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USB3450 - HI-SPEED USB HOST OR DEVICE PHY

General Description

at any time without notice.

Contact your local SMSC sales office to obtain the latest specifications before placing your product order.

Key Features

  • Datasheet.
  • USB-IF “Hi-Speed” certified to the Universal Serial Bus Specification Rev 2.0 Interface compliant with the UTMI+ Specification, Revision 1.0. Functional as a host or device PHY. Supports HS, FS, and LS data rates. Supports FS pre-amble for FS hubs with a LS device attached (UTMI+ Level 3) Supports HS SOF and LS keep alive pulse. Low Latency Hi-Speed Receiver (43 Hi-Speed clocks Max) Internal 1.8 volt regulators allow op.

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📁 Similar Datasheet

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Other Datasheets by SMSC (now Microchip Technology)

Part Number Description
USB3250 USB2.0 PHY IC
USB3280 Hi-Speed USB Device PHY
USB3290 Small Footprint Hi-Speed USB 2.0 Device PHY
USB3300 Hi-Speed USB Host
USB3500 Hi-Speed USB Host

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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USB3450 Hi-Speed USB Host or Device PHY With UTMI+ Interface PRODUCT FEATURES ■ Datasheet ■ ■ ■ ■ ■ ■ ■ ■ ■ USB-IF “Hi-Speed” certified to the Universal Serial Bus Specification Rev 2.0 Interface compliant with the UTMI+ Specification, Revision 1.0. Functional as a host or device PHY. Supports HS, FS, and LS data rates. Supports FS pre-amble for FS hubs with a LS device attached (UTMI+ Level 3) Supports HS SOF and LS keep alive pulse. Low Latency Hi-Speed Receiver (43 Hi-Speed clocks Max) Internal 1.8 volt regulators allow operation from a single 3.3 volt supply Internal short circuit protection of DP and DM lines to VBUS or ground. ■ ■ ■ ■ ■ ■ Integrated 24MHz Crystal Oscillator supports either crystal operation or 24MHz external clock input.