[TriEmbed] Novel approach for low power logic from Intel

[Peter Soper]

Ugh. Sorry.

Aug 28, 2023 5:23:42 PM John Wettroth <jwet at mindspring.com>:

> Just noticed that the press release was from 2012- DOH!  Oh well.
> 
> 
> Regards,
> John M. Wettroth
> E: jwet at mindspring.com
> M: (919) 349-9875
> H:  (984) 329-5420
> 
> -----Original Message-----
> From: TriEmbed <triembed-bounces at triembed.org> On Behalf Of John Wettroth via
> TriEmbed
> Sent: Monday, August 28, 2023 4:49 PM
> To: 'Pete soper' <pete at soper.us>; 'Triangle Embedded Interest Group'
> <triembed at triembed.org>
> Subject: Re: [TriEmbed] Novel approach for low power logic from Intel
> 
> I'm surprised that Intel is claiming this as really novel.  The Claremont
> Architecture mentioned was being talked about as the IA in 2012.  It grew out of
> the Atom processors that ran in this near threshold/sub threshold region.  Lot
> of companies have used techniques like this for decades.  Most digital stuff
> that runs at these absurd low voltages is subthreshold or near.  The very low
> power Microchip (nanoWatt XLP) parts use these techniques.  Intel's FINFET
> operate below .7v already.  There was a startup called SuVolta that was based on
> these techniques- it disappeared (acquired or folded?) about five years ago.
> Freescale had some dynamic power stuff that played games with the "body" or
> substrate connection to modulate threshold voltage.  It let them make parts that
> operate in strong inversion at high speeds  with higher class A type leakage
> currents but could downshift to a slower, low leakage mode by manipulating the
> body voltage.  They could do this on the fly- don't know what happened to it-
> good fodder for ISSC conferences of the day.  Press releases are written by
> investor relations guys that don't have a firm handle on the  technology and
> mainly into promotion.  Ironically, the old 40 or so nm process nodes were much
> better in these respects.  I think 7 nm might have overshot the mark.
> 
> Take Care-
> 
> Regards,
> John M. Wettroth
> E: jwet at mindspring.com
> M: (919) 349-9875
> H:  (984) 329-5420
> 
> Searchable email archive available at
> https://www.mail-archive.com/triembed@triembed.org/
> 
> 
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