FT240XS-R

{
  "schema_version": 1,
  "type": "component",
  "slug": "ft240xs-r",
  "title": "FT240XS-R",
  "brief": "FTDI USB ICs, SSOP-24-150mil. 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",
    "interface ics",
    "ft240xs-r",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "FT240XS-R",
    "manufacturer": "FTDI",
    "package": "SSOP-24-150mil",
    "pin_count": 24,
    "category": "Interface ICs",
    "subcategory": "USB ICs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/6d6922074045c19c9d97bcbe6669baea.pdf",
    "parts": {
      "symbol": "ft240xs-r.kicad_sym",
      "footprint": "ft240xs-r.kicad_mod",
      "model_3d": "ft240xs-r-hero.glb",
      "model_3d_plain": "ft240xs-r-etched.glb",
      "model_3d_step": "ft240xs-r-etched.step",
      "model_3d_step_plain": "ft240xs-r.step",
      "lbr": "ft240xs-r.lbr"
    },
    "distributor_links": {
      "lcsc": "C2651872",
      "digikey": "768-1127-2-ND",
      "mouser": "895-FT240XS-R"
    },
    "distributor_check": {
      "checked_at": "2026-11-06T00:03:05Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "768-1127-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "895-FT240XS-R",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "D4",
        "type": "bidirectional",
        "description": "FIFO data bus bit 4; when used in input mode it is pulled to VCCIO through an internal 200kΩ resistor."
      },
      {
        "number": "2",
        "name": "D2",
        "type": "bidirectional",
        "description": "FIFO data bus bit 2; when used in input mode it is pulled to VCCIO through an internal 200kΩ resistor."
      },
      {
        "number": "3",
        "name": "VCCIO",
        "type": "power_in",
        "description": "1V8 to 3V3 supply for the IO cells."
      },
      {
        "number": "4",
        "name": "D1",
        "type": "bidirectional",
        "description": "FIFO data bus bit 1; when used in input mode it is pulled to VCCIO through an internal 200kΩ resistor."
      },
      {
        "number": "5",
        "name": "D7",
        "type": "bidirectional",
        "description": "FIFO data bus bit 7; when used in input mode it is pulled to VCCIO through an internal 200kΩ resistor."
      },
      {
        "number": "6",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground supply pin."
      },
      {
        "number": "7",
        "name": "D5",
        "type": "bidirectional",
        "description": "FIFO data bus bit 5; when used in input mode it is pulled to VCCIO through an internal 200kΩ resistor."
      },
      {
        "number": "8",
        "name": "D6",
        "type": "bidirectional",
        "description": "FIFO data bus bit 6; when used in input mode it is pulled to VCCIO through an internal 200kΩ resistor."
      },
      {
        "number": "9",
        "name": "D3",
        "type": "bidirectional",
        "description": "FIFO data bus bit 3; when used in input mode it is pulled to VCCIO through an internal 200kΩ resistor."
      },
      {
        "number": "10",
        "name": "SIWU#",
        "type": "input",
        "description": "Active low input used to flush the IC buffer back to the PC (Send Immediate) or as a wake-up signal when the PC is in suspend mode."
      },
      {
        "number": "11",
        "name": "RD#",
        "type": "input",
        "description": "Enables the current FIFO data byte on D0...D7 when low, and fetches the next byte from the receive FIFO buffer when RD# goes from high to low."
      },
      {
        "number": "12",
        "name": "WR",
        "type": "input",
        "description": "Writes the data byte on D0...D7 into the transmit FIFO buffer when WR goes from high to low."
      },
      {
        "number": "13",
        "name": "USBDP",
        "type": "bidirectional",
        "description": "USB Data Signal Plus, incorporating a 1.5kΩ pull-up resistor to 3.3V."
      },
      {
        "number": "14",
        "name": "USBDM",
        "type": "bidirectional",
        "description": "USB Data Signal Minus."
