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USB3318-CP is listed in the Drivers, Receivers, Transceivers range at ChipApex. The manufacturer field lists Microchip Technology. Its product description is IC TRANSCEIVER 24QFN. Review the specifications below when checking this part for your BOM.
The USB3318-CP is a Hi-Speed USB 2.0 transceiver (PHY) designed for systems using a 13MHz reference clock. It supports Host, Device, and On-The-Go (OTG) architectures via the ULPI interface. The device operates with an IO voltage range of 1.8V to 3.3V and includes an integrated low jitter PLL for 480Mbps operation. It features flexPWR technology for low current consumption, internal VBUS monitoring, ID resistor detection, and an integrated LDO regulator. The component is housed in a 24-pin QFN package and supports industrial temperatures from -40°C to +85°C.
Verify the specific revision level against the latest SMSC datasheet before procurement. Confirm that the ordering suffix matches the required tape and reel quantity of 4000 pieces. Ensure the supplier provides documentation confirming RoHS compliance and halogen-free status as specified in the original manufacturer standards.
Select this component when board space and interface pin count must be minimized while requiring Hi-Speed USB connectivity. It is suitable for applications needing an integrated LDO regulator to power the PHY from battery or VBUS sources. Consider the 13MHz reference clock requirement and ensure the host controller supports the ULPI protocol.
The USB3318 is part of the SMSC USB33xx series of high-speed USB transceivers. It was originally manufactured by Standard Microsystems Corporation (SMSC), which was later acquired by Microchip Technology. This component serves as a bridge between the USB link layer and the physical differential signaling lines, simplifying the design of USB-enabled portable electronics.
The USB3320 is a confirmed replacement part number for the USB3318.
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