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Ray Set visibility: public 5ef66e2 8d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "mc74vhc541dwr2g",
  "title": "MC74VHC541DWR2G",
  "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",
  "tags": [
    "component",
    "logic ics",
    "mc74vhc541dwr2g",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "MC74VHC541DWR2G",
    "manufacturer": "onsemi",
    "package": "SOIC-20-300mil",
    "pin_count": 20,
    "category": "Logic ICs",
    "subcategory": "Buffers / Drivers",
    "datasheet": "https://www.onsemi.com/pdf/datasheet/mc74vhc541dwr2-d.pdf",
    "parts": {
      "symbol": "mc74vhc541dwr2g.kicad_sym",
      "footprint": "mc74vhc541dwr2g.kicad_mod",
      "model_3d": "mc74vhc541dwr2g-hero.glb",
      "model_3d_plain": "mc74vhc541dwr2g-etched.glb",
      "model_3d_step": "mc74vhc541dwr2g-etched.step",
      "model_3d_step_plain": "mc74vhc541dwr2g.step",
      "lbr": "mc74vhc541dwr2g.lbr"
    },
    "distributor_links": {
      "lcsc": "C899727",
      "digikey": "488-MC74VHC541DWR2GTR-ND",
      "mouser": "863-MC74VHC541DWR2G"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T09:21:06Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "488-MC74VHC541DWR2GTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "863-MC74VHC541DWR2G",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OE1",
        "type": "input",
        "description": "Output enable 1; when OE1 or OE2 is high the Y outputs are in the high-impedance state."
      },
      {
        "number": "2",
        "name": "A1",
        "type": "input",
        "description": "Data input 1, tolerates voltages up to 7.0 V, noninverting to Y1."
      },
      {
        "number": "3",
        "name": "A2",
        "type": "input",
        "description": "Data input 2, tolerates voltages up to 7.0 V, noninverting to Y2."
      },
      {
        "number": "4",
        "name": "A3",
        "type": "input",
        "description": "Data input 3, tolerates voltages up to 7.0 V, noninverting to Y3."
      },
      {
        "number": "5",
        "name": "A4",
        "type": "input",
        "description": "Data input 4, tolerates voltages up to 7.0 V, noninverting to Y4."
      },
      {
        "number": "6",
        "name": "A5",
        "type": "input",
        "description": "Data input 5, tolerates voltages up to 7.0 V, noninverting to Y5."
      },
      {
        "number": "7",
        "name": "A6",
        "type": "input",
        "description": "Data input 6, tolerates voltages up to 7.0 V, noninverting to Y6."
      },
      {
        "number": "8",
        "name": "A7",
        "type": "input",
        "description": "Data input 7, tolerates voltages up to 7.0 V, noninverting to Y7."
      },
      {
        "number": "9",
        "name": "A8",
        "type": "input",
        "description": "Data input 8, tolerates voltages up to 7.0 V, noninverting to Y8."
      },
      {
        "number": "10",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin (0 V reference)."
      },
      {
        "number": "11",
        "name": "Y8",
        "type": "tri_state",
        "description": "Noninverting 3-state output 8 following A8, high impedance when OE1 or OE2 is high."
      },
      {
        "number": "12",
        "name": "Y7",
        "type": "tri_state",
        "description": "Noninverting 3-state output 7 following A7, high impedance when OE1 or OE2 is high."
      },
      {
        "number": "13",
        "name": "Y6",
        "type": "tri_state",
        "description": "Noninverting 3-state output 6 following A6, high impedance when OE1 or OE2 is high."
      },
      {
        "number": "14",
        "name": "Y5",
        "type": "tri_state",
        "description": "Noninverting 3-state output 5 following A5, high impedance when OE1 or OE2 is high."
      },
      {
        "number": "15",
        "name": "Y4",
        "type": "tri_state",
        "description": "Noninverting 3-state output 4 following A4, high impedance when OE1 or OE2 is high."
      },
      {
        "number": "16",
        "name": "Y3",
        "type": "tri_state",
        "description": "Noninverting 3-state output 3 following A3, high impedance when OE1 or OE2 is high."
      },
      {
        "number": "17",
        "name": "Y2",
        "type": "tri_state",
        "description": "Noninverting 3-state output 2 following A2, high impedance when OE1 or OE2 is high."
      },
      {
        "number": "18",
        "name": "Y1",
        "type": "tri_state",
        "description": "Noninverting 3-state output 1 following A1, high impedance when OE1 or OE2 is high."
      },
      {
        "number": "19",
        "name": "OE2",
        "type": "input",
        "description": "Output enable 2; when OE1 or OE2 is high the Y outputs are in the high-impedance state."
