USB3300-EZK

{
  "schema_version": 1,
  "type": "component",
  "slug": "usb3300-ezk",
  "title": "USB3300-EZK",
  "brief": "Microchip Tech USB Converters, QFN-32-EP(5x5). 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",
    "usb3300-ezk",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "USB3300-EZK",
    "manufacturer": "Microchip Tech",
    "package": "QFN-32-EP(5x5)",
    "pin_count": 33,
    "category": "Interface",
    "subcategory": "USB Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586182626059431936",
    "parts": {
      "symbol": "usb3300-ezk.kicad_sym",
      "footprint": "usb3300-ezk.kicad_mod",
      "model_3d": "usb3300-ezk-hero.glb",
      "model_3d_plain": "usb3300-ezk-etched.glb",
      "model_3d_step": "usb3300-ezk-etched.step",
      "model_3d_step_plain": "usb3300-ezk.step",
      "lbr": "usb3300-ezk.lbr"
    },
    "distributor_links": {
      "lcsc": "C108954",
      "digikey": "638-1034-ND",
      "mouser": "886-USB3300-EZK"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T01:15:03Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "638-1034-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "886-USB3300-EZK",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin of the device."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin of the device."
      },
      {
        "number": "3",
        "name": "CPEN",
        "type": "output",
        "description": "External 5 volt supply enable used to enable the external Vbus power supply; the pin is low on POR."
      },
      {
        "number": "4",
        "name": "VBUS",
        "type": "power_in",
        "description": "VBUS pin of the USB cable, used for the Vbus comparator inputs and for Vbus pulsing during session request protocol."
      },
      {
        "number": "5",
        "name": "ID",
        "type": "input",
        "description": "ID pin of the USB cable; it can be floated for non-OTG applications, reading 0 for an A-Device and 1 for a B-Device."
      },
      {
        "number": "6",
        "name": "VDD3.3",
        "type": "power_in",
        "description": "3.3V supply, with a 0.1uF bypass capacitor to the PCB ground plane."
      },
      {
        "number": "7",
        "name": "DP",
        "type": "bidirectional",
        "description": "D+ pin of the USB cable."
      },
      {
        "number": "8",
        "name": "DM",
        "type": "bidirectional",
        "description": "D- pin of the USB cable."
      },
      {
        "number": "9",
        "name": "RESET",
        "type": "input",
        "description": "Optional active high transceiver reset equivalent to a write to ULPI Reset bit 5 of address 04h; it has an integrated pull-down and may be floated or tied to ground if unused."
      },
      {
        "number": "10",
        "name": "EXTVBUS",
        "type": "input",
        "description": "External Vbus detect input to connect to the fault output of an external USB power switch or Vbus Valid comparator, with a pull-down to prevent floating when UseExternalVbusIndicator is 0."
      },
      {
        "number": "11",
        "name": "NXT",
        "type": "output",
        "description": "The PHY asserts NXT to throttle data, indicating when the current byte has been accepted by the PHY."
      },
      {
        "number": "12",
        "name": "DIR",
        "type": "output",
        "description": "Controls data bus direction: the PHY drives DIR high when it has data for the Link and pulls it high when it cannot accept data, such as during PLL start-up."
      },
      {
        "number": "13",
        "name": "STP",
        "type": "input",
        "description": "The Link asserts STP for one clock cycle to stop the data stream on the bus; the pin includes the interface protection pull-up described in section 6.1.9.3."
      },
      {
        "number": "14",
        "name": "CLKOUT",
        "type": "output",
        "description": "60MHz reference clock output to which all ULPI signals are synchronized on the rising edge."
      },
      {
        "number": "15",
        "name": "VDD1.8",
        "type": "power_out",
        "description": "1.8V digital supply from the on-chip regulator when REG_EN is active; a 0.1uF capacitor to ground is required and this pin must be connected to pin 26."
      },
      {
        "number": "16",
        "name": "VDD3.3",
        "type": "power_in",
        "description": "3.3V supply, with a 0.1uF bypass capacitor to the PCB ground plane."
      },
      {
        "number": "17",
        "name": "DATA[7]",
        "type": "bidirectional",
        "description": "MSB of the 8-bit ULPI bidirectional data bus with a pull-low; bus ownership is determined by DIR."
      },
      {
        "number": "18",
        "name": "DATA[6]",
        "type": "bidirectional",
        "description": "Bit 6 of the 8-bit ULPI bidirectional data bus with a pull-low; bus ownership is determined by DIR."
      },
      {
        "number": "19",
        "name": "DATA[5]",
        "type": "bidirectional",
        "description": "Bit 5 of the 8-bit ULPI bidirectional data bus with a pull-low; bus ownership is determined by DIR."
      },
      {
        "number": "20",
        "name": "DATA[4]",
        "type": "bidirectional",
        "description": "Bit 4 of the 8-bit ULPI bidirectional data bus with a pull-low; bus ownership is determined by DIR."
