General Description

The MIC2551 is a single chip transceiver that complies with the physical layer specifications of the Universal Serial Bus (USB) 2.0. It supports both full speed (12Mbps) and low speed (1.5Mbps) operation. It is also designed to operate down to 1.6V in order to be compatible with lower system voltages of most mobile systems.

Features

• Compliant to USB Specification Revision 2.0 for full speed (12Mbs) and low speed (1.5Mbps) operation

• Compliant to IEC-61000-4.2 (Level 3)

• Separate I/O supply with operation down to 1.6V

• Integrated speed select termination supply

• Very-low power consumption to meet USB suspendcurrent requirements

• Small TSSOP and MLF® packages

• No power supply sequencing requirements

• Software controlled re-enumeration

Applications

• PDAs

• Palmtops

• Cell phones