CYUSB3304-68LTXC footprint, schematic symbol and 3D model by Infineon

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CYUSB3304-68LTXC Details

A 4-layer PCB with a solid ground plane and a separate power plane is recommended. The device should be placed near the USB connector, and the PCB layout should minimize signal traces and vias to reduce EMI.
Ensure proper thermal design, including a heat sink if necessary, and follow the recommended operating conditions. The device is rated for operation up to 85°C, but derating may be necessary for high-temperature applications.
A 24 MHz crystal oscillator is required, with a load capacitance of 18 pF and a series resistance of 1 kΩ. The oscillator circuit should be placed close to the device to minimize noise and ensure reliable operation.
The device supports USB suspend and resume through the SUSPEND and RESUME pins. The host controller should assert the SUSPEND signal to put the device in low-power mode, and de-assert it to resume normal operation.
The device has built-in ESD protection, but additional protection may be necessary depending on the application. Follow the recommended PCB layout and component selection guidelines to ensure ESD protection.

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