74LVC540AT20-13

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  "type": "component",
  "slug": "74lvc540at20-13",
  "title": "74LVC540AT20-13",
  "brief": "Diodes Incorporated Buffers, Drivers, Receivers, Transceivers, TSSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
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    "logic",
    "74lvc540at20-13",
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    "extractor-text"
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  "component": {
    "mpn": "74LVC540AT20-13",
    "manufacturer": "Diodes Incorporated",
    "package": "TSSOP-20",
    "pin_count": 20,
    "category": "Logic",
    "subcategory": "Buffers, Drivers, Receivers, Transceivers",
    "datasheet": "https://www.diodes.com/assets/Datasheets/74LVC540AT20-13.pdf",
    "parts": {
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      "model_3d_step_plain": "74lvc540at20-13.step",
      "lbr": "74lvc540at20-13.lbr"
    },
    "distributor_links": {
      "lcsc": "C842655",
      "mouser": "621-74LVC540AT20-13"
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    "distributor_check": {
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      "source": "Component Ocean /api/assign-pns",
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        "status": "quota"
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    },
    "pins": [
      {
        "number": "1",
        "name": "OE1",
        "type": "input",
        "description": "Active-low output enable 1; when OE1 or OE2 is high, all eight outputs are forced to the high-impedance state."
      },
      {
        "number": "2",
        "name": "A1",
        "type": "input",
        "description": "Data input A1 with Schmitt trigger action, tolerant to 5.5V, allowing 3.3V or 5V drive in a mixed-voltage system."
      },
      {
        "number": "3",
        "name": "A2",
        "type": "input",
        "description": "Data input A2 with Schmitt trigger action, tolerant to 5.5V, allowing 3.3V or 5V drive in a mixed-voltage system."
      },
      {
        "number": "4",
        "name": "A3",
        "type": "input",
        "description": "Data input A3 with Schmitt trigger action, tolerant to 5.5V, allowing 3.3V or 5V drive in a mixed-voltage system."
      },
      {
        "number": "5",
        "name": "A4",
        "type": "input",
        "description": "Data input A4 with Schmitt trigger action, tolerant to 5.5V, allowing 3.3V or 5V drive in a mixed-voltage system."
      },
      {
        "number": "6",
        "name": "A5",
        "type": "input",
        "description": "Data input A5 with Schmitt trigger action, tolerant to 5.5V, allowing 3.3V or 5V drive in a mixed-voltage system."
      },
      {
        "number": "7",
        "name": "A6",
        "type": "input",
        "description": "Data input A6 with Schmitt trigger action, tolerant to 5.5V, allowing 3.3V or 5V drive in a mixed-voltage system."
      },
      {
        "number": "8",
        "name": "A7",
        "type": "input",
        "description": "Data input A7 with Schmitt trigger action, tolerant to 5.5V, allowing 3.3V or 5V drive in a mixed-voltage system."
      },
      {
        "number": "9",
        "name": "A8",
        "type": "input",
        "description": "Data input A8 with Schmitt trigger action, tolerant to 5.5V, allowing 3.3V or 5V drive in a mixed-voltage system."
      },
      {
        "number": "10",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "11",
        "name": "B8",
        "type": "tri_state",
        "description": "Inverting 3-state data output B8, sinking or sourcing up to 24mA at VCC = 3V."
      },
      {
        "number": "12",
        "name": "B7",
        "type": "tri_state",
        "description": "Inverting 3-state data output B7, sinking or sourcing up to 24mA at VCC = 3V."
      },
      {
        "number": "13",
        "name": "B6",
        "type": "tri_state",
        "description": "Inverting 3-state data output B6, sinking or sourcing up to 24mA at VCC = 3V."
      },
      {
        "number": "14",
        "name": "B5",
        "type": "tri_state",
        "description": "Inverting 3-state data output B5, sinking or sourcing up to 24mA at VCC = 3V."
      },
      {
        "number": "15",
        "name": "B4",
        "type": "tri_state",
        "description": "Inverting 3-state data output B4, sinking or sourcing up to 24mA at VCC = 3V."
      },
      {
        "number": "16",
        "name": "B3",
        "type": "tri_state",
        "description": "Inverting 3-state data output B3, sinking or sourcing up to 24mA at VCC = 3V."
      },
      {
        "number": "17",
        "name": "B2",
        "type": "tri_state",
        "description": "Inverting 3-state data output B2, sinking or sourcing up to 24mA at VCC = 3V."
      },
      {
        "number": "18",
        "name": "B1",
        "type": "tri_state",
        "description": "Inverting 3-state data output B1, sinking or sourcing up to 24mA at VCC = 3V."
      },
      {
        "number": "19",
        "name": "OE2",
        "type": "input",
        "description": "Active-low output enable 2; when OE1 or OE2 is high, all eight outputs are forced to the high-impedance state."
