General Description

The MIC2551A 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 and introduces superior edge rate control, producing crisper eye diagrams, which ease the task of passing USB compliance testing.

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 suspend current requirements

• Small TSSOP and MLF® packages

• No power supply sequencing requirements

• Software controlled re-enumeration

Applications

• PDAs

• Palmtops

• Cell phones