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IBM Hawks PCM for Storage
5/9/2014

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PCM (blue) can fit into many slots in the memory hierarchy for servers and storage systems, according to IBM.
PCM (blue) can fit into many slots in the memory hierarchy for servers and storage systems, according to IBM.

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resistion
User Rank
CEO
Try real densities
resistion   5/10/2014 12:06:54 AM
NO RATINGS
I don't think anyone can get around the speed-density tradeoff. That's the trouble with dense arrays.

selinz
User Rank
Manager
Re: Try real densities
selinz   5/11/2014 12:15:06 PM
NO RATINGS
Resistion, I recall from you many previous posts on this subject that you have a wealth of facts in your head. So here is an unreasonable, simple minded question... How many shrinks will it take PCM assuming 90nm is the current state of affairs in order to reach densities on par with today's flash?

R_Colin_Johnson
User Rank
Blogger
Re: Try real densities
R_Colin_Johnson   5/11/2014 8:28:57 PM
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How many shrinks will it take PCM assuming 90nm is the current state of affairs

The 90nm PCMs are two years old and Micron and several other research organizations have 45 nm in various stages of development, but to rival flash they'll need to get below 22 nm.


resistion
User Rank
CEO
Re: Try real densities
resistion   5/12/2014 11:14:09 AM
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Samsung showed 20 nm PCM at IEDM 2011 with substantial thermal crosstalk.

"PRAM cell technology and characterization in 20nm node size"

IBM_Research
User Rank
Rookie
Re: Try real densities
IBM_Research   5/12/2014 11:15:30 AM
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IBM has been achieving industry-leading density and performance (speed) in our current high-end Flash product portfolio. If you would like to read some published papers please email me at cia at zurich.ibm.com

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