Dallas Semiconductor

Dallas Semiconductor was an American producer of integrated circuits ( IC). The company was founded on 1 February 1984 and sold to Maxim Integrated Products in 2001. The company's headquarters was located in Dallas, Texas, the production, which included, among other things, clean rooms of class 1 and attached wafer production, were located in North Dallas on a 22,000 m2 site. The turnover was 82 million U.S. dollars in 1989.

Dallas Semiconductor has been designated by battery-backed real-time clock with built-in NVRAM, colloquially known as "Dallas chip " known. These integrated into personal computers in the 1990s, such as the IBM Personal Computer / AT, Real -time clocks used had as a special feature, the backup battery for data storage in the chip housing. Another product was the "Dallas Key", an electronic key with 1-Wire bus, which was further driven by the acquisition of Maxim, under the name iButton. In addition, serial number chips were for product identification, digital potentiometer and temperature-stabilized crystal oscillators (TCXO, Eng. Temperature Compensated Crystal Oscillator for ) made ​​.

Following the acquisition of the Dallas Maxim brand and the names of the integrated circuits that start with the prefix DS was taken over and used until 2007.