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Daniel Payne
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Re: What happen to tear down people?
Daniel Payne   7/11/2014 12:56:18 PM
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Apple has made no foundry changes to iPad processors for the same product generation, I blogged about their chip history at SemiWiki.

tangey
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Re: What happen to tear down people?
tangey   7/11/2014 7:12:40 AM
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Apple has a history of silently changing chips/process in small quantities without telling anyone. AFAIR, they changed the soc inside one of the ipad generations a few years ago when going from 32-28nm. There was a while that the current ipad at the time came with one of two different socs, and there was no way to tell, except the newer soc had a longer battery life and the ipad ran cooler.

It would therefore not surprise me if some existing apple products out there are already shipping with a new soc.

_hm
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Re: What happen to tear down people?
_hm   7/11/2014 4:48:30 AM
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This was good opportunity for tear down to be first people to inform that TSMC is inside Apple devices and what kind of geometry is employed.

resistion
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Re: What happen to tear down people?
resistion   7/10/2014 8:35:36 PM
Usual rumor mill as always.

_hm
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What happen to tear down people?
_hm   7/10/2014 7:10:50 PM
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I assume tear down analysts are very active and could have researched this much in advance. Have they encountered A7 or other SOC from TSMC in Apple device?

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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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