      },
      {
        "number": "21",
        "name": "DATA[3]",
        "type": "bidirectional",
        "description": "Bit 3 of the 8-bit ULPI bidirectional data bus with a pull-low; bus ownership is determined by DIR."
      },
      {
        "number": "22",
        "name": "DATA[2]",
        "type": "bidirectional",
        "description": "Bit 2 of the 8-bit ULPI bidirectional data bus with a pull-low; bus ownership is determined by DIR."
      },
      {
        "number": "23",
        "name": "DATA[1]",
        "type": "bidirectional",
        "description": "Bit 1 of the 8-bit ULPI bidirectional data bus with a pull-low; bus ownership is determined by DIR."
      },
      {
        "number": "24",
        "name": "DATA[0]",
        "type": "bidirectional",
        "description": "LSB of the 8-bit ULPI bidirectional data bus with a pull-low; bus ownership is determined by DIR."
      },
      {
        "number": "25",
        "name": "VDD3.3",
        "type": "power_in",
        "description": "3.3V supply, with a 0.1uF bypass capacitor to the PCB ground plane."
      },
      {
        "number": "26",
        "name": "VDD1.8",
        "type": "power_out",
        "description": "1.8V digital supply from the on-chip regulator when REG_EN is active; requires a 4.7uF low-ESR capacitor to ground when internal regulators are used and must be connected to pin 15, not to VDDA1.8."
      },
      {
        "number": "27",
        "name": "XO",
        "type": "output",
        "description": "Crystal pin for the 24MHz crystal connected across XI and XO; it should be left floating when an external clock drives XI."
      },
      {
        "number": "28",
        "name": "XI",
        "type": "input",
        "description": "Crystal pin supporting a 24MHz crystal, or an external 24MHz clock source driven into XI in place of a crystal."
      },
      {
        "number": "29",
        "name": "VDDA1.8",
        "type": "power_out",
        "description": "1.8V analog supply from the on-chip regulator when REG_EN is active; requires 0.1uF plus 4.7uF capacitors to ground when internal regulators are used."
      },
      {
        "number": "30",
        "name": "VDD3.3",
        "type": "power_in",
        "description": "Analog 3.3V supply; a 0.1uF low-ESR bypass capacitor to the PCB ground plane is recommended."
      },
      {
        "number": "31",
        "name": "REG_EN",
        "type": "bidirectional",
        "description": "On-chip 1.8V regulator enable; connecting it to ground disables both internal regulators, requiring an external 1.8V supply on VDDA1.8 and VDD1.8 after VDD3.3 reaches at least 2.64V."
      },
      {
        "number": "32",
        "name": "RBIAS",
        "type": "passive",
        "description": "External 12KΩ ±1% bias resistor connected to ground."
      },
      {
        "number": "33",
        "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: The datasheet's pin table lists a 'GND FLAG' exposed pad (ground flag) that is not a numbered pin (1; Pins 15, 26 and 29 (VDD1.8, VDD1.8, VDDA1.8) are typed power_out because they are on-chip regulator ; The datasheet gives no direction for RBIAS (pin 32), only 'Analog, CMOS'. It is typed passive becaus",
          "exposed pad 33 added from the footprint",
          "1/33 pin names appear NOWHERE in the datasheet text: ['27:XO@p9']"
        ],
        "pages_sent": 17,
        "cost_usd": 0.1051,
        "at": "2026-10-18T01:14:00"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586182626059431936",
        "pages": 53,
        "sha256": "33e73e37f5110cb9",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 33,
        "described": 33,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "usb3300-ezk.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5,
          5,
          0.875
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "5fa713ea46b36980895812ed853577889b7cb06d275041a39b99bc0be305dc79",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "usb3300-ezk-etched.step",
        "role": "eda",
        "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": "3d2ab51c20c9b5beb22e67d0dc8e211055f0afd183dc6a701751c9bb43cded62",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Microchip Tech",
      "Package": "QFN-32-EP(5x5)",
      "Category": "Interface",
      "Pins": "33"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "33e73e37f5110cb9e3ef66ccf8c7fdd4a16593c7b1afcff0c5df523e41963a9e",
      "rows": [
        {
          "name": "Maximum VBUS, ID, EXTVBUS, DP, and DM voltage to GND",
          "symbol": "VMAX_5V",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Maximum VDD1.8 and VDDA1.8 voltage to Ground",
          "symbol": "VMAX_1.8V",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 2.5,
          "conditions": "",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Maximum 3.3V supply voltage to Ground",
          "symbol": "VMAX_3.3V",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 4,
          "conditions": "",
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        },
        {
          "name": "Maximum I/O voltage to Ground",
          "symbol": "VMAX_IN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 4,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Operating Temperature",
          "symbol": "TMAX_OP",
          "kind": "absolute_maximum",
          "unit": "C",
          "min": -40,
          "typ": null,
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        {
          "name": "Storage Temperature",
          "symbol": "TMAX_STG",
          "kind": "absolute_maximum",
          "unit": "C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
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        },
        {
          "name": "VDD3.3 to GND",
          "symbol": "VDD3.3",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 3,
          "typ": 3.3,
          "max": 3.6,
          "conditions": "",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage on Digital Pins",
          "symbol": "VI",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "",
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        },
        {
          "name": "Voltage on Analog I/O Pins (DP, DM, ID)",