      },
      {
        "number": "15",
        "name": "3V3OUT",
        "type": "power_out",
        "description": "3V3 output at 50mA that may be used to power VCCIO; when VCC is 3V3 this pin is an input and must be connected to pin 18."
      },
      {
        "number": "16",
        "name": "RESET#",
        "type": "input",
        "description": "Active low reset input that can be driven by an external device to reset the FT240X; if not required it can be left unconnected or pulled up to VCC."
      },
      {
        "number": "17",
        "name": "VCORE",
        "type": "power_out",
        "description": "+1V8 output that may be left unterminated."
      },
      {
        "number": "18",
        "name": "VCC",
        "type": "power_in",
        "description": "+5V (or 3V3) supply to the device core; if VCC is 3V3, 3V3OUT must also be driven with a 3V3 input."
      },
      {
        "number": "19",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground supply pin."
      },
      {
        "number": "20",
        "name": "TXE#",
        "type": "output",
        "description": "When high do not write data into the FIFO; when low, data can be written by strobing WR high then low; tristate during reset."
      },
      {
        "number": "21",
        "name": "RXF#",
        "type": "output",
        "description": "When low, data is available to read by strobing RD# low then high; tristate during reset, and becomes an input for USB remote wake-up during suspend if that option is enabled."
      },
      {
        "number": "22",
        "name": "CBUS6",
        "type": "bidirectional",
        "description": "Configurable CBUS I/O pin whose function is set in the internal MTP memory (see CBUS Signal Options, Table 3.9)."
      },
      {
        "number": "23",
        "name": "CBUS5",
        "type": "bidirectional",
        "description": "Configurable CBUS I/O pin whose function is set in the internal MTP memory (see CBUS Signal Options, Table 3.9)."
      },
      {
        "number": "24",
        "name": "D0",
        "type": "bidirectional",
        "description": "FIFO data bus bit 0; when used in input mode it is pulled to VCCIO through an internal 200kΩ resistor."
      }
    ],
    "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: Pin 15 (3V3OUT) is listed as 'Output' but the datasheet says it is an input when VCC is 3V3 and must; VCORE is a +1V8 output from the internal regulator; the datasheet says it may be left unterminated. ; The 200kΩ pull-up to VCCIO applies to FIFO interface pins when used as inputs, per note 2 of Table 3"
        ],
        "pages_sent": 27,
        "cost_usd": 0.108,
        "at": "2026-11-06T00:02:44"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/6d6922074045c19c9d97bcbe6669baea.pdf",
        "pages": 41,
        "sha256": "5765a1e6b849401b",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 24,
        "described": 24,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "role": "plain",
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        "units": "mm",
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        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "9e0654855743c5437aa9f4979b47c0dc621f54be5ccb6b51a2f0a01b2ec9981f",
        "checked": "2026-11-06",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ft240xs-r-etched.step",
        "role": "eda",
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "a5989a3911d2946aadb37180b038f99fe70e7c55265b96d088847c1a488a3ba4",
        "checked": "2026-11-06",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "SSOP-24",
      "source_page": 32,
      "D": {
        "nom_mm": 8.66,
        "range_mm": [
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      },
      "E1": {
        "nom_mm": 3.91,
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      },
      "E": {
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      },
      "e": {
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        "range_mm": [
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      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "ft240xs-r.step",
        "verdict": "PASS",
        "reasons": [
          "body within the datasheet's package drawing"
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        "by": "factory/package_fit.py"
      }
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "FTDI",
      "Package": "SSOP-24-150mil",
      "Category": "Interface ICs",
      "Pins": "24"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "5765a1e6b849401b469081411dbe7c7cccda889f568e34bd934fffb19872532f",
      "rows": [
        {
          "name": "Storage Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
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          "typ": null,
          "max": 150,
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        {
          "name": "Ambient Operating Temperature (Power Applied)",
          "symbol": "",
