Founded in 1974, ZiLOG, Inc. is a company dedicated to the field of microprocessors and microcontrollers, co founded by Federico Faggin and Ralph Ungermann. ZiLOG has a rich product line, including microcontrollers, motion detection sensors, microprocessors, communication controllers, and other types of products. The Z80 series controllers produced by the company have played a milestone role in the gaming industry. The emergence of Z80 led to rapid development of ZiLOG and successfully established a chip manufacturing factory within two years. These products are widely used in fields such as 5G and communication applications. In addition, ZiLOG has positioned its market in three areas during its development: home entertainment, communication, and integrated control. In the development process of ZiLOG, it has undergone multiple mergers and acquisitions. In 1998, ZiLOG was acquired by TPG (the Texas Pacific Group); In the later stage, IXYS Corporation acquired ZiLOG and eventually became part of Littelfuse Inc.