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alex_m1
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Does moore law continue in 3d nand?
alex_m1   6/30/2014 9:35:17 AM
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Great story rick.

Not sure i agree with conclusion though: It hints that 3d nand continues moore's law. But according [1] , "Industry experts believe 3D NAND had yet to compete against the current planar technologies in terms of cost structure.".If that's true, we can't yet be inspired with nand regarding the continuation of moore's law.

goafrit
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Re: Does moore law continue in 3d nand?
goafrit   7/6/2014 3:52:16 PM
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The key question is - does it really matter with this roadmap if people cannot make money doing it? We need to be working on intelligient systems and not fixated on Moore's law which helped Intel but may not be guiding it to make nimbler systems for the mobile world.

resistion
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Re: Does moore law continue in 3d nand?
resistion   7/7/2014 4:49:36 AM
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If going 3D adds cost elsewhere then it doesn't continue the scaling from where 2D left off..

wilber_xbox
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cost advantages at lower tech nodes
wilber_xbox   6/30/2014 2:30:49 PM
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Traditionally, going to lower node means better performance at equal or lower cost but dynamics is completely different now. Especially during development the cost of mask is a gating factor for engineers already and management is asking to keep the cost of development under check.

goafrit
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Re: cost advantages at lower tech nodes
goafrit   7/6/2014 3:52:43 PM
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>> Chip vendors face higher costs and complexities due to tighter margins, new processes, and materials at 20 nm and beyond, they say.

Absolutely because chip manufacturing is not an exciting business model where billions of investments go obsolete because you want to make a new generation of products. Unless there is scale, this may be the new normal. However, when many players exit, the remaining will have good time.

rick merritt
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Working at 20nm or beyond?
rick merritt   6/30/2014 2:43:56 PM
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If you've got experiences with multi-patterning I'd love to hear them here or at rick.merritt@ubm.com



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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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