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ARM wrestles with silicon, battery hurdles

8/19/2011 04:10 AM EDT
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t.alex
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re: ARM wrestles with silicon, battery hurdles
t.alex   8/28/2011 4:53:10 AM
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The battery technology can't keep up with the applications runningh on top of the processors. Apps are consuming more power than ever.

green_is_now
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re: ARM wrestles with silicon, battery hurdles
green_is_now   8/24/2011 6:56:16 PM
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The cost of scaling will stop scaling when there is no payoff. We may be there now without improvements in EUV, III-V, SOI, and/or cheap III-V integration on silicoln, or some combo of above.

green_is_now
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re: ARM wrestles with silicon, battery hurdles
green_is_now   8/24/2011 6:51:42 PM
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When gas prices reach 10$ a gallon!

green_is_now
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re: ARM wrestles with silicon, battery hurdles
green_is_now   8/24/2011 6:47:15 PM
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yes, batteries suck and power needs and leakage currents are on the rise with shrinking nodes. when will they run bloatware?

elctrnx_lyf
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re: ARM wrestles with silicon, battery hurdles
elctrnx_lyf   8/24/2011 3:10:36 PM
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I think the Battery technology is more challenged than the semi conductor currently. The demand to design small size high capacity batteries is increasing every day because of the high end smart phones and tablets.

WalkBy
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re: ARM wrestles with silicon, battery hurdles
WalkBy   8/24/2011 5:18:22 AM
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I believe that when the silcon scaling will stop we will probably start scaling all the rest of the system parts mechnical and optical on the same die.

sharps_eng
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re: ARM wrestles with silicon, battery hurdles
sharps_eng   8/22/2011 10:30:20 PM
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@Duane - hi! I agree about physical barriers, no-one in commercial aviation is seriously suggesting that the sound barrier will be 'overcome' any more. We know what the incremental cost of supersonic aviation is, and we don't like it. The industry is currently probing for the sweet spot in silicon scaling; as always, the technique is: 'tighten it up 'til it breaks, then back it off half a turn'. Sounds like it just broke around 20nm, leaving most designs at 28nm or more. Nothing wrong with that. The same may be true of batteries, by the way, there aren't any unexplored slots in the periodic table,and lithium is the sweet spot at the left-most column. New backlight technology, smarter CPU design and usage, plus bloat-free software can improve battery life sooner than silicon scaling or new battery thechnology.

TingLu
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re: ARM wrestles with silicon, battery hurdles
TingLu   8/22/2011 3:36:35 PM
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I remembered an article discussing that we might hit cost barrier than technology barrier. This is already happening. Although possible from technology standpoint of view, more and more Companies stop following down scaling trend. Lots of in-house ASIC remain in 130nm or 90nm and will be so for quiet long time. I had chance to take a look at 20nm Waffer cost from one of major foundry. Aside from power benefit comparing to 28nm, it almost has no cost benefit at all even for digital logic. Considering IO, SERDES, and other mixed signals blocks as significant percentage of die area, which doesn't shrink much at all, I am questioning how many companies other than Mobile IC and PC companies will follow the suit. With less Companies go into 20 or 14nm, whoever getting in there must shoulder foundry's skyrocket R&D cost. This is just going to be getting worse. I believe this scaling game has been playing for 30 years have to stop somewhere also like any other technologies. I'm not old enough to see the beginning of it. But I'm sure that I am young enough to see end of it. But I believe another new technology will emerge. With Intel and Samsung becoming GM and Ford today, there will be new Intel and Samsung emerge. Guess who they are!!

Duane Benson
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re: ARM wrestles with silicon, battery hurdles
Duane Benson   8/21/2011 11:00:49 PM
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At some point, there will be a point of diminishing return on down-scaling. It happens with just about all technologies. For sixty years, aircraft got faster and faster, and then just stabled out with other factors becoming first order, pushing speed down the list. Automobiles did pretty much the same thing. I'd like to say silicon scaling has to stop because you cant get smaller than an atom, but who really knows if we can? Regardless of when it stops, we will at some point have to accept that the game has changed. Then silicon geometries will become second or third order factors and something else will move in to the most significant spot.

p_g
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re: ARM wrestles with silicon, battery hurdles
p_g   8/21/2011 9:30:44 PM
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I like when people predict end of silicon scalling. I heard that 65nm will be end of scaling, but we are already hitting 20nm in production and 14nm on its way. Transistor keep changing, BJT then CMOS then Metal gate then FinFET e.t.c. Dont know which one will take over but several other options are there beyond this like carbon nano-tubes e.t.c. Things are not going to stop...

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