CYUSB3304-68LTXC

{
  "schema_version": 1,
  "type": "component",
  "slug": "cyusb3304-68ltxc",
  "title": "CYUSB3304-68LTXC",
  "brief": "Infineon Cypress Semicon USB Converters, QFN-68. 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",
    "cyusb3304-68ltxc",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "CYUSB3304-68LTXC",
    "manufacturer": "Infineon Cypress Semicon",
    "package": "QFN-68",
    "pin_count": 69,
    "category": "Interface",
    "subcategory": "USB Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589838206326763520",
    "parts": {
      "symbol": "cyusb3304-68ltxc.kicad_sym",
      "footprint": "cyusb3304-68ltxc.kicad_mod",
      "model_3d": "cyusb3304-68ltxc-hero.glb",
      "model_3d_plain": "cyusb3304-68ltxc-etched.glb",
      "model_3d_step": "cyusb3304-68ltxc-etched.step",
      "model_3d_step_plain": "cyusb3304-68ltxc.step",
      "lbr": "cyusb3304-68ltxc.lbr"
    },
    "distributor_links": {
      "lcsc": "C462531",
      "digikey": "448-CYUSB3304-68LTXC-ND",
      "mouser": "727-CYUSB3304-68LTXC"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T03:13:48Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "448-CYUSB3304-68LTXC-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "727-CYUSB3304-68LTXC",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "DVDD12",
        "type": "power_in",
        "description": "1.2 V core supply."
      },
      {
        "number": "2",
        "name": "RREF_USB2",
        "type": "passive",
        "description": "Connect to a precision resistor (6.04 kΩ ±1%) to generate a current reference for the USB 2.0 PHY."
      },
      {
        "number": "3",
        "name": "DVDD12",
        "type": "power_in",
        "description": "1.2 V core supply."
      },
      {
        "number": "4",
        "name": "AVDD33",
        "type": "power_in",
        "description": "3.3 V analog supply."
      },
      {
        "number": "5",
        "name": "US_TXM",
        "type": "output",
        "description": "Upstream port SuperSpeed transmit minus."
      },
      {
        "number": "6",
        "name": "US_TXP",
        "type": "output",
        "description": "Upstream port SuperSpeed transmit plus."
      },
      {
        "number": "7",
        "name": "DVDD12",
        "type": "power_in",
        "description": "1.2 V core supply."
      },
      {
        "number": "8",
        "name": "US_RXM",
        "type": "input",
        "description": "Upstream port SuperSpeed receive minus."
      },
      {
        "number": "9",
        "name": "US_RXP",
        "type": "input",
        "description": "Upstream port SuperSpeed receive plus."
      },
      {
        "number": "10",
        "name": "AVDD12",
        "type": "power_in",
        "description": "1.2 V analog supply."
      },
      {
        "number": "11",
        "name": "DS4_TXP",
        "type": "output",
        "description": "Downstream port 4 SuperSpeed transmit plus."
      },
      {
        "number": "12",
        "name": "DS4_TXM",
        "type": "output",
        "description": "Downstream port 4 SuperSpeed transmit minus."
      },
      {
        "number": "13",
        "name": "DVDD12",
        "type": "power_in",
        "description": "1.2 V core supply."
      },
      {
        "number": "14",
        "name": "DS4_RXM",
        "type": "input",
        "description": "Downstream port 4 SuperSpeed receive minus."
      },
      {
        "number": "15",
        "name": "DS4_RXP",
        "type": "input",
        "description": "Downstream port 4 SuperSpeed receive plus."
      },
      {
        "number": "16",
        "name": "AVDD12",
        "type": "power_in",
        "description": "1.2 V analog supply."
      },
      {
        "number": "17",
        "name": "VBUS_US",
        "type": "power_in",
        "description": "Must be connected to VBUS from the US port."
      },
      {
        "number": "18",
        "name": "VBUS_DS",
        "type": "power_in",
        "description": "Powers the Apple-charging circuit; connect to local 5 V supply for multi-charger mode (Apple and BC v1.2 charging), or to GND for BC v1.2 charging only."
      },
      {
        "number": "19",
        "name": "VDD_EFUSE",
        "type": "power_in",
        "description": "1.2 V for normal operation, 2.5 V for programming; customers should connect to 1.2 V."
