MC74HCT541ADTR2G

{
  "schema_version": 1,
  "type": "component",
  "slug": "mc74hct541adtr2g",
  "title": "MC74HCT541ADTR2G",
  "brief": "onsemi Buffers / Drivers, TSSOP-20. 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 ics",
    "mc74hct541adtr2g",
    "factory-2.0.0",
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  "component": {
    "mpn": "MC74HCT541ADTR2G",
    "manufacturer": "onsemi",
    "package": "TSSOP-20",
    "pin_count": 20,
    "category": "Logic ICs",
    "subcategory": "Buffers / Drivers",
    "datasheet": "https://www.onsemi.com/pdf/datasheet/mc74hct541adtr2-d.pdf",
    "parts": {
      "symbol": "mc74hct541adtr2g.kicad_sym",
      "footprint": "mc74hct541adtr2g.kicad_mod",
      "model_3d": "mc74hct541adtr2g-hero.glb",
      "model_3d_plain": "mc74hct541adtr2g-etched.glb",
      "model_3d_step": "mc74hct541adtr2g-etched.step",
      "model_3d_step_plain": "mc74hct541adtr2g.step",
      "lbr": "mc74hct541adtr2g.lbr"
    },
    "distributor_links": {
      "lcsc": "C904082"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T22:28:08Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OE1",
        "type": "input",
        "description": "Active-low output enable; when both OE1 and OE2 are low the outputs are enabled, and a high on either puts the outputs in high impedance."
      },
      {
        "number": "2",
        "name": "A1",
        "type": "input",
        "description": "Data input 1; appears non-inverted on Y1 when outputs are enabled."
      },
      {
        "number": "3",
        "name": "A2",
        "type": "input",
        "description": "Data input 2; appears non-inverted on Y2 when outputs are enabled."
      },
      {
        "number": "4",
        "name": "A3",
        "type": "input",
        "description": "Data input 3; appears non-inverted on Y3 when outputs are enabled."
      },
      {
        "number": "5",
        "name": "A4",
        "type": "input",
        "description": "Data input 4; appears non-inverted on Y4 when outputs are enabled."
      },
      {
        "number": "6",
        "name": "A5",
        "type": "input",
        "description": "Data input 5; appears non-inverted on Y5 when outputs are enabled."
      },
      {
        "number": "7",
        "name": "A6",
        "type": "input",
        "description": "Data input 6; appears non-inverted on Y6 when outputs are enabled."
      },
      {
        "number": "8",
        "name": "A7",
        "type": "input",
        "description": "Data input 7; appears non-inverted on Y7 when outputs are enabled."
      },
      {
        "number": "9",
        "name": "A8",
        "type": "input",
        "description": "Data input 8; appears non-inverted on Y8 when outputs are enabled."
      },
      {
        "number": "10",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin (0 V reference) for the device."
      },
      {
        "number": "11",
        "name": "Y8",
        "type": "tri_state",
        "description": "Non-inverting 3-state output 8, high impedance when either output enable is high."
      },
      {
        "number": "12",
        "name": "Y7",
        "type": "tri_state",
        "description": "Non-inverting 3-state output 7, high impedance when either output enable is high."
      },
      {
        "number": "13",
        "name": "Y6",
        "type": "tri_state",
        "description": "Non-inverting 3-state output 6, high impedance when either output enable is high."
      },
      {
        "number": "14",
        "name": "Y5",
        "type": "tri_state",
        "description": "Non-inverting 3-state output 5, high impedance when either output enable is high."
      },
      {
        "number": "15",
        "name": "Y4",
        "type": "tri_state",
        "description": "Non-inverting 3-state output 4, high impedance when either output enable is high."
      },
      {
        "number": "16",
        "name": "Y3",
        "type": "tri_state",
        "description": "Non-inverting 3-state output 3, high impedance when either output enable is high."
      },
      {
        "number": "17",
        "name": "Y2",
        "type": "tri_state",
        "description": "Non-inverting 3-state output 2, high impedance when either output enable is high."
      },
      {
        "number": "18",
        "name": "Y1",
        "type": "tri_state",
        "description": "Non-inverting 3-state output 1, high impedance when either output enable is high."
      },
      {
        "number": "19",
        "name": "OE2",
        "type": "input",
        "description": "Active-low output enable; when both OE1 and OE2 are low the outputs are enabled, and a high on either puts the outputs in high impedance."
