Elpida, a Japanese supplier of Dynamic Random Access Memory (DRAM) chips, has begun mass production of the DRAM—1-Gigabit and 512-Megabit DDR2 SDRAMs (double data rate two synchronous dynamic random access memory) using 70 nanometer (nm) process technology. The manufacturing of these chips will be done at its main fab facility, Hiroshima Elpida Memory, Elpida said.
Elpida is currently realising high yields and productivity from its 90nm process technology used in mass production, according to Elpida. The technology that has made the achievements in 90 nm possible has been applied to the development of the more advanced 70nm process technology, Elpida added.
A 1-Gigabit and 512-Megabit DDR2 SDRAM using 70nm process technology can be used in many applications, including high-end servers that need to process large amounts of data, high-performance mobile equipment, high definition digital TVs, next-generation DVD recorders, digital single-lens reflex cameras and other digital consumer equipment that must have advanced image processing capabilities, Elpida said.
The 70nm process technology enables 800 MHz (megahertz) and 1 GHz (gigahertz) speed functionality in combination with high-performance operations. It also provides for a reduction in chip size, allowing incrementally more chips per DRAM wafer, which in turn increases productivity and volume overall, Elpida said. Among 512-Megabit products, the technology has made possible the world's smallest chip size for a 512-Megabit DDR2 SDRAM, Elpida added.
Production of DDR2 SDRAM using 70nm processing has already started, and the first product shipments are expected to begin in the first quarter of this year, Elpida added.
Elpida plans to make use of its new 70nm process technology in the production of Mobile RAM (random access memory) for mobile phones and other mobile equipment, and in memory products used in high-end digital consumer equipment, and across the entire server and PC market, Elpida said.
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