Which type of volatile RAM has the least duration of data remanencewhen power-offed?
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From: Jerry Avins on 14 May 2010 15:48 On 5/14/2010 3:12 PM, GreenXenon wrote: > On May 14, 4:37 am, bok...(a)zonnet.nl (Gerard Bok) wrote: >> On Wed, 12 May 2010 20:07:30 -0700 (PDT), GreenXenon >> >> <glucege...(a)gmail.com> wrote: >>> Which type of volatile RAM has the least duration of data remanence >>> when the power is offed? >> > > >> SN7489 probably qualifies. > > > Does SN7489 contain capacitors? All ICs that have a conducting substrate overlain by an insulating layer on which there are conductors contains capacitors. -- "I view the progress of science as ... the slow erosion of the tendency to dichotomize." --Barbara Smuts, U. Mich. �����������������������������������������������������������������������
From: Eric Jacobsen on 14 May 2010 17:23 On 5/14/2010 2:11 PM, Steve Pope wrote: > GreenXenon<glucegen1x(a)gmail.com> wrote: > >> Twin-Transistor RAM does not contain capacitors >> >> http://en.wikipedia.org/wiki/Twin_Transistor_RAM quote: >> >> "TTRAM is similar to conventional one-transistor, one-capacitor DRAM >> in concept, but eliminates the capacitor by relying on the floating >> body effect inherent in a silicon on insulator (SOI) manufacturing >> process." > > Jeez, so it is storing charge on parasitic capacitors. > > Steve He's not getting that's it not possible to build semiconductor circuits without capacitance. -- Eric Jacobsen Minister of Algorithms Abineau Communications http://www.abineau.com
From: Jerry Avins on 14 May 2010 18:12 On 5/14/2010 5:23 PM, Eric Jacobsen wrote: > On 5/14/2010 2:11 PM, Steve Pope wrote: >> GreenXenon<glucegen1x(a)gmail.com> wrote: >> >>> Twin-Transistor RAM does not contain capacitors >>> >>> http://en.wikipedia.org/wiki/Twin_Transistor_RAM quote: >>> >>> "TTRAM is similar to conventional one-transistor, one-capacitor DRAM >>> in concept, but eliminates the capacitor by relying on the floating >>> body effect inherent in