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December 6, 2011 01:57 pm EDT
[Thanks, Maximilian]
Original Link: http://www.engadget.com/2011/12/06/the-big-memory-cube-gamble-ibm-and-micron-stack-their-chips/
The big memory cube gamble: IBM and Micron stack their chips
Manufacturers have been murmuring about 3D memory chips for years, but an escalation in recent radio chatter suggests the technology is on the cusp of becoming commercial. Intel unveiled a Hybrid Memory Cube (HMC) at IDF, which promises seven times the energy efficiency of today's DDR3, and now IBM and Micron have shown their hand too. The pair just struck up a partnership to produce cubes using layers of DRAM connected by vertical conduits known as through-silicon vias (TSVs). These pillars allow a 90 percent reduction in a memory chip's physical footprint, a 70 percent cut in its appetite for energy, and -- best of all -- a radical increase in bandwidth: HMC prototypes have already scored 128Gb/s, which makes 6Gb/s SATA III look like a bottleneck. It certainly sounds like a game-changer, unless of course some rival technology like ferroelectric memory gets there first.[Thanks, Maximilian]
The big memory cube gamble: IBM and Micron stack their chips originally appeared on Engadget on Tue, 06 Dec 2011 08:57:00 EDT. Please see our terms for use of feeds.
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