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Ray Set visibility: public f68db4b 5d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "74lvc240at20-13",
  "title": "74LVC240AT20-13",
  "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",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "logic",
    "74lvc240at20-13",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "74LVC240AT20-13",
    "manufacturer": "Diodes Incorporated",
    "package": "TSSOP-20",
    "pin_count": 20,
    "category": "Logic",
    "subcategory": "Buffers, Drivers, Receivers, Transceivers",
    "datasheet": "https://www.diodes.com/assets/Datasheets/74LVC240AT20-13.pdf",
    "parts": {
      "symbol": "74lvc240at20-13.kicad_sym",
      "footprint": "74lvc240at20-13.kicad_mod",
      "model_3d": "74lvc240at20-13-hero.glb",
      "model_3d_plain": "74lvc240at20-13-etched.glb",
      "model_3d_step": "74lvc240at20-13-etched.step",
      "model_3d_step_plain": "74lvc240at20-13.step",
      "lbr": "74lvc240at20-13.lbr"
    },
    "distributor_links": {
      "lcsc": "C842650",
      "digikey": "31-74LVC240AT20-13TR-ND",
      "mouser": "621-74LVC240AT20-13"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T15:29:42Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "31-74LVC240AT20-13TR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "621-74LVC240AT20-13",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1OE",
        "type": "input",
        "description": "Output Enable 1 (active low); when low, the 1A inputs pass to the 1Y outputs, and when high, the 1Y outputs are in the high-impedance state."
      },
      {
        "number": "2",
        "name": "1A1",
        "type": "input",
        "description": "Data input 1A1 of the first 4-bit buffer, passing to output 1Y1 when 1OE is low."
      },
      {
        "number": "3",
        "name": "2Y4",
        "type": "tri_state",
        "description": "Data output 2Y4 of the second 4-bit buffer, three-state and high-impedance when 2OE is high."
      },
      {
        "number": "4",
        "name": "1A2",
        "type": "input",
        "description": "Data input 1A2 of the first 4-bit buffer, passing to output 1Y2 when 1OE is low."
      },
      {
        "number": "5",
        "name": "2Y3",
        "type": "tri_state",
        "description": "Data output 2Y3 of the second 4-bit buffer, three-state and high-impedance when 2OE is high."
      },
      {
        "number": "6",
        "name": "1A3",
        "type": "input",
        "description": "Data input 1A3 of the first 4-bit buffer, passing to output 1Y3 when 1OE is low."
      },
      {
        "number": "7",
        "name": "2Y2",
        "type": "tri_state",
        "description": "Data output 2Y2 of the second 4-bit buffer, three-state and high-impedance when 2OE is high."
      },
      {
        "number": "8",
        "name": "1A4",
        "type": "input",
        "description": "Data input 1A4 of the first 4-bit buffer, passing to output 1Y4 when 1OE is low."
      },
      {
        "number": "9",
        "name": "2Y1",
        "type": "tri_state",
        "description": "Data output 2Y1 of the second 4-bit buffer, three-state and high-impedance when 2OE is high."
      },
      {
        "number": "10",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin."
      },
      {
        "number": "11",
        "name": "2A1",
        "type": "input",
        "description": "Data input 2A1 of the second 4-bit buffer, passing to output 2Y1 when 2OE is low."
      },
      {
        "number": "12",
        "name": "1Y4",
        "type": "tri_state",
        "description": "Data output 1Y4 of the first 4-bit buffer, three-state and high-impedance when 1OE is high."
      },
      {
        "number": "13",
        "name": "2A2",
        "type": "input",
        "description": "Data input 2A2 of the second 4-bit buffer, passing to output 2Y2 when 2OE is low."
      },
      {
        "number": "14",
        "name": "1Y3",
        "type": "tri_state",
        "description": "Data output 1Y3 of the first 4-bit buffer, three-state and high-impedance when 1OE is high."
      },
      {
        "number": "15",
        "name": "2A3",
        "type": "input",
        "description": "Data input 2A3 of the second 4-bit buffer, passing to output 2Y3 when 2OE is low."
      },
      {
        "number": "16",
        "name": "1Y2",
        "type": "tri_state",
        "description": "Data output 1Y2 of the first 4-bit buffer, three-state and high-impedance when 1OE is high."
      },
      {
        "number": "17",
        "name": "2A4",
        "type": "input",
        "description": "Data input 2A4 of the second 4-bit buffer, passing to output 2Y4 when 2OE is low."
      },
      {
        "number": "18",
        "name": "1Y1",
        "type": "tri_state",
        "description": "Data output 1Y1 of the first 4-bit buffer, three-state and high-impedance when 1OE is high."
      },
      {
        "number": "19",
        "name": "2OE",
        "type": "input",
        "description": "Output Enable 2 (active low); when low, the 2A inputs pass to the 2Y outputs, and when high, the 2Y outputs are in the high-impedance state."
