Founded in 1980, Legerity is a leading provider of analog/mixed-signal integrated circuits (ICs) for wireline voice and data networks. Over the past 25+ years, the company has been a leader in IC solutions for voice communications, originating with the Public Service Telecommunications Network (PSTN). Legerity was acquired by Zarlink Semiconductor in August, 2007. Subsequently, Zarlink was acquired by Microsemi Corp. in October, 2011.