Samsung 3D chip stacking process delivers 50 percent greater memory density

Posted on Thursday, December 09 2010 @ 0:35 CET by Thomas De Maesschalck
Samsung presents a new 8GB DIMM that achieves a 50 percent greater memory density than traditional DIMMs by stacking memory chips on top of each other:
Samsung's new registered or buffered (RDIMM) product is based on its current Green DDR3 DRAM and 40 nanometer (nm)-sized circuitry. The new memory module is aimed at the server and enterprise storage markets.

The three-dimensional (3D) chip stacking process is referred to in the memory industry as through silicon via (TSV). Samsung said the TSV process saves up to 40% of the power consumed by a conventional RDIMM. Using the TSV technology will greatly improve chip density in next-generation server systems, Samsung said, making it attractive for high-density, high-performance systems.

The TSV technology creates micron-sized holes through the chip silicon vertically instead of just horizontally, creating a much denser architecture. Samsung said it eventually plans to apply the TSV technology to memory built with 30nm-class and smaller circuitry.
More details at ComputerWorld.


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Thomas De Maesschalck

Thomas has been messing with computer since early childhood and firmly believes the Internet is the best thing since sliced bread. Enjoys playing with new tech, is fascinated by science, and passionate about financial markets. When not behind a computer, he can be found with running shoes on or lifting heavy weights in the weight room.



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