component
FT240XQ-T
Public Made by Adomby adom
FTDI USB ICs, QFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "ft240xq-t",
"version": "0.1.0",
"type": "component",
"description": "FTDI USB ICs, QFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"interface ics",
"ft240xq-t",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"ft240xq-t.kicad_sym",
"ft240xq-t.kicad_mod",
"ft240xq-t.glb",
"ft240xq-t.step",
"ft240xq-t.lbr",
"docs/hero.png",
"docs/ft240xq-t-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"ft240xq-t-hero.glb",
"ft240xq-t-hero.overlay.json",
"ft240xq-t-etched.glb"
],
"component": {
"mpn": "FT240XQ-T",
"manufacturer": "FTDI",
"package": "QFN-24-EP(4x4)",
"pin_count": 25,
"category": "Interface ICs",
"subcategory": "USB ICs",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/6d6922074045c19c9d97bcbe6669baea.pdf",
"parts": {
"symbol": "ft240xq-t.kicad_sym",
"footprint": "ft240xq-t.kicad_mod",
"model_3d": "ft240xq-t-hero.glb",
"model_3d_plain": "ft240xq-t-etched.glb",
"model_3d_step": "ft240xq-t-etched.step",
"model_3d_step_plain": "ft240xq-t.step",
"lbr": "ft240xq-t.lbr"
},
"distributor_links": {
"lcsc": "C1521578",
"digikey": "768-1157-ND",
"mouser": "895-FT240XQ-T"
},
"distributor_check": {
"checked_at": "2026-10-31T06:22:43Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "768-1157-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "895-FT240XQ-T",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "D1",
"type": "bidirectional",
"description": "FIFO Data Bus Bit 1."
},
{
"number": "2",
"name": "D7",
"type": "bidirectional",
"description": "FIFO Data Bus Bit 7."
},
{
"number": "3",
"name": "GND",
"type": "power_in",
"description": "Device ground supply pin."
},
{
"number": "4",
"name": "D5",
"type": "bidirectional",
"description": "FIFO Data Bus Bit 5."
},
{
"number": "5",
"name": "D6",
"type": "bidirectional",
"description": "FIFO Data Bus Bit 6."
},
{
"number": "6",
"name": "D3",
"type": "bidirectional",
"description": "FIFO Data Bus Bit 3."
},
{
"number": "7",
"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": "8",
"name": "RD#",
"type": "input",
"description": "Enables the current FIFO data byte on D0...D7 when low and fetches the next FIFO data byte from the receive FIFO buffer when RD# goes from high to low."
},
{
"number": "9",
"name": "WR",
"type": "input",
"description": "Writes the data byte on the D0...D7 pins into the transmit FIFO buffer when WR goes from high to low."
},
{
"number": "10",
"name": "USBDP",
"type": "bidirectional",
"description": "USB Data Signal Plus, incorporating 1.5kΩ pull up resistor to 3.3V."
},
{
"number": "11",
"name": "USBDM",
"type": "bidirectional",
"description": "USB Data Signal Minus."
},
{
"number": "12",
"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 should be connected to pin 15."
},
{
"number": "13",
"name": "RESET#",
"type": "input",
"description": "Active low reset pin used by an external device to reset the FT240X; can be left unconnected or pulled up to VCC if not required."
},
{
"number": "14",
"name": "VCORE",
"type": "power_out",
"description": "+1V8 output that may be left unterminated."
},
{
"number": "15",
"name": "VCC",
"type": "power_in",
"description": "+5V (or 3V3) supply to the device core."
},
{
"number": "16",
"name": "GND",
"type": "power_in",
"description": "Device ground supply pin."
},
{
"number": "17",
"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": "18",
"name": "RXF#",
"type": "output",
"description": "When high, do not read data from the FIFO; when low, data is available to read by strobing RD# low then high; tristate during reset, and becomes an input during USB suspend if Remote Wakeup is enabled."
},
{
"number": "19",
"name": "CBUS6",
"type": "bidirectional",
"description": "Configurable CBUS I/O pin whose function is set in the device MTP memory (see Table 3.9)."
},
{
"number": "20",
"name": "CBUS5",
"type": "bidirectional",
"description": "Configurable CBUS I/O pin whose function is set in the device MTP memory (see Table 3.9)."
},
{
"number": "21",
"name": "D0",
"type": "bidirectional",
"description": "FIFO Data Bus Bit 0."
},
{
"number": "22",
"name": "D4",
"type": "bidirectional",
"description": "FIFO Data Bus Bit 4."
},
{
"number": "23",
"name": "D2",
"type": "bidirectional",
"description": "FIFO Data Bus Bit 2."
},
{
"number": "24",
"name": "VCCIO",
"type": "power_in",
"description": "1V8 - 3V3 supply for the IO cells."
},
{
"number": "25",
"name": "GND",
"type": "power_in",
"description": "Centre pad on package base, internally connected to GND; connect to GND."
}
],
"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: Pin 25 (exposed pad) is described only as a footnote ('Pin 25 is the centre pad... Connect to GND') ; The datasheet gives pin-table types as PWR/I/O/Input/Output. Types were mapped to KiCad classes: 3V3"
],
"pages_sent": 27,
"cost_usd": 0.2038,
"at": "2026-10-31T06:22:14"
},
"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": 25,
"described": 25,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "ft240xq-t.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
4.0,
4.0,
0.77
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "096fc110543e6d324c5120c2d38e3dca87a389da9b6fac234f1fe40856295ef4",
"checked": "2026-10-31",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "ft240xq-t-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
4.0,
4.0,
0.77
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "80d69deacfd298ee2f36a9cd3cd39272426bee67c18c91aa25d95ed39642dd4c",
"checked": "2026-10-31",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
],
"package_dims": {
"package_code": "QFN-24 (WQFN X424)",
"source_page": 34,
"D": {
"nom_mm": 4.0,
"range_mm": [
null,
null
]
},
"E1": {
"nom_mm": 4.0,
"range_mm": [
null,
null
]
},
"e": {
"nom_mm": 0.5,
"range_mm": [
null,
null
]
},
"source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
"model_check": {
"file": "ft240xq-t.step",
"verdict": "SKIP",
"reasons": [
"the datasheet dimensions give no height or body size to compare"
],
"by": "factory/package_fit.py"
}
}
}
}