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efan999
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re: Phase-change memory found in handset
efan999   12/2/2010 3:43:15 PM
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Well, what was the MCP label then? It is such a shame anyway. The only mobile handset in the world that used PRAM for a few minutes (and started malfunctioning due to overheating) is now dead. RIP!

DestroCom
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re: Phase-change memory found in handset
DestroCom   12/2/2010 3:23:31 PM
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@Volatile Memory - the article states that the DIE had the number KPS1N15EZA, often, dies will have a different part number that the actual part number. At least that's been the case in my experience.

efan999
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re: Phase-change memory found in handset
efan999   12/2/2010 2:20:18 PM
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Really? How come UBM TechInsights is so shy and cannot reveal the model number of the handset? And what exactly is KPS1N15EZA? A prototype? Samsung's "official" PRAM prototype was labeled KPS1215EZM, and the "commercial" PRAM MCPs were labeled K571228ACM and K571229ACM.

resistion
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re: Phase-change memory found in handset
resistion   12/2/2010 1:15:53 PM
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Looks like a battery guzzler, maybe 1 mA write current?

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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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