Silicon Hills
Silicon Hills is a nickname for the cluster of high-tech companies in the Austin metropolitan area in the U.S. state of Texas. The name is analogous to Silicon Valley, but refers to the hilly terrain on the west side of Austin. High tech industries in the area include enterprise software, semiconductors, corporate R&D, biotechnology, gaming, and a variety of startup companies.
SigmaTel
SigmaTel (SGTL delisted from NASDAQ after 2008 acquisition by Freescale Semiconductor) was a System On a Chip SOC electronics and software company headquartered in Austin, Texas, that designed AV media player/recorder SOCs, reference circuit boards, SOC Software Development Kits built around a custom cooperative kernel and all SOC device drivers including USB Mass Storage and AV decoder DSP, media player/recorder software apps, and controller chips for multifunction peripherals. SigmaTel became Austin's largest IPO as of 2003 when it became publicly traded on NASDAQ. The company was driven by a talented mix of electrical and computer engineers plus other professionals with semiconductor industry experience in Silicon Hills, the number two IC design region in the United States, after Silicon Valley.