      },
      {
        "number": "20",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage pin for the device."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "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: The page 2 pin description table is not explicitly labeled with a package. It was mapped to TSSOP-20"
        ],
        "pages_sent": 10,
        "cost_usd": 0.0546,
        "at": "2026-10-18T15:29:25"
      },
      "datasheet": {
        "url": "https://www.diodes.com/assets/Datasheets/74LVC240AT20-13.pdf",
        "pages": 10,
        "sha256": "337547a85943dc13",
        "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": "74lvc240at20-13.step",
        "role": "plain",
        "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": "97339947f3a7196470ec2f1d9f9b92bb2fc2ab66ad53be0cf105192585ef3c9a",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "74lvc240at20-13-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Diodes Incorporated",
      "Package": "TSSOP-20",
      "Category": "Logic",
      "Pins": "20"
    },
    "characteristics": {
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      "source": "datasheet",
      "datasheet_sha256": "337547a85943dc1332bfa1f578f7279233b4cdc78f82e8851b66c4fd4426fab7",
      "rows": [
        {
          "name": "Supply Voltage (operating)",
          "symbol": "VCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.65,
          "typ": null,
          "max": 3.6,
          "conditions": "Operating",
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        {
          "name": "Data Retention Supply Voltage",
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          "conditions": "Data Retention Only",
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          "name": "Input Voltage",
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          "max": -4,
          "conditions": "VCC = 1.65V",
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        {
          "name": "High-Level Output Current",
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          "kind": "recommended_operating",
          "unit": "mA",
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          "typ": null,
          "max": -8,
          "conditions": "VCC = 2.3V",
          "source_page": 3,
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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 = 2.7V",
          "source_page": 3,
          "source": "datasheet"
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        {
          "name": "High-Level Output Current",
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          "kind": "recommended_operating",
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          "min": null,
          "typ": null,
          "max": -24,
          "conditions": "VCC = 3.0V",
          "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": 4,
          "conditions": "VCC = 1.65V",
          "source_page": 3,
          "source": "datasheet"
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        {
          "name": "Low-Level Output Current",
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          "kind": "recommended_operating",
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          "min": null,
          "typ": null,
          "max": 8,
          "conditions": "VCC = 2.3V",
          "source_page": 3,
          "source": "datasheet"
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        {
          "name": "Low-Level Output Current",
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          "kind": "recommended_operating",
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          "min": null,
          "typ": null,
          "max": 12,
          "conditions": "VCC = 2.7V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "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": "Δt/ΔV",
          "kind": "recommended_operating",
          "unit": "ns/V",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating Free-Air Temperature",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
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        {
          "name": "VCC Supply Voltage Range",
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          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 7,
          "conditions": "",
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        {
          "name": "Input Voltage Range",
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          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Clamp Current",
          "symbol": "IIK",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": -20,
          "conditions": "VI < 0V",
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          "source": "datasheet"
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        {
          "name": "Output Clamp Current",
          "symbol": "IOK",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": -50,
          "conditions": "VO < 0V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Continuous Output Current",
          "symbol": "IO",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -50,
          "typ": null,
          "max": 50,
          "conditions": "-0.5V < VO Vcc + 0.5V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Continuous Current through VCC",
          "symbol": "ICC",
          "kind": "absolute_maximum",
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          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Continuous Current through GND",
          "symbol": "IGND",
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          "min": null,
          "typ": null,
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          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
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        {
          "name": "Storage Temperature",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
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          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Total Power Dissipation",
          "symbol": "PTOT",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
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        {
          "name": "High-Level Input Voltage",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.7,
          "typ": null,
          "max": null,
          "conditions": "VCC 2.3V to 2.7V, TA = -40°C to +125°C",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "High-Level Input Voltage",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "VCC 3.0V to 3.6V, TA = -40°C to +125°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Low-Level Input Voltage",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.7,
          "conditions": "VCC 2.3V to 2.7V, TA = -40°C to +125°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Low-Level Input Voltage",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "VCC 3.0V to 3.6V, TA = -40°C to +125°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "High-Level Output Voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.05,
          "typ": null,
          "max": null,
          "conditions": "IOH = -4 mA, VCC 1.65V, TA = -40°C to +125°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "High-Level Output Voltage",
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          "min": 1.65,
          "typ": null,
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          "conditions": "IOH = -8 mA, VCC 2.3V, TA = -40°C to +125°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "High-Level Output Voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 2.05,
          "typ": null,
          "max": null,
          "conditions": "IOH = -12 mA, VCC 2.7V, TA = -40°C to +125°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "High-Level Output Voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 2.48,
          "typ": null,
          "max": null,
          "conditions": "IOH = -12 mA, VCC 3.0V, TA = -40°C to +125°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "High-Level Output Voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "IOH = -24 mA, VCC 3.0V, TA = -40°C to +125°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Low-Level Output Voltage",
          "symbol": "VOL",
          "kind": "electrical",
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          "min": null,
          "typ": null,
          "max": 0.3,
          "conditions": "IOL = 100 μA, VCC 1.65V to 3.6V, TA = -40°C to +125°C",
          "source_page": 4,
          "source": "datasheet"
        },
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