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SMSC USB3250 PRODUCT PREVIEW Revision 1.7 (05-11-07)
Data Brief
PRODUCT FEATURES
USB3250
Hi-Speed USB Device
Transceiver with UTMI
Interface
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
-40
o
C to +85
o
C (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