      },
      {
        "number": "20",
        "name": "SUSPEND",
        "type": "bidirectional",
        "description": "Hub suspend status indicator, asserted when both the SS and USB 2.0 hubs are suspended and de-asserted when either hub leaves suspend."
      },
      {
        "number": "21",
        "name": "RESERVED1",
        "type": "bidirectional",
        "description": "Must be pulled HIGH using a 10 kΩ resistor to VDD_IO."
      },
      {
        "number": "22",
        "name": "RESERVED2",
        "type": "input",
        "description": "Must be pulled HIGH using a 10 kΩ resistor to VDD_IO."
      },
      {
        "number": "23",
        "name": "MODE_SEL[0]",
        "type": "input",
        "description": "Device operation mode select bit 0; refer to Table 5."
      },
      {
        "number": "24",
        "name": "MODE_SEL[1]",
        "type": "input",
        "description": "Device operation mode select bit 1; refer to Table 5."
      },
      {
        "number": "25",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect."
      },
      {
        "number": "26",
        "name": "RREF_SS",
        "type": "passive",
        "description": "Connect to a precision resistor (200 Ω ±1%) for SS PHY termination impedance calibration."
      },
      {
        "number": "27",
        "name": "DVDD12",
        "type": "power_in",
        "description": "1.2 V core supply."
      },
      {
        "number": "28",
        "name": "VDD_IO",
        "type": "power_in",
        "description": "3.3 V I/O supply."
      },
      {
        "number": "29",
        "name": "PWR_EN",
        "type": "bidirectional",
        "description": "Ganged power enable output."
      },
      {
        "number": "30",
        "name": "OVRCURR",
        "type": "input",
        "description": "Ganged overcurrent input."
      },
      {
        "number": "31",
        "name": "RESETN",
        "type": "input",
        "description": "Active LOW reset input."
      },
      {
        "number": "32",
        "name": "I2C_CLK",
        "type": "bidirectional",
        "description": "I2C clock; requires an external pull-up resistor."
      },
      {
        "number": "33",
        "name": "I2C_DATA",
        "type": "bidirectional",
        "description": "I2C data; requires an external pull-up resistor."
      },
      {
        "number": "34",
        "name": "AVDD12",
        "type": "power_in",
        "description": "1.2 V analog supply."
      },
      {
        "number": "35",
        "name": "DS3_RXP",
        "type": "input",
        "description": "Downstream port 3 SuperSpeed receive plus."
      },
      {
        "number": "36",
        "name": "DS3_RXM",
        "type": "input",
        "description": "Downstream port 3 SuperSpeed receive minus."
      },
      {
        "number": "37",
        "name": "DVDD12",
        "type": "power_in",
        "description": "1.2 V core supply."
      },
      {
        "number": "38",
        "name": "DS3_TXP",
        "type": "output",
        "description": "Downstream port 3 SuperSpeed transmit plus."
      },
      {
        "number": "39",
        "name": "DS3_TXM",
        "type": "output",
        "description": "Downstream port 3 SuperSpeed transmit minus."
      },
      {
        "number": "40",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin."
      },
      {
        "number": "41",
        "name": "DS2_TXP",
        "type": "output",
        "description": "Downstream port 2 SuperSpeed transmit plus."
      },
      {
        "number": "42",
        "name": "DS2_TXM",
        "type": "output",
        "description": "Downstream port 2 SuperSpeed transmit minus."
      },
      {
        "number": "43",
        "name": "DVDD12",
        "type": "power_in",
        "description": "1.2 V core supply."
      },
      {
        "number": "44",
        "name": "DS2_RXM",
        "type": "input",
        "description": "Downstream port 2 SuperSpeed receive minus."
      },
      {
        "number": "45",
        "name": "DS2_RXP",
        "type": "input",
        "description": "Downstream port 2 SuperSpeed receive plus."
      },
      {
        "number": "46",
        "name": "AVDD12",
        "type": "power_in",
        "description": "1.2 V analog supply."
      },
      {
        "number": "47",
        "name": "DS1_TXP",
        "type": "output",
        "description": "Downstream port 1 SuperSpeed transmit plus."
      },
      {
        "number": "48",
        "name": "DS1_TXM",
        "type": "output",
        "description": "Downstream port 1 SuperSpeed transmit minus."
      },
      {
        "number": "49",
        "name": "DVDD12",
        "type": "power_in",
        "description": "1.2 V core supply."