      },
      {
        "number": "20",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage, operating range 1.65V to 3.6V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
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        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pinout taken from the TSSOP-20 pin table (datasheet page 2) for the 74LVC540AT20-13, whose package c; Datasheet labels B1-B8 as 'Data Output'. Typed as tri_state because the datasheet describes them as ; The pin table gives no per-pin electrical limits. Input-tolerance (5.5V) and output drive (24mA) sta"
        ],
        "pages_sent": 10,
        "cost_usd": 0.0565,
        "at": "2026-10-21T19:12:43"
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        "pages": 10,
        "sha256": "0f80e6cae2d80ea1",
        "source_tier": "mfr"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 20,
        "described": 20,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
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        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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        "checked": "2026-10-21",
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Diodes Incorporated",
      "Package": "TSSOP-20",
      "Category": "Logic",
      "Pins": "20"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
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          "name": "ESD Protection, Human Body Model",
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          "conditions": "Charged Device Model",
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          "name": "Supply Voltage Data Retention",
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          "kind": "recommended_operating",
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        {
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        {
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          "symbol": "IOH",
          "kind": "recommended_operating",
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          "typ": null,
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          "conditions": "VCC = 1.65V",
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        {
          "name": "High-Level Output Current",
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          "kind": "recommended_operating",
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          "typ": null,
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          "conditions": "VCC = 2.3V",
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          "source": "datasheet"
        },
        {
          "name": "High-Level Output Current",
          "symbol": "IOH",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": -12,
          "conditions": "VCC = 2.7V",
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        {
          "name": "High-Level Output Current",
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          "kind": "recommended_operating",
          "unit": "mA",
          "min": null,
          "typ": null,
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          "conditions": "VCC = 3.0V",
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          "source": "datasheet"
        },
        {
          "name": "Low-Level Output Current",
          "symbol": "IOL",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 4,
          "conditions": "VCC = 1.65V",
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        {
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          "kind": "recommended_operating",
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          "typ": null,
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          "conditions": "VCC = 2.3V",
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        {
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          "kind": "recommended_operating",
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          "min": null,
          "typ": null,
          "max": 12,
          "conditions": "VCC = 2.7V",
          "source_page": 3,
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        {
          "name": "Low-Level Output Current",
          "symbol": "IOL",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 24,
          "conditions": "VCC = 3.0V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Transition Rise or Fall Rate",
          "symbol": "∆t/∆V",
          "kind": "recommended_operating",
          "unit": "ns/V",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "",
          "source_page": 3,
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        },
        {
          "name": "Operating Free-Air Temperature",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "ºC",
          "min": -40,
          "typ": null,
          "max": 125,
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        {
          "name": "High-Level Input Voltage",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.7,
          "typ": null,
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          "conditions": "VCC 2.3V to 2.7V; TA -40°C to +85°C",
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        {
          "name": "High-Level Input Voltage",
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          "kind": "electrical",
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          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "VCC 3.0V to 3.6V; TA -40°C to +85°C",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Low-Level Input Voltage",
          "symbol": "VIL",
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          "max": 0.7,
          "conditions": "VCC 2.3V to 2.7V; TA -40°C to +85°C",
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        {
          "name": "Low-Level Input Voltage",
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          "kind": "electrical",
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          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "VCC 3.0V to 3.6V; TA -40°C to +85°C",
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        {
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          "kind": "electrical",
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          "min": 1.2,
          "typ": null,
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          "conditions": "IOH = -4mA; VCC 1.65V; TA -40°C to +85°C",
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        },
        {
          "name": "High-Level Output Voltage",
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          "min": 1.7,
          "typ": null,
          "max": null,
          "conditions": "IOH = -8mA; VCC 2.3V; TA -40°C to +85°C",
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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": "IOH = -12mA; VCC 2.7V; TA -40°C to +85°C",
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          "source": "datasheet"
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        {
          "name": "High-Level Output Voltage",
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          "min": 2.4,
          "typ": null,
          "max": null,
          "conditions": "IOH = -12mA; VCC 3.0V; TA -40°C to +85°C",
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          "source": "datasheet"
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        {
          "name": "High-Level Output Voltage",
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          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Low-Level Output Voltage",
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          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.2,
          "conditions": "IOL = 100μA; VCC 1.65V to 3.6V; TA -40°C to +85°C",
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          "source": "datasheet"
        },
        {
          "name": "Low-Level Output Voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.45,
          "conditions": "IOL = 4mA; VCC 1.65V; TA -40°C to +85°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Low-Level Output Voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.6,
          "conditions": "IOL = 8mA; VCC 2.3V; TA -40°C to +85°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Low-Level Output Voltage",
          "symbol": "VOL",
          "kind": "electrical",
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          "min": null,
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          "max": 0.4,
          "conditions": "IOL = 12mA; VCC 2.7V; TA -40°C to +85°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Low-Level Output Voltage",
          "symbol": "VOL",
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          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.55,
          "conditions": "IOL = 24mA; VCC 3.0V; TA -40°C to +85°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Power Down Leakage Current",
          "symbol": "IOFF",
          "kind": "electrical",
          "unit": "μA",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "VI or VO = 0 or 5.5V; VCC 0V; TA -40°C to +85°C",
          "source_page": 4,
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