The novelty to me was the frequency being varied across a 300X range as the PS voltage was varied across a 5X range on the fly. I'd heard of very low supply voltages but not the dynamism. Pete
Aug 28, 2023 8:32:49 PM Mike Lisanke <[email protected]>: > Good catch on date! > I didn't understand because there's So Much Energy Harvest technology that > running a chip on a solar cell (2 sq in?) seemed ridiculously easy to me. > I didn't read much further into the article thinking there was a mistake Or > something unique. I don't know what size chip can boot/work with Just RF > harvest but there's many. > > On Mon, Aug 28, 2023 at 8:15 PM Peter Soper via TriEmbed > <[email protected]> wrote: >> Ugh. Sorry. >> >> Aug 28, 2023 5:23:42 PM John Wettroth <[email protected]>: >> >>> Just noticed that the press release was from 2012- DOH! Oh well. >>> >>> >>> Regards, >>> John M. Wettroth >>> E: [email protected] >>> M: (919) 349-9875 >>> H: (984) 329-5420 >>> >>> -----Original Message----- >>> From: TriEmbed <[email protected]> On Behalf Of John Wettroth >>> via >>> TriEmbed >>> Sent: Monday, August 28, 2023 4:49 PM >>> To: 'Pete soper' <[email protected]>; 'Triangle Embedded Interest Group' >>> <[email protected]> >>> 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: [email protected] >>> M: (919) 349-9875 >>> H: (984) 329-5420 >>> >>> Searchable email archive available at >>> https://www.mail-archive.com/[email protected]/ >>> >>> >>> _______________________________________________ >>> Triangle, NC Embedded Interest Group mailing list >>> >>> To post message: [email protected] >>> List info: http://mail.triembed.org/mailman/listinfo/triembed_triembed.org >>> TriEmbed web site: https://TriEmbed.org >>> To unsubscribe, click link and send a blank message: >>> mailto:[email protected]?subject=unsubscribe >>> Searchable email archive available at >>> https://www.mail-archive.com/[email protected]/ >> >> _______________________________________________ >> Triangle, NC Embedded Interest Group mailing list >> >> To post message: [email protected] >> List info: http://mail.triembed.org/mailman/listinfo/triembed_triembed.org >> TriEmbed web site: https://TriEmbed.org >> To unsubscribe, click link and send a blank message: >> mailto:[email protected]?subject=unsubscribe >> Searchable email archive available at >> https://www.mail-archive.com/[email protected]/ >> > > > -- > Best regards, Mike
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