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double-o-nothing
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re: Elpida claims it is first with 25-nm DRAM
double-o-nothing   5/22/2011 9:47:48 AM
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Even for 6F2, looks like they need double patterning in both x and y directions.

getty
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re: Elpida claims it is first with 25-nm DRAM
getty   5/3/2011 12:53:58 AM
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Anyone who has heard the rumor if the cell is 4F2 or not?

resistion
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re: Elpida claims it is first with 25-nm DRAM
resistion   5/2/2011 3:44:17 PM
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It's a decent accomplishment, especially if it is a 4F^2 cell, making it comparable to NAND. But trying to compete directly with Samsung is a painful game.



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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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