      },
      {
        "number": "20",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply, recommended 2.0 V to 5.5 V (absolute maximum 7.0 V)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "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": [
          "extractor flagged: The pin assignment figure text on page 1 is scrambled. Pins 1-9 and 11-19 were matched to the logic ; The ordering table lists MC74VHC541DWR2G as SOIC-20WB. This is the 7.5 mm (about 300 mil) wide body "
        ],
        "pages_sent": 7,
        "cost_usd": 0.1103,
        "at": "2026-10-23T09:20:52"
      },
      "datasheet": {
        "url": "https://www.onsemi.com/pdf/datasheet/mc74vhc541dwr2-d.pdf",
        "pages": 7,
        "sha256": "65c4fa0d7f40fffd",
        "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": [
      {
        "file": "mc74vhc541dwr2g.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          10.3,
          12.8,
          2.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "59a10b341e6972b31d81802a048060326da627d8b92dcf4263064f4f62ec808e",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mc74vhc541dwr2g-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": "b4f00acbd224b33aae824fe96d0f80adf5f48e676991011df0def359137e2a25",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "SOIC-20-300mil",
      "Category": "Logic ICs",
      "Pins": "20"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "65c4fa0d7f40fffdea3b12e6793610c3d2e20a0fe183c1f80efcddb647dce708",
      "rows": [
        {
          "name": "DC Supply Voltage (abs max)",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "DC Input Voltage (abs max)",
          "symbol": "Vin",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "DC Output Voltage (abs max)",
          "symbol": "Vout",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": null,
          "conditions": "max is VCC + 0.5 V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input Diode Current",
          "symbol": "IIK",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -20,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output Diode Current",
          "symbol": "IOK",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -20,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "DC Output Current, per Pin",
          "symbol": "Iout",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -25,
          "typ": null,
          "max": 25,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "DC Supply Current, VCC and GND Pins",
          "symbol": "ICC",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -50,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation in Still Air, SOIC Package",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "Derating -7 mW/C from 65 to 125C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "DC Supply Voltage (recommended)",
          "symbol": "VCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "DC Input Voltage (recommended)",
          "symbol": "Vin",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "DC Output Voltage (recommended)",
          "symbol": "Vout",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "max is VCC",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature, All Package Types",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "C",
          "min": -55,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input Rise and Fall Time",
          "symbol": "tr, tf",
          "kind": "recommended_operating",
          "unit": "ns/V",
          "min": 0,
          "typ": null,
          "max": 100,
          "conditions": "VCC = 3.3V ±0.3V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input Rise and Fall Time",
          "symbol": "tr, tf",
          "kind": "recommended_operating",
          "unit": "ns/V",
          "min": 0,
          "typ": null,
          "max": 20,
          "conditions": "VCC = 5.0V ±0.5V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Minimum High-Level Input Voltage",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.5,
          "typ": null,
          "max": null,
          "conditions": "VCC = 2.0 V, TA = 25°C and -55 to 125°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Low-Level Input Voltage",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "VCC = 2.0 V, TA = 25°C and -55 to 125°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Minimum High-Level Output Voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.9,
          "typ": 2,
          "max": null,
          "conditions": "Vin = VIH or VIL, IOH = -50µA, VCC = 2.0 V, TA = 25°C (min 1.9 also at -55 to 125°C)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Minimum High-Level Output Voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 2.9,
          "typ": 3,
          "max": null,
          "conditions": "Vin = VIH or VIL, IOH = -50µA, VCC = 3.0 V, TA = 25°C (min 2.9 also at -55 to 125°C)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Minimum High-Level Output Voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 4.4,
          "typ": 4.5,
          "max": null,
          "conditions": "Vin = VIH or VIL, IOH = -50µA, VCC = 4.5 V, TA = 25°C (min 4.4 also at -55 to 125°C)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Minimum High-Level Output Voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 2.58,
          "typ": null,
          "max": null,
          "conditions": "Vin = VIH or VIL, IOH = -4mA, VCC = 3.0 V, TA = 25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Minimum High-Level Output Voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 2.48,
          "typ": null,
          "max": null,
          "conditions": "Vin = VIH or VIL, IOH = -4mA, VCC = 3.0 V, TA = -55 to 125°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Minimum High-Level Output Voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 3.94,
          "typ": null,
          "max": null,
          "conditions": "Vin = VIH or VIL, IOH = -8mA, VCC = 4.5 V, TA = 25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Minimum High-Level Output Voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 3.8,
          "typ": null,
          "max": null,
          "conditions": "Vin = VIH or VIL, IOH = -8mA, VCC = 4.5 V, TA = -55 to 125°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Low-Level Output Voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0,
          "max": 0.1,
          "conditions": "Vin = VIH or VIL, IOL = 50µA, VCC = 2.0/3.0/4.5 V, TA = 25°C (max 0.1 also at -55 to 125°C)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Low-Level Output Voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.36,
          "conditions": "Vin = VIH or VIL, IOL = 4mA, VCC = 3.0 V, TA = 25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Low-Level Output Voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.44,
          "conditions": "Vin = VIH or VIL, IOL = 4mA, VCC = 3.0 V, TA = -55 to 125°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Input Leakage Current",
          "symbol": "Iin",
          "kind": "electrical",
          "unit": "µA",
          "min": -0.1,
          "typ": null,
          "max": 0.1,
          "conditions": "Vin = 5.5V or GND, VCC = 0 to 5.5 V, TA = 25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Input Leakage Current",
          "symbol": "Iin",
          "kind": "electrical",
          "unit": "µA",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "Vin = 5.5V or GND, VCC = 0 to 5.5 V, TA = -55 to 125°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum 3-State Leakage Current",
          "symbol": "IOZ",
          "kind": "electrical",
          "unit": "µA",
          "min": -0.25,
          "typ": null,
          "max": 0.25,
          "conditions": "Vin = VIL or VIH, Vout = VCC or GND, VCC = 5.5 V, TA = 25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum 3-State Leakage Current",
          "symbol": "IOZ",
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