Microsemi Semiconductor is a fabless supplier of high-performance integrated circuits (ICs), application software and integrated turnkey systems solutions used primarily in Carrier, Enterprise and industrial Internet of Things (IoT) network applications. With its corporate DNA in Carrier service provider networking, Microsemi has historically focused on both Carrier and Enterprise networking, selling into many of the leading OEMs that service these markets.

Today, Microsemi is a leading supplier of ICs for next-generation Ethernet-based Carrier, Enterprise, and IoT networks worldwide. They design, develop and market a diverse portfolio of high-performance, feature-rich, low-power and cost-competitive Ethernet networking and connectivity IC solutions, associated applications and protocol software. For over 30 years, Microsemi has been a leading innovator in networking and connectivity solutions, leading adoption of new technologies in Carrier and Enterprise networking.

Many of the technologies Microsemi developed for Carrier and Enterprise networking are highly synergistic in emerging adjacent markets, such as the industrial Internet of Things (IoT), automotive, storage and other networks converging on Ethernet. Microsemi continues leading the forefront to enable diverse networking industries to make the transition from legacy to standards-based, ubiquitous "Ethernet Everywhere" networking.