      },
      {
        "number": "50",
        "name": "DS1_RXM",
        "type": "input",
        "description": "Downstream port 1 SuperSpeed receive minus."
      },
      {
        "number": "51",
        "name": "DS1_RXP",
        "type": "input",
        "description": "Downstream port 1 SuperSpeed receive plus."
      },
      {
        "number": "52",
        "name": "AVDD12",
        "type": "power_in",
        "description": "1.2 V analog supply."
      },
      {
        "number": "53",
        "name": "AVDD12",
        "type": "power_in",
        "description": "1.2 V analog supply."
      },
      {
        "number": "54",
        "name": "XTL_OUT",
        "type": "passive",
        "description": "Crystal out; connects to the external 26 MHz crystal."
      },
      {
        "number": "55",
        "name": "XTL_IN",
        "type": "passive",
        "description": "Crystal in; connects to the external 26 MHz crystal."
      },
      {
        "number": "56",
        "name": "AVDD33",
        "type": "power_in",
        "description": "3.3 V analog supply."
      },
      {
        "number": "57",
        "name": "US_DP",
        "type": "bidirectional",
        "description": "Upstream port USB 2.0 data plus."
      },
      {
        "number": "58",
        "name": "US_DM",
        "type": "bidirectional",
        "description": "Upstream port USB 2.0 data minus."
      },
      {
        "number": "59",
        "name": "DS1_DM",
        "type": "bidirectional",
        "description": "Downstream port 1 USB 2.0 data minus."
      },
      {
        "number": "60",
        "name": "DS1_DP",
        "type": "bidirectional",
        "description": "Downstream port 1 USB 2.0 data plus."
      },
      {
        "number": "61",
        "name": "AVDD33",
        "type": "power_in",
        "description": "3.3 V analog supply."
      },
      {
        "number": "62",
        "name": "DS2_DP",
        "type": "bidirectional",
        "description": "Downstream port 2 USB 2.0 data plus."
      },
      {
        "number": "63",
        "name": "DS2_DM",
        "type": "bidirectional",
        "description": "Downstream port 2 USB 2.0 data minus."
      },
      {
        "number": "64",
        "name": "DS3_DM",
        "type": "bidirectional",
        "description": "Downstream port 3 USB 2.0 data minus."
      },
      {
        "number": "65",
        "name": "DS3_DP",
        "type": "bidirectional",
        "description": "Downstream port 3 USB 2.0 data plus."
      },
      {
        "number": "66",
        "name": "AVDD33",
        "type": "power_in",
        "description": "3.3 V analog supply."
      },
      {
        "number": "67",
        "name": "DS4_DP",
        "type": "bidirectional",
        "description": "Downstream port 4 USB 2.0 data plus."
      },
      {
        "number": "68",
        "name": "DS4_DM",
        "type": "bidirectional",
        "description": "Downstream port 4 USB 2.0 data minus."
      },
      {
        "number": "69",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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: Figure 6 and Figure 7 label pin 1 as GND, but Table 2 (the pin-name table for CYUSB3304) lists pin 1; Table 2 lists pin 25 with type I/O and name NC, and no 100-BGA ball. Recorded as unconnected (NC) ba; Table 2 lists GND on pin 40 only. The package has an exposed pad (EPAD) per the package outline (Fig",
          "exposed pad 69 added from the footprint"
        ],
        "pages_sent": 28,
        "cost_usd": 0.1769,
        "at": "2026-10-18T03:12:34"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589838206326763520",
        "pages": 46,
        "sha256": "914c0436d3819954",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 69,
        "described": 69,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "cyusb3304-68ltxc.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          8,
          8,
          0.87
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "7eecf1c3ff4cba11026f26e261e1c97e34bcb6b0239bc5c5d39464b2f4148e9c",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cyusb3304-68ltxc-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          8,
          8,
          0.87
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "ca3e6d3c303f8385d455ab6095a06b38110a0d5697e53a6c7e837ef0af3e3ca7",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Infineon Cypress Semicon",
      "Package": "QFN-68",
      "Category": "Interface",
      "Pins": "69"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "914c0436d381995461db304f8d5cfa694ee92e275d2cb5ee9333b10f4d4b8515",
      "rows": [
        {
          "name": "Storage temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 35,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 35,
          "source": "datasheet"
        },
        {
          "name": "Electrostatic discharge voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 2200,
          "conditions": "",
          "source_page": 35,
          "source": "datasheet"
        },
        {
