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greenpattern
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re: Micron ships phase-change memory for Nokia phones
greenpattern   2/7/2013 8:11:47 AM
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Not strange no PCM phones yet. Consuming more energy in shorter time means higher power consumption.

resistion
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re: Micron ships phase-change memory for Nokia phones
resistion   2/7/2013 7:02:03 AM
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Original source: http://www.eetimes.com/electronics-news/4401477/Electronica--Micron-memory-to-skip-a-node

resistion
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re: Micron ships phase-change memory for Nokia phones
resistion   2/7/2013 6:27:38 AM
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Mid-Nov 2012, no PCM shipped to Nokia, but Asha 311 released already Aug 2012? From 11-15-2012: "Bader said that Micron will ship tens of millions of units of 1-Gbit PCM in 2012 in 45-nm process in its leading-edge component, which combines a 1-Gbit PCM die with a 512-Mbit SDRAM and provides a LPDDR2 interface."

greenpattern
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re: Micron ships phase-change memory for Nokia phones
greenpattern   2/6/2013 4:54:08 PM
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Going from 90 nm to 45 nm endurance went from 1 million cycles to 100 K cycles. Not good.

resistion
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re: Micron ships phase-change memory for Nokia phones
resistion   2/5/2013 3:34:05 PM
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DRAM backup? Necessary? Why not direct access?

rbtbob
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re: Micron ships phase-change memory for Nokia phones
rbtbob   12/16/2012 5:05:40 PM
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The description of what Nokia is getting from Micron is linked on the top-right of the page that inlewski provided: http://www.micron.com/products/multichip-packages/pcm-based-mcp

resistion
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re: Micron ships phase-change memory for Nokia phones
resistion   12/14/2012 6:08:22 AM
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Thanks for the link. Only 90 nm 128 Mb available. Any 45 nm Gb must be sampling.

resistion
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re: Micron ships phase-change memory for Nokia phones
resistion   12/13/2012 10:57:56 PM
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If it is used merely as bootup ROM, worth a laugh.

krisi
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re: Micron ships phase-change memory for Nokia phones
krisi   12/13/2012 4:37:54 PM
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here is the link to Micron's web site describing PCM http://www.micron.com/products/phase-change-memory

Solster
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re: Micron ships phase-change memory for Nokia phones
Solster   12/13/2012 4:26:25 PM
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Hmm, Nokia must be out of their mind - paying their hard earned (and shall we say - scarce) cash for a technology that according to many forum-posters' (no less important and knowledeable people than that!) perceptions of strangeness :) /end sarcasm

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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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