          "symbol": "VI(I/O)",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "VBUS to GND",
          "symbol": "VVBUS",
          "kind": "recommended_operating",
          "unit": "",
          "min": 0,
          "typ": null,
          "max": 5.25,
          "conditions": "",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Ambient Temperature",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "FS Idle 3.3V Current",
          "symbol": "IAVG(FS33)",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 18.8,
          "max": 21.9,
          "conditions": "FS idle not data transfer",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "FS Idle 1.8V Current",
          "symbol": "IAVG(FS18)",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 36.4,
          "max": 43.2,
          "conditions": "FS idle not data transfer",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "FS Transmit 3.3V Current",
          "symbol": "IAVG(FSTX33)",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 36,
          "max": 41.6,
          "conditions": "FS current during data transmit",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "FS Transmit 1.8V Current",
          "symbol": "IAVG(FSTX18)",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 36.8,
          "max": 43.2,
          "conditions": "FS current during data transmit",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "FS Receive 3.3V Current",
          "symbol": "IAVG(FSRX33)",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 22.5,
          "max": 27,
          "conditions": "FS current during data receive",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "FS Receive 1.8V Current",
          "symbol": "IAVG(FSRX18)",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 36.7,
          "max": 43.4,
          "conditions": "FS current during data receive",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "HS Idle 3.3V Current",
          "symbol": "IAVG(HS33)",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 22.1,
          "max": 25.4,
          "conditions": "HS idle not data transfer",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "HS Idle 1.8V Current",
          "symbol": "IAVG(HS18)",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 38.7,
          "max": 45.6,
          "conditions": "HS idle not data transfer",
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          "source": "datasheet"
        },
        {
          "name": "HS Transmit 3.3V Current",
          "symbol": "IAVG(HSTX33)",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 25.4,
          "max": 29,
          "conditions": "HS current during data transmit",
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          "source": "datasheet"
        },
        {
          "name": "HS Transmit 1.8V Current",
          "symbol": "IAVG(HSTX18)",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 39.1,
          "max": 46.2,
          "conditions": "HS current during data transmit",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "HS Receive 3.3V Current",
          "symbol": "IAVG(HSRX33)",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 23,
          "max": 26.6,
          "conditions": "HS current during data receive",
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          "source": "datasheet"
        },
        {
          "name": "HS Receive 1.8V Current",
          "symbol": "IAVG(HSRX18)",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 39.6,
          "max": 46.8,
          "conditions": "HS current during data receive",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Suspend Recovery Time",
          "symbol": "TSTART",
          "kind": "timing",
          "unit": "ms",
          "min": 2.25,
          "typ": null,
          "max": 3.5,
          "conditions": "",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Low-Level Input Voltage",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "High-Level Input Voltage",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Low-Level Output Voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "IOL = 8mA",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Input Leakage Current",
          "symbol": "ILI",
          "kind": "electrical",
          "unit": "uA",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Differential Receiver Common-Mode Voltage",
          "symbol": "VCMFS",
          "kind": "electrical",
          "unit": "V",
          "min": 0.8,
          "typ": null,
          "max": 2.5,
          "conditions": "",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "Single-Ended Receiver Hysteresis",
          "symbol": "VHYSSE",
          "kind": "electrical",
          "unit": "V",
          "min": 0.05,
          "typ": null,
          "max": 0.15,
          "conditions": "",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "High Level Output Voltage",
          "symbol": "VFSOH",
          "kind": "electrical",
          "unit": "V",
          "min": 2.8,
          "typ": null,
          "max": 3.6,
          "conditions": "Pull-down resistor on DP, DM; RL = 15kΩ to GND",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "Driver Output Impedance for HS and FS",
          "symbol": "ZHSDRV",
          "kind": "electrical",
          "unit": "Ω",
          "min": 40.5,
          "typ": 45,
          "max": 49.5,
          "conditions": "Steady state drive",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "Pull-up Resistor Impedance",
          "symbol": "ZPU",
          "kind": "electrical",
          "unit": "kΩ",
          "min": 0.9,
          "typ": 1.24,
          "max": 1.575,
          "conditions": "Bus Idle",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "Pull-up Resistor Impedance",
          "symbol": "ZPURX",
          "kind": "electrical",
          "unit": "kΩ",
          "min": 1.425,
          "typ": 2.26,
          "max": 3.09,
          "conditions": "Device Receiving",
          "source_page": 13,
          "source": "datasheet"
        },
        {
          "name": "Pull-dn Resistor Impedance",
          "symbol": "ZPD",
          "kind": "electrical",
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