[TriEmbed] Novel approach for low power logic from Intel

[Peter Soper]

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 <mikelisanke at gmail.com>:

> 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 <triembed at triembed.org> wrote:
>> 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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> 
> 
> -- 
> Best regards,  Mike
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