      },
      {
        "number": "20",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply voltage, recommended 4.5 to 5.5 V (absolute maximum -0.5 to +7.0 V)."
      }
    ],
    "provenance": {
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        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 7,
        "cost_usd": 0.0992,
        "at": "2026-10-22T22:27:53"
      },
      "datasheet": {
        "url": "https://www.onsemi.com/pdf/datasheet/mc74hct541adtr2-d.pdf",
        "pages": 7,
        "sha256": "62e83a609a41e5f0",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 20,
        "described": 20,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "file": "mc74hct541adtr2g.step",
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        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "centre_offset_mm": 0,
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        "sha256": "97339947f3a7196470ec2f1d9f9b92bb2fc2ab66ad53be0cf105192585ef3c9a",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "TSSOP-20",
      "Category": "Logic ICs",
      "Pins": "20"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "62e83a609a41e5f093e682fe8b8cbb96a6bef01fdf3099200918861018240891",
      "rows": [
        {
          "name": "DC Supply Voltage",
          "symbol": "VCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 4.5,
          "typ": null,
          "max": 5.5,
          "conditions": "Referenced to GND",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature Range",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 125,
          "conditions": "All Package Types",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input Rise/Fall Time",
          "symbol": "tr, tf",
          "kind": "recommended_operating",
          "unit": "ns",
          "min": 0,
          "typ": null,
          "max": 500,
          "conditions": "Figure 1",
          "source_page": 2,
          "source": "datasheet"
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        {
          "name": "DC Supply Voltage",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 7,
          "conditions": "Referenced to GND",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "DC Input Voltage",
          "symbol": "Vin",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 5.5,
          "conditions": "-0.5 to VCC + 0.5 V, referenced to GND (max shown at VCC=5.0 V)",
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        {
          "name": "DC Input Current per Pin",
          "symbol": "Iin",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -20,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
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        {
          "name": "DC Output Current per Pin",
          "symbol": "Iout",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -35,
          "typ": null,
          "max": 35,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "DC Supply Current, VCC and GND Pins",
          "symbol": "ICC",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -75,
          "typ": null,
          "max": 75,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Minimum High-Level Input Voltage",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "Vout = 0.1V or VCC-0.1V, |Iout| ≤ 20µA, VCC 4.5-5.5 V, all temps",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Low-Level Input Voltage",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "Vout = 0.1V or VCC-0.1V, |Iout| ≤ 20µA, VCC 4.5-5.5 V, all temps",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Minimum High-Level Output Voltage, -55 to 25°C",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 4.4,
          "typ": null,
          "max": null,
          "conditions": "Vin = VIH or VIL, |Iout| ≤ 20µA, VCC=4.5 V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Minimum High-Level Output Voltage, -55 to 25°C",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 3.98,
          "typ": null,
          "max": null,
          "conditions": "Vin = VIH or VIL, |Iout| ≤ 6.0mA, VCC=4.5 V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Minimum High-Level Output Voltage, ≤85°C",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 3.84,
          "typ": null,
          "max": null,
          "conditions": "Vin = VIH or VIL, |Iout| ≤ 6.0mA, VCC=4.5 V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Minimum High-Level Output Voltage, ≤125°C",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 3.7,
          "typ": null,
          "max": null,
          "conditions": "Vin = VIH or VIL, |Iout| ≤ 6.0mA, VCC=4.5 V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Low-Level Output Voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.1,
          "conditions": "Vin = VIH or VIL, |Iout| ≤ 20µA, VCC 4.5-5.5 V, all temps",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Low-Level Output Voltage, -55 to 25°C",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.26,
          "conditions": "Vin = VIH or VIL, |Iout| ≤ 6.0mA, VCC=4.5 V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Low-Level Output Voltage, ≤85°C",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.33,
          "conditions": "Vin = VIH or VIL, |Iout| ≤ 6.0mA, VCC=4.5 V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Low-Level Output Voltage, ≤125°C",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "Vin = VIH or VIL, |Iout| ≤ 6.0mA, VCC=4.5 V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Input Leakage Current, -55 to 25°C",
          "symbol": "Iin",
          "kind": "electrical",
