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Sélectionner tout	Attribut	Valeur
	Marque	Cypress Semiconductor
	Number of Transceivers	4
	Product Type	USB Controller
	Power Supply Type	Single
	ESD Protection	Yes
	Mount Type	Surface
	Package Type	QFN
	Pin Count	68
	Minimum Operating Temperature	-40°C
	Maximum Operating Temperature	85°C
	Width	8mm
	Height	0.95mm
	Length	8mm

	Sélectionner tout
	Marque Cypress Semiconductor
	Number of Transceivers 4
	Product Type USB Controller
	Power Supply Type Single
	ESD Protection Yes
	Mount Type Surface
	Package Type QFN
	Pin Count 68
	Minimum Operating Temperature -40°C
	Maximum Operating Temperature 85°C
	Width 8mm
	Height 0.95mm
	Length 8mm

Datasheet CYUSB3304-68LTXI

Infineon USB Controller, 68 Pins, Surface Mount Type - CYUSB3304-68LTXI

This USB controller is a compact Infineon device designed to manage multiple USB transceivers within embedded systems. It operates from a single power rail and is intended for surface-mounted integration where board space and vertical profile are constrained. The component includes electrostatic discharge safeguarding and is specified for extended temperature environments common in mobile and automotive-adjacent electronics.

Features and Benefits:

• Four transceivers enabling multi-channel USB connectivity
• Single-supply operation simplifying power-rail design
• ESD protection reducing risk from electrostatic events
• Surface-mount QFN package for automated assembly
• Broad temperature range supporting harsh environments
• Low-profile package aiding slim system designs

Applications

• Suitable for multi-port USB hubs in compact devices
• Ideal for in-vehicle infotainment interface modules
• Used with industrial controllers requiring robust I/O
• Can be used for portable electronics with limited height
• Appropriate for automotive-adjacent sensor communication systems

What pin count should I plan for on the PCB footprint?

The device uses a 68-pin layout, so the board footprint and routing must accommodate that pin count.

How does the package influence thermal management on the PCB?

The QFN format provides a short thermal path to the board

designers should include thermal vias and copper pours beneath the package to aid heat dissipation.

What assembly considerations are important for this component?

As a surface-mount QFN, it requires precise solder paste deposition and reflow profiles suitable for low-profile packages to ensure reliable joints.

Which environmental range can the device handle during operation?

It is rated to function from -40°C up to 85°C, covering a wide span of operating conditions.

Cypress Semiconductor CYUSB3304-68LTXI, USB Controller, 4-Channel, 68-Pin QFN

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