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resistion
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re: Elpida says its sampling first 25-nm DRAMs
resistion   7/2/2012 2:53:18 PM
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They need to be in the low 20's to compete with South Korea. 25 nm is not competitive enough.

double-o-nothing
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re: Elpida says its sampling first 25-nm DRAMs
double-o-nothing   8/6/2011 1:30:15 AM
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At this rate, by 2013, they will need to be at 1x nm level already, and by 2015, sub-10 nm. Any new lithography technology incurs so many new costs (infrastructure, utilities, resist, inspection, etc.) that several nodes (like 28 nm to 9 nm) would have to be jumped to make up. On the other hand, the resolution improvement is not that significant (~one node) so the entire architecture will evolve along 3d lines to be compatible with existing litho.

resistion
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re: Elpida says its sampling first 25-nm DRAMs
resistion   8/5/2011 4:12:07 PM
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Alternative memories like SONOS and ReRAM will become more cost effective even compared to current NAND. The floating gate is difficult to scale 3D. If something like ReRAM can eliminate the transistor and show high performance, that is the thing to watch for.

resistion
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re: Elpida says its sampling first 25-nm DRAMs
resistion   8/5/2011 4:12:01 PM
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Alternative memories like SONOS and ReRAM will become more cost effective even compared to current NAND. The floating gate is difficult to scale 3D. If something like ReRAM can eliminate the transistor and show high performance, that is the thing to watch for.

yalanand
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re: Elpida says its sampling first 25-nm DRAMs
yalanand   8/5/2011 9:37:09 AM
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@Selinz, what about (spin-transfer torque random access memory ) STT_RAM, will it have any impact on DRAM ?

selinz
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re: Elpida says its sampling first 25-nm DRAMs
selinz   8/4/2011 5:27:03 PM
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The fact that people are using flash for larger and larger devices will not help to stablize the DRAM industry.

resistion
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re: Elpida says its sampling first 25-nm DRAMs
resistion   8/4/2011 6:55:47 AM
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Samsung also plans to release 20-nm node (or 20-nm class) DRAM later this year.



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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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