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Peter Clarke
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Re: Going green
Peter Clarke   7/18/2013 8:17:54 AM
Hi Frank

Yes i do agree.

Every little bit helps.

But with comparative markting what you compare against is the trick.


So memory geometry and energy/bit have been reducing for years as a natural consequence of Moore's law miniaturization. I would argue that for an engineering audience this "downward escalator" is a built-in assumption.

And bear in mind the per bit energy needs to reduce because we keep choosing multimedia standards and applications that require more and more bits.

To say that the y generation memory consumes less per bit than the x generation memory and is therefore "green" seems to be a stretch. If very specific other things were done to make the compoment greener, reduce its carbon footprint during manufacture etc, I would better relate to the green label.


But yes every little bit helps....and the software programmers also need to understand that.




Frank Eory
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Re: Going green
Frank Eory   7/17/2013 1:57:50 PM
Peter, don't you think "green" is an analog quantity and that every little bit helps? Perhaps they should use the word "greener" to indicate improvement. Whether it is reducing the quantity of gases used in IC manufacturing or a memory that uses a little bit less energy than its predecessors, these are all good things, and I don't mind that the PR guys like to point that out when a change is made that means less environmental impact or energy use.

Peter Clarke
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Re: Going green
Peter Clarke   7/17/2013 11:04:45 AM
And then there are those companies that put "green" in the naming of any product to take as much marketing benefit as possible.

So a memory that uses a little bit less energy to store a bit than some other memory becomes a "Green Memory"


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Re: Going green
R_Colin_Johnson   7/16/2013 6:16:32 PM
SRC's Environmentally Benign Semiconductor Manufacturing efforts are exemplary of what responsible chip makers should be doing. The effort is also researching all types of "greener" chemistries to clean up chip making further:

SRC funds green chemistry hunt


Tom Murphy
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Re: Going green
Tom Murphy   7/16/2013 4:49:37 PM
Hear, hear! SRC is doing important work here.  The industry already has a well-deserved black eye for its impact on the groundwater of Silicon Valley.  Environmental planning must become the part of any future chipmaking effort that hopes to be considered a success. End of story.

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Going green
mcgrathdylan   7/16/2013 1:53:22 PM
There's no getting around the fact that chip building is not exactly an environmentally friendly industry. I think we should applaud the development of any technology that can offset that, even in a small way.

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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