          "unit": "µA",
          "min": -0.1,
          "typ": null,
          "max": 0.1,
          "conditions": "Vin = VCC or GND, VCC=5.5 V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Input Leakage Current, ≤85°C and ≤125°C",
          "symbol": "Iin",
          "kind": "electrical",
          "unit": "µA",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "Vin = VCC or GND, VCC=5.5 V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum 3-State Leakage Current, -55 to 25°C",
          "symbol": "IOZ",
          "kind": "electrical",
          "unit": "µA",
          "min": -0.5,
          "typ": null,
          "max": 0.5,
          "conditions": "Output in High Impedance State, Vin = VIL or VIH, Vout = VCC or GND, VCC=5.5 V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum 3-State Leakage Current, ≤85°C",
          "symbol": "IOZ",
          "kind": "electrical",
          "unit": "µA",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "Output in High Impedance State, Vin = VIL or VIH, Vout = VCC or GND, VCC=5.5 V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum 3-State Leakage Current, ≤125°C",
          "symbol": "IOZ",
          "kind": "electrical",
          "unit": "µA",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "Output in High Impedance State, Vin = VIL or VIH, Vout = VCC or GND, VCC=5.5 V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Quiescent Supply Current, -55 to 25°C",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 4,
          "conditions": "Vin = VCC or GND, Iout = 0A, VCC=5.5 V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Quiescent Supply Current, ≤85°C",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "Vin = VCC or GND, Iout = 0A, VCC=5.5 V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Quiescent Supply Current, ≤125°C",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 160,
          "conditions": "Vin = VCC or GND, Iout = 0A, VCC=5.5 V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Additional Quiescent Supply Current, ≥ -55°C",
          "symbol": "ΔICC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 2.9,
          "conditions": "Vin = 2.4V, Any One Input, other inputs VCC or GND, Iout = 0A, VCC=5.5 V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Additional Quiescent Supply Current, 25 to 125°C",
          "symbol": "ΔICC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 2.4,
          "conditions": "Vin = 2.4V, Any One Input, other inputs VCC or GND, Iout = 0A, VCC=5.5 V",
          "source_page": 2,
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        {
          "name": "Max Propagation Delay, Input A to Output Y, -55 to 25°C",
          "symbol": "tPLH, tPHL",
          "kind": "timing",
          "unit": "ns",
          "min": null,
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          "max": 23,
          "conditions": "VCC = 5.0V, CL = 50 pF, tr = tf = 6 ns",
          "source_page": 3,
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          "name": "Max Propagation Delay, Input A to Output Y, ≤85°C",
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          "name": "Max Propagation Delay, Input A to Output Y, ≤125°C",
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          "conditions": "VCC = 5.0V, CL = 50 pF, tr = tf = 6 ns",
          "source_page": 3,
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        {
          "name": "Max Propagation Delay, Output Enable to Output Y (disable), -55 to 25°C",
          "symbol": "tPLZ, tPHZ",
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          "conditions": "VCC = 5.0V, CL = 50 pF, tr = tf = 6 ns",
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          "name": "Max Propagation Delay, Output Enable to Output Y (disable), ≤85°C",
          "symbol": "tPLZ, tPHZ",
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          "unit": "ns",
          "min": null,
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          "max": 34,
          "conditions": "VCC = 5.0V, CL = 50 pF, tr = tf = 6 ns",
          "source_page": 3,
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        },
        {
          "name": "Max Propagation Delay, Output Enable to Output Y (disable), ≤125°C",
          "symbol": "tPLZ, tPHZ",
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          "conditions": "VCC = 5.0V, CL = 50 pF, tr = tf = 6 ns",
          "source_page": 3,
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        {
          "name": "Max Propagation Delay, Output Enable to Output Y (enable), -55 to 25°C",
          "symbol": "tPZL, tPZH",
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          "conditions": "VCC = 5.0V, CL = 50 pF, tr = tf = 6 ns",
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        {
          "name": "Max Propagation Delay, Output Enable to Output Y (enable), ≤85°C",
          "symbol": "tPZL, tPZH",
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          "name": "Max Propagation Delay, Output Enable to Output Y (enable), ≤125°C",
          "symbol": "tPZL, tPZH",
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          "conditions": "VCC = 5.0V, CL = 50 pF, tr = tf = 6 ns",
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        {
          "name": "Max Output Transition Time, -55 to 25°C",
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          "conditions": "VCC = 5.0V, CL = 50 pF, tr = tf = 6 ns",
          "source_page": 3,
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