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Zappers
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re: Ferreting out the fakes in the chip supply chain
Zappers   8/16/2011 1:11:59 PM
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It is not only US where counterfeit portable memory chips are sold but all over the world. Memory Chips (especially upgraded ones which are originally 512Mb are sold as 2GB) are sold one third of the price of original 2GB memory Chips. I am almost postive that Asia consumes probably equally or even much more of these counterfeits than USA today!!!

ibm221
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re: Ferreting out the fakes in the chip supply chain
ibm221   8/16/2011 7:32:46 AM
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this is devil, dude, and it's everywhere. US president could also lie about his everything.

Etmax
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re: Ferreting out the fakes in the chip supply chain
Etmax   8/16/2011 12:18:56 AM
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I'm sorry Cliff, but the author did cover what you said elaborating on how the parts make their way into the "official" channels. Yes most of it is grey market, but there are exceptions. Consider also that the semi companies now manufacture in china and distribute to the world from there. What makes you think that a country that puts melamine in baby milk resulting in kidney damage won't add a duds to the mix?

maryl19
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re: Ferreting out the fakes in the chip supply chain
maryl19   8/16/2011 12:10:00 AM
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It is not always a matter of money. Sometimes the "gray market" is the only choice if you are supporting designs that require obsolete components when there are issues redesigning the product to use newer parts. I believe the article mentions this in relation to the military and aerospace industries.

Cliff Keller
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re: Ferreting out the fakes in the chip supply chain
Cliff Keller   8/15/2011 7:55:33 PM
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I disagree with the tone of this article. It is actually very easy to avoid counterfeit and reused devices. Just buy the devices directly from the supplier or through franchised distributors. The problems come from buying through "gray market" sources to save a little money.

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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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