW Level Output Voltage",
          "symbol": "VOL",
          "kind": "electrical",
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          "min": null,
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          "max": 0.55,
          "conditions": "VCC = 3.0 V; IOL = 24 mA",
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        {
          "name": "3-State Output Current",
          "symbol": "IOZ",
          "kind": "electrical",
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          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "VCC = 3.6 V, VIN = VIH or VIL, VOUT = 0 to 5.5 V",
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        },
        {
          "name": "Power Off Leakage Current",
          "symbol": "IOFF",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "VCC = 0, VIN = 5.5 V or VOUT = 5.5 V",
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        {
          "name": "Input Leakage Current",
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          "kind": "electrical",
          "unit": "µA",
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          "typ": null,
          "max": 5,
          "conditions": "VCC = 3.6 V, VIN = 5.5 V or GND",
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        {
          "name": "Quiescent Supply Current",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "VCC = 3.6 V, VIN = 5.5 V or GND",
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        },
        {
          "name": "Increase in ICC per Input",
          "symbol": "ΔICC",
          "kind": "electrical",
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          "typ": null,
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          "conditions": "2.3 <= VCC <= 3.6 V; VIH = VCC - 0.6 V",
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          "name": "Propagation Delay Input to Output",
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          "kind": "timing",
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          "min": 1.5,
          "typ": null,
          "max": 6.5,
          "conditions": "VCC = 3.0 V to 3.6 V; CL = 50 pF; RL = 500 ohm",
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          "name": "Propagation Delay Input to Output",
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          "name": "Output Enable Time to High and Low Level",
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          "name": "Output Disable Time From High and Low Level",
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          "kind": "timing",
          "unit": "ns",
          "min": 1.5,
          "typ": null,
          "max": 7.5,
          "conditions": "VCC = 3.0 V to 3.6 V",
          "source_page": 4,
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        {
          "name": "Output Disable Time From High and Low Level",
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        {
          "name": "Output-to-Output Skew",
          "symbol": "tOSHL/tOSLH",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Dynamic LOW Peak Voltage",
          "symbol": "VOLP",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "VCC = 3.3 V, CL = 50 pF, VIH = 3.3 V, VIL = 0 V, TA = +25°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Dynamic LOW Valley Voltage",
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          "conditions": "VCC = 3.3 V, CL = 50 pF, VIH = 3.3 V, VIL = 0 V, TA = +25°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
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