Author: Ricardo Gibert
Date: 01:11:57 04/22/05
Go up one level in this thread
On April 21, 2005 at 18:39:02, Dann Corbit wrote: >On April 20, 2005 at 23:55:57, Ricardo Gibert wrote: > >>On April 20, 2005 at 15:46:00, Dann Corbit wrote: >> >>>On April 20, 2005 at 05:32:24, Ricardo Gibert wrote: >>> >>>>On April 20, 2005 at 02:48:05, Dann Corbit wrote: >>>> >>>>>On April 20, 2005 at 01:35:32, Robin Smith wrote: >>>>> >>>>>>On April 18, 2005 at 21:05:10, Dann Corbit wrote: >>>>>> >>>>>>>I doubt very much if Moore's law will quit in less than 100 years. >>>>>> >>>>>>You can't be serious. >>>>> >>>>>Serious as cancer. >>>>> >>>>>Not that we'll be using ICs in 100 years. They will look like relays would look >>>>>today for a computing machine, I am sure. >>>> >>>>Moore's law has to do with feature size and if you do a calculation assuming >>>>Moore's law holds out for 100 years, you will perhaps determine the feature size >>>>to be smaller than a quark, which is rather improbable. >>> >>>Currently, ICs have two dimentions. If you move to another dimention, you gain >>>a lot more real estate. >>> >>>>What is relevant is function and capacity. For example, moving from base 2 logic >>>>to base 4 would double function and capacity while leaving feature size the >>>>same. BTW, isn't DNA base 4? If so, not an unreasonable idea I would say. >>> >>>I saw an analysis once that said base e was the densest possible storage. >>> >>>Base 3 is closer than base 4, so it might be more dense. Can't say for sure, as >>>I do not recall the analysis exactly. >> >>I wasn't able to find anything about that. I didn't try that hard, however. If >>you can find a reference, it would be nice. > >http://www.americanscientist.org/content/AMSCI/AMSCI/ArticleAltFormat/20035214317_146.pdf > Interesting article. Thanks for the link. Fortunately, the IC designers do not have to constrain themselves by the assumptions made in the article. The idea of MVL for bases higher than 2 and even 3 are very much alive and kicking apparently. >>As the following link shows, MultiValued Logic (MVL) is not only an active area >>of research, it is possible to have it used in a computer anyone can buy. It >>says that 4-valued logic is being used in some of the higher capacity DRAMs: >> >>http://web.it.kth.se/~elena/PAPERS/NORCHIP99b.pdf >> >>> >>>It should be easy enough to create base 3 circuits, since you would have +, 0 >>>and - as natural states.
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