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selinz
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Re: SSDs with price compatibility but what about data retention
selinz   8/31/2013 11:55:26 AM
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I agree. Optical media was once touted as the more reliable solution to data storage but I have found that many 10 year old RW optical disks have failed and are essentially absolete. The only reliability approach seems to be to continue to by larger hard drives as data accumulates and simply replace older drives with newer ones. I suppose that this would work for SSD's but this process tends to be price sensitive and  hard drives have managed to stay ahead in the $/GB realm..

double-o-nothing
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Re: 16 nm for real?
double-o-nothing   8/30/2013 10:39:03 AM
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A possibility is that Micron, maybe SK Hynix and others, moved to quadruple patterning in the low 20's, perhaps one layer at a time. So by the time they reach 16 nm, the cost difference from 19 nm is minimized.

resistion
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Re: 16 nm for real?
resistion   8/30/2013 9:48:30 AM
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It appears prior to Samsung's V-NAND announcement, everyone was planning for 16 nm. Now, the question is whether 16 nm will be dropped for the 3D rollout. Micron already came out with 16 nm, I think it means their 3D NAND is further off. Since 16 nm requires more than double patterning, I am still surprised Micron is saying it is lower cost per bit. It goes directly against the common impression of the prohibitive cost of any multiple patterning.

Jaret
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Terrible title
Jaret   8/30/2013 1:46:04 AM
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This title is completely misleading.  Micron will be at 16 nm in the 4th quarter, Samsung will be at 19 nm eventually, and SK Hynix has not ever given a time period for when they will be at 16 nm.  The article is about Skyera, which is not at all addressed in the title.

Kinnar
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SSDs with price compatibility but what about data retention
Kinnar   8/29/2013 2:48:26 PM
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This huge capacity SSD with every bit handled by few combinations of transistors with limited life will be really making the life of the chip unpredictable. How much will be the real life of these products. Remember the Floppies then CDs and DVDs loosing data. In this case when the company is claiming the 5 years life, what will be the actual life of the a bit stored.



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As data rates begin to move beyond 25 Gbps channels, new problems arise. Getting to 50 Gbps channels might not be possible with the traditional NRZ (2-level) signaling. PAM4 lets data rates double with only a small increase in channel bandwidth by sending two bits per symbol. But, it brings new measurement and analysis problems. Signal integrity sage Ransom Stephens will explain how PAM4 differs from NRZ and what to expect in design, measurement, and signal analysis.

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