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          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
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        },
        {
          "name": "VCC Supply Voltage",
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        {
          "name": "VCCIO IO Voltage",
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        {
          "name": "DC Input Voltage – USBDP and USBDM",
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        {
          "name": "DC Input Voltage – High Impedance Bi-directional (powered from VCCIO)",
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          "name": "DC Output Current – Outputs",
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        },
        {
          "name": "VCC Operating Supply Voltage",
          "symbol": "VCC",
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          "max": 5.5,
          "conditions": "Normal Operation",
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        },
        {
          "name": "VCCIO Operating Supply Voltage",
          "symbol": "VCCIO",
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        },
        {
          "name": "Operating Supply Current",
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          "kind": "electrical",
          "unit": "mA",
          "min": 8,
          "typ": 8,
          "max": 8.4,
          "conditions": "Normal Operation",
          "source_page": 17,
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        },
        {
          "name": "3.3V regulator output",
          "symbol": "3V3",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.97,
          "typ": 3.3,
          "max": 3.63,
          "conditions": "VCC must be greater than 3V3; otherwise 3V3OUT is an input driven with 3.3V",
          "source_page": 17,
          "source": "datasheet"
        },
        {
          "name": "Frequency of Operation (internal clock)",
          "symbol": "",
          "kind": "electrical",
          "unit": "MHz",
          "min": 11.98,
          "typ": 12,
          "max": 12.02,
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          "source_page": 21,
          "source": "datasheet"
        },
        {
          "name": "Clock Period (internal clock)",
          "symbol": "",
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          "unit": "ns",
          "min": 83.19,
          "typ": 83.33,
          "max": 83.47,
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        },
        {
          "name": "Duty Cycle (internal clock)",
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          "unit": "%",
          "min": 45,
          "typ": 50,
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          "source_page": 21,
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        },
        {
          "name": "Output Voltage Low (FIFO I/O, VCCIO = +3.3V)",
          "symbol": "Vol",
          "kind": "electrical",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 0.4,
          "conditions": "VCCIO = +3.3V; Iol = +/-2mA; I/O Drive strength = 4mA",
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          "source": "datasheet"
        },
        {
          "name": "Input low Switching Threshold (FIFO I/O)",
          "symbol": "Vil",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "VCCIO = +3.3V; LVTTL",
          "source_page": 18,
          "source": "datasheet"
        },
        {
          "name": "Input High Switching Threshold (FIFO I/O)",
          "symbol": "Vih",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "VCCIO = +3.3V; LVTTL",
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        },
        {
          "name": "Input pull-up resistance (FIFO I/O)",
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          "kind": "electrical",
          "unit": "KΩ",
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          "typ": 75,
          "max": 190,
          "conditions": "VCCIO = +3.3V; Vin = 0",
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          "source": "datasheet"
        },
        {
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          "kind": "electrical",
          "unit": "KΩ",
          "min": 40,
          "typ": 75,
          "max": 190,
          "conditions": "VCCIO = +3.3V; Vin = VCCIO",
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        },
        {
          "name": "Input Leakage Current (FIFO I/O)",
          "symbol": "Iin",
          "kind": "electrical",
          "unit": "μA",
          "min": -10,
          "typ": 1,
          "max": 10,
          "conditions": "VCCIO = +3.3V; Vin = 0",
          "source_page": 18,
          "source": "datasheet"
        },
        {
          "name": "Tri-state output leakage current (FIFO I/O)",
          "symbol": "Ioz",
          "kind": "electrical",
          "unit": "μA",
          "min": -10,
          "typ": 1,
          "max": 10,
          "conditions": "VCCIO = +3.3V; Vin = 5.5V or 0",
          "source_page": 18,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Low (FIFO I/O, VCCIO = +2.5V)",
          "symbol": "Vol",
          "kind": "electrical",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 0.4,
          "conditions": "VCCIO = +2.5V; Iol = +/-2mA; I/O Drive strength = 4mA",
          "source_page": 19,
          "source": "datasheet"
        },
        {
          "name": "Input low Switching Threshold (FIFO I/O)",
          "symbol": "Vil",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "VCCIO = +2.5V; LVTTL",
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        },
        {
          "name": "Input High Switching Threshold (FIFO I/O)",
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          "kind": "electrical",
          "unit": "V",
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        {
          "name": "Input pull-up resistance (FIFO I/O)",
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          "kind": "electrical",
          "unit": "KΩ",
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          "typ": 75,
          "max": 190,
          "conditions": "VCCIO = +2.5V; Vin = 0",
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        },
        {
          "name": "Input pull-down resistance (FIFO I/O)",
          "symbol": "Rpd",
          "kind": "electrical",
          "unit": "KΩ",
          "min": 40,
          "typ": 75,
          "max": 190,
          "conditions": "VCCIO = +2.5V; Vin = VCCIO",
          "source_page": 19,
          "source": "datasheet"
        },
        {
          "name": "Input Leakage Current (FIFO I/O)",
          "symbol": "Iin",
          "kind": "electrical",
          "unit": "μA",
          "min": -10,
          "typ": 1,
          "max": 10,
          "conditions": "VCCIO = +2.5V; Vin = 0",
          "source_page": 19,
          "source": "datasheet"
        },
        {
          "name": "Tri-state output leakage current (FIFO I/O)",
          "symbol": "Ioz",
          "kind": "electrical",
          "unit": "μA",
          "min": -10,
          "typ": 1,
          "max": 10,
          "conditions": "VCCIO = +2.5V; Vin = 5.5V or 0",
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          "source": "datasheet"
        },
        {
          "name": "Input low Switching Threshold (FIFO I/O)",
          "symbol": "Vil",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.77,
          "conditions": "VCCIO = +1.8V; LVTTL",
          "source_page": 20,
          "source": "datasheet"
        },
        {
          "name": "Input High Switching Threshold (FIFO I/O)",
          "symbol": "Vih",
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          "unit": "V",
          "min": 1.6,
          "typ": null,
          "max": null,
          "conditions": "VCCIO = +1.8V; LVTTL",
          "source_page": 20,
          "source": "datasheet"
        },
        {
          "name": "Input pull-up resistance (FIFO I/O)",
          "symbol": "Rpu",
          "kind": "electrical",
          "unit": "KΩ",
          "min": 40,
          "typ": 75,
          "max": 190,
          "conditions": "VCCIO = +1.8V; Vin = 0",
          "source_page": 20,
          "source": "datasheet"
        },
        {
          "name": "Input pull-down resistance (FIFO I/O)",
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          "unit": "KΩ",
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          "typ": 75,
          "max": 190,
          "conditions": "VCCIO = +1.8V; Vin = VCCIO",
          "source_page": 20,
          "source": "datasheet"
        },
        {
          "name": "Input Leakage Current (FIFO I/O)",
          "symbol": "Iin",
          "kind": "electrical",
          "unit": "μA",
          "min": -10,
          "typ": 1,
          "max": 10,
          "conditions": "VCCIO = +1.8V; Vin = 0",
          "source_page": 20,
          "source": "datasheet"
        },
        {
          "name": "Tristate output leakage current (FIFO I/O)",
          "symbol": "Ioz",
          "kind": "electrical",
          "unit": "μA",
          "min": -10,
          "typ": 1,
          "max": 10,
          "conditions": "VCCIO = +1.8V; Vin = 5.5V or 0",
          "source_page": 20,
          "source": "datasheet"
        },
        {
          "name": "USB I/O Output Voltage Low (USBDP, USBDM)",
          "symbol": "Vol",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.2,
          "conditions": "",
          "source_page": 20,
          "source": "datasheet"
        },
        {
          "name": "USB I/O Input low Switching Threshold (USBDP, USBDM)",
          "symbol": "Vil",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "",
          "source_page": 20,
          "source": "datasheet"
        },
        {
          "name": "USB I/O Input High Switching Threshold (USBDP, USBDM)",
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