Exar Corporation engages in the design, development, and marketing of high performance analog and mixed-signal integrated circuits (ICs) and sub-system solutions for data and telecommunications, networking and storage, industrial control, and consumer applications. The company offers a portfolio of products, including power management and connectivity components, communications products, storage optimization solutions, network security, and applied service processors. Its connectivity solutions comprise bridging products for bus interfaces, such as universal serial bus, Ethernet and peripheral interconnect express, and UART and serial transceiver devices; and communications products comprise plesiochronous digital hierarchy, synchronous optical network, and synchronous digital hierarchy products. The company’s products has applications in portable electronic devices, set top boxes, digital video recorders, networking and telecommunication systems, servers, enterprise storage systems, and industrial automation equipment. Exar Corporation sells its products through a direct sales force, independent sales representatives, non-exclusive distributors, and catalog distributors in the United States, as well as through the regional and country specific distributors internationally. The company was founded in 1971 and is headquartered in Fremont, California.