Crystal Semiconductor, acquired by Cirrus Logic in 1991, was a supplier of analog and mixed-signal converter ICs. Acting as a designer, manufacturer and marketer of advanced analog and digital integrated circuits, Crystal Semiconductor served clients in the data acquisition, audio and video and imaging market segments. Regarded in the industry for their stringent quality control processes and reliable products, Crystal Semiconductor's processes and portfolio have undoubtedly contributed to Cirrus Logic's climb to become one of the leading suppliers of high-performance analog and digital processing chip solutions.