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There maybe a few competitor for WBT in the filamentary RERam...

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Don Facundo

53 Posts.

26/11/17

14:08

Post #: 29123447
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Originally posted by You Beaut ↑

Widely accepted that filamentary ReRam (such as WBT) requires error correction which will impede speed. For example, see section 3 in the paper below

http://cadlab.ece.ucsb.edu/sites/default/files/papers/ISLPED_16_0.pdf

4DS has demonstrated it doesn't need error correction due to its non-filamentary nature

Imec appears to also see issues with filamentary ReRam (i.e. WBT) per article below:

http://www.eenewsanalog.com/news/mram-leading-embedded-nvm-race-says-imec-researcher

Filamentary ReRAMs do not scale, said Furnemont. "Because you always end up with single filament and that requires about 100-microamperes for a stable filament. As you scale the cross-point the power doesn't reduce," he said.
While the exact current may vary between material systems the other side of this coin is that as the array size increases the power consumption increases with the number of bit cells in the array.
IMEC has studied hafnium oxide and tantalum oxide ReRAMs in depth. Furnemont said there are some possibilities for ReRAM at 20nm but because it doesn't scale would represent expensive engineering that is probably only good for a single node. "It may be good for embedded but not for stand-alone memory," said Furnemont.

Again, WBT is not a competitor to 4DS. WBT does however have plenty of competitors in the filamentary ReRAM space

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There maybe a few competitor for WBT in the filamentary RERam but their deferentiator is the material used for production.

WBT announced recently their achievement to 300nm kbit array and is now in the testing process for the 40nm kbit array. 4DS on the other hand is going direct to mbit array. Does anyone know why 4DS is going to this direction?

4DS Price at posting: 5.5¢ Sentiment: None Disclosure: Not Held
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There maybe a few competitor for WBT in the filamentary RERam...

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There maybe a few competitor for WBT in the filamentary RERam...

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