National Semiconductor Corporation(NS) was founded in 1959, is famous for analog and mixed-signal semiconductor manufacturer, is also a pioneer in the semiconductor industry. The company is headquartered in California. National Semiconductor is committed to using class analog and digital technologies for the information age to create a highly integrated solution. Its production sites around the world, in Texas, Maine and Scotland has a chip fabrication plant in Malaysia and Singapore has a test center and assembly plant employs about 11,000. The company's products have been widely used in computers, computer peripherals, communications and consumer electronics products. The main products are amplifiers, comparators, display circuit, interface circuit, sensors and other general-purpose analog circuits and automotive circuits, microprocessors and military aviation products and so on. Faced with the reality of the rapid development of Internet, NS company in 1996 began to adjust their strategies, focusing on the design and production of information tools. Therefore, the state made ​​a series of adjustments semiconductor company, the company is currently focusing on NS required for the system will be truly advanced circuit technology integration on a single chip, including interfaces, wireless technology, show programs and other analog functions such as power management .