400 West Cesar Chavez
Austin, TX 78701
USA

Phone: +1 512-416-8500
Toll free: 877-444-3032
Fax: +1 512-464-9444
www.silabs.com

Silicon Laboratories (NASDAQ: SLAB), based in Austin, Texas, designs and develops analog-intensive, mixed-signal integrated circuits (ICs) for a broad range of applications. Silicon Laboratories' diverse portfolio of highly-integrated, patented solutions is developed by a world-class engineering team with decades of cumulative expertise in mixed-signal technology.

Silicon Laboratories' diverse portfolio of both application specific and general purpose products serves a broad set of markets and applications. Silicon Laboratories' product portfolio includes high-performance microcontrollers, Aero™ GSM/GPRS transceivers, GSM/GPRS power amplifier, RF synthesizers, silicon direct access arrangements (DAAs), ISOmodem® embedded modems, ProSLIC® subscriber line interface circuits, DSL analog front end ICs, voice codecs, SiPHY™ optical networking transceivers, clock and data recovery ICs and precision clock ICs. Silicon Laboratories' solutions are designed into consumer, industrial, automotive and communications products worldwide including wireless handsets, digital video recorders and central office equipment.

Altium provides software development tools for Silicon Laboratories' 8051 derivatives and their C8051F development kit.