USB3250

Hi-Speed USB Device

Transceiver with UTMI

Interface

PRODUCT FEATURES

Data Brief

„USB-IF "Hi-Speed" certified to USB 2.0 electrical specification

„Interface compliant with the UTMI specification (60MHz 8-bit unidirectional interface or 30MHz 16-bit bidirectional interface)

„Supports 480Mbps High Speed (HS) and 12Mbps Full Speed (FS) serial data transmission rates

„Integrated 45Ω and 1.5kΩ termination resistors reduce external component count

„Internal short circuit protection of DP and DM lines

„On-chip oscillator operates with low cost 12MHz crystal

„Robust and low power digital clock and data recovery circuit

„SYNC and EOP generation on transmit packets and detection on receive packets

„NRZI encoding and decoding

„Bit stuffing and unstuffing with error detection

„Supports the USB suspend state, HS detection, HS Chirp, Reset and Resume

„Support for all test modes defined in the USB 2.0 specification

„Draws 72mA (185mW) maximum current consumption in HS mode - ideal for bus powered functions

„On-die decoupling capacitance and isolation for immunity to digital switching noise

„Available in a 56-pin QFN package

„Full industrial operating temperature range from -40oC to +85oC (ambient)

Applications

The Universal Serial Bus (USB) is the preferred interface to connect Hi-Speed PC peripherals.

„Digital Still and Video Cameras

„MP3 Players

„External Hard Drives

„Scanners

„Entertainment Devices

„Printers

„Test and Measurement Systems

„POS Terminals

„Set Top Boxes

SMSC USB3250

PRODUCT PREVIEW

Revision 1.7 (05-11-07)