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Semiconductor memory is a digital electronic semiconductor device used for digital data storage, such as computer memory. It typically refers to devices in which data is stored within metal–oxide–semiconductor (MOS) memory cells on a silicon integrated circuit memory chip .
With comparable performance and much less power consumption, the twin-well CMOS process eventually overtook NMOS as the most common semiconductor manufacturing process for computer memory in the 1980s. [24] The two most common types of DRAM memory cells since the 1980s have been trench-capacitor cells and stacked-capacitor cells. [25]
Gurtej Singh Sandhu of Micron Technology initiated the development of atomic layer deposition high-k films for DRAM memory devices. This helped drive cost-effective implementation of semiconductor memory, starting with 90 nm node DRAM. [12] Intel's 90nm process has a transistor density of 1.45 million transistors per square milimeter (MTr/mm2 ...
The 1103 was the bestselling semiconductor memory chip in the world by 1972, as it replaced core memory in many applications. [37] [38] Intel's business grew during the 1970s as it expanded and improved its manufacturing processes and produced a wider range of products, still dominated by various memory devices.
Modern computer memory is implemented as semiconductor memory, [5] [6] where data is stored within memory cells built from MOS transistors and other components on an integrated circuit. [7] There are two main kinds of semiconductor memory: volatile and non-volatile. Examples of non-volatile memory are flash memory and ROM, PROM, EPROM, and ...
Intel is the world's top producer of x86 CPUs for PCs and servers, and Micron is a leading supplier of DRAM and NAND memory chips. Both chipmakers manufacture most of their own chips at their ...
Hitachi, IBM, Matsushita and Mitsubishi Electric used this process for their 4 Mb DRAM memory chips in 1987. [37] Toshiba's 4 Mb EPROM memory chip in 1987. [47] Hitachi, Mitsubishi and Toshiba used this process for their 1 Mb SRAM memory chips in 1987. [47] Intel 486 CPU launched in 1989. microSPARC I launched in 1992.
The Commerce Department is taking its biggest step yet toward onshoring semiconductor manufacturing with a historic $19.5 billion funding deal with Intel, which the Santa Clara, Calif.-based ...