Monthly Archives: May 2012

Why DRAM Bit Growth will Suffer

Benchmarks show NAND advantage over DRAM in PCsIt seems that DRAM makers are still unaware of the impact NAND flash will have on DRAM revenues.  Even though many are paying a lot of attention to the impact of the Tablet PC on Notebook PC shipments, few understand that even a healthy notebook market will start to place a decreasing focus on the system DRAM in the near future.

The reason why is simple, and it’s explained in great detail in a report: How PC NAND will Undermine DRAM.  In a nutshell, once a basic minimum DRAM requirement has been met, NAND flash yields a greater performance return per dollar than does DRAM.  This is illustrated in the graphic to the left.

Forget about the fact that NAND flash is nonvolatile, and that it offers Continue reading

What is cMLC Flash?

cMLC - Commercial Multilevel Cell NAND FlashSome recent news mentioned cMLC flash, which is short for “consumer MLC.”  This term is used to differentiate between the cheapest available product, mainstream MLC, and products that are aimed at the computing segment, and thus carry higher price tags.

There are several of these higher-end products.   Some have longer endurance, like eMLC and SLC flash.  Some have faster interfaces, like ONFi and Toggle Mode.  Then there are the combinations of these: a fast interface with enhanced reliability.

There are disadvantages to these.  The consumer market Continue reading

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Jim Handy Objective Analysis Memory Market Research +1 (408) 356-2549 Jim.Handy (at) Objective-Analysis.com

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