          "name": "Oscillator or crystal frequency tolerance",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "ppm",
          "min": -150,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 35,
          "source": "datasheet"
        },
        {
          "name": "I/O voltage supply",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": 3,
          "typ": null,
          "max": 3.6,
          "conditions": "",
          "source_page": 35,
          "source": "datasheet"
        },
        {
          "name": "Maximum input sink current per I/O",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 4,
          "conditions": "",
          "source_page": 35,
          "source": "datasheet"
        },
        {
          "name": "1.2 V core supply",
          "symbol": "DVDD12",
          "kind": "electrical",
          "unit": "V",
          "min": 1.14,
          "typ": 1.2,
          "max": 1.26,
          "conditions": "",
          "source_page": 35,
          "source": "datasheet"
        },
        {
          "name": "eFuse supply",
          "symbol": "VDD_EFUSE",
          "kind": "electrical",
          "unit": "V",
          "min": 1.14,
          "typ": 1.2,
          "max": 1.26,
          "conditions": "Normal operation",
          "source_page": 35,
          "source": "datasheet"
        },
        {
          "name": "eFuse supply",
          "symbol": "VDD_EFUSE",
          "kind": "electrical",
          "unit": "V",
          "min": 2.5,
          "typ": 2.6,
          "max": 2.7,
          "conditions": "Programming",
          "source_page": 35,
          "source": "datasheet"
        },
        {
          "name": "1.2 V analog supply",
          "symbol": "AVDD12",
          "kind": "electrical",
          "unit": "V",
          "min": 1.14,
          "typ": 1.2,
          "max": 1.26,
          "conditions": "",
          "source_page": 35,
          "source": "datasheet"
        },
        {
          "name": "3.3 V I/O supply",
          "symbol": "VDD_IO",
          "kind": "electrical",
          "unit": "V",
          "min": 3,
          "typ": 3.3,
          "max": 3.6,
          "conditions": "",
          "source_page": 35,
          "source": "datasheet"
        },
        {
          "name": "3.3 V analog supply",
          "symbol": "AVDD33",
          "kind": "electrical",
          "unit": "V",
          "min": 3,
          "typ": 3.3,
          "max": 3.6,
          "conditions": "",
          "source_page": 35,
          "source": "datasheet"
        },
        {
          "name": "Input LOW voltage",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 35,
          "source": "datasheet"
        },
        {
          "name": "Output HIGH voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 2.4,
          "typ": null,
          "max": null,
          "conditions": "Output HIGH voltage at IOH +4 mA",
          "source_page": 35,
          "source": "datasheet"
        },
        {
          "name": "Output LOW voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "Output LOW voltage at IOL –4 mA",
          "source_page": 35,
          "source": "datasheet"
        },
        {
          "name": "Input sink current",
          "symbol": "IOS",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 4,
          "conditions": "LED GPIO usage",
          "source_page": 35,
          "source": "datasheet"
        },
        {
          "name": "Input leakage current",
          "symbol": "IIX",
          "kind": "electrical",
          "unit": "µA",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "All I/O signals held at VDD_IO or GND",
          "source_page": 35,
          "source": "datasheet"
        },
        {
          "name": "Output HI-Z leakage current",
          "symbol": "IOZ",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "",
          "source_page": 35,
          "source": "datasheet"
        },
        {
          "name": "1.2 V supplies combined operating current",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 410,
          "max": 526,
          "conditions": "",
          "source_page": 35,
          "source": "datasheet"
        },
        {
          "name": "3.3 V supplies combined operating current",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 260,
          "max": 286,
          "conditions": "",
          "source_page": 35,
          "source": "datasheet"
        },
        {
          "name": "Voltage ramp rate on core and I/O supplies",
          "symbol": "VRAMP",
          "kind": "electrical",
          "unit": "V/ms",
          "min": 0.2,
          "typ": null,
          "max": 50,
          "conditions": "Voltage ramp must be monotonic",
          "source_page": 35,
          "source": "datasheet"
        },
        {
          "name": "Noise level permitted on core and I/O supplies",
          "symbol": "VN",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "Max p-p noise level permitted on all supplies except AVDD",
          "source_page": 35,
          "source": "datasheet"
        },
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