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resistion
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Toshiba -SanDisk take a beating
resistion   8/6/2013 10:16:00 AM
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A little painful to see Micron and Samsung beating down Toshiba and SanDisk at this time, after their earlier statements. Maybe they'll come back with 10 nm.

rick merritt
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Going vertical
rick merritt   8/6/2013 2:05:46 PM
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I'd love to hear a simple explanation of what this vertical cell technology is all about.

For example, does it relate to FinFETs in some way?

goafrit
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Re: Toshiba -SanDisk take a beating
goafrit   8/6/2013 2:55:21 PM
Have a lot of respect for Samsung. It is indeed one of the best tech firms in the world today. They move in and they begin to dominate. Excellent piece of execution.

themassau
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Re: Going vertical
themassau   8/6/2013 3:15:10 PM
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in the link they explain 3d nand. its more like building a skyscraper of nand cells than finfets.

http://semiaccurate.com/2013/07/16/applied-materials-talks-about-3d-nand-flash-production/

_hm
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Cost, Density and Power
_hm   8/6/2013 7:42:51 PM
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That is a very good news for Samasung. It will be interesting to know cost, density and power advantage of this breakthorugh. Will this make future low cost laptop solidstate?

 

resistion
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Re: max density
resistion   8/6/2013 7:59:14 PM
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Assuming the 24 levels maximum, and a F=50 nm 6F^2 design rule, the maximum 3D density is equivalent to a conventional 12.5 nm floating gate. So the density lead for this case is temporary, until someone (if anyone) hits 10 nm floating gate. Increasing the number of levels or shrinking the 3D NAND design rule could increase costs when the number of steps starts multiplying, e.g., doubling.

chipmonk0
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Stacked 3d package for stacked NAND chips
chipmonk0   8/7/2013 12:31:22 PM
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Read in a blog somewhere that Samsung is going to sell their 3d NAND in a 128 GB configuration by stacking 8 chips vertically and connecting them with TSVs ( Through Silicon Vias ). Can Peter Clarke or anyone else comment on this ?

pseudoid
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2 Questions
pseudoid   8/7/2013 12:46:18 PM
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1)  I am slightly confused about the wordage "128 Gbit V-NAND" CTF:  Would that be the equivalent of 16GByte memory, or is this going to be a new unit of measure?

2) Does this news also mean that "Moore's Law" has been removed from its premature life support systems?

Peter Clarke
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Re: 2 Questions
Peter Clarke   8/7/2013 1:38:52 PM
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1) 1 byte = 8 bits so, yes, 128-Gbit = 16-Gbyte

It ihas been the convention within the semiconductor industry to quote memory capacity in bits. But either bits or bytes will do.

2) By which i mean planar scaling has become moot with regards to scaling memory capacity

 

 

 

Peter Clarke
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Re: Stacked 3d package for stacked NAND chips
Peter Clarke   8/7/2013 1:39:45 PM
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I'll ask Samsung

 

 

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