National Semiconductor Corporation designs, develops, manufactures and markets a wide array of semiconductor products, including a broad line of analog, mixed-signal and other integrated circuits (ICs). Its analog and mixed-signal devices include amplifiers and regulators, image sensors, power monitors and line drivers, radio frequency (RF), audio amplifiers, display drivers and signal processors. Other products with digital-to-analog or analog-to-digital capability include products for local area and wireless networking and wireless communications, as well as products for personal systems and personal communications. National uses the brand name Super I/O to describe its ICs that handle system peripheral and input/output functions on the personal computer (PC) motherboard. In fiscal 2002, its operations were organized in five groups: the Analog Group, Information Appliance and Wireless Group, Displays Group, Wired Communications Group and the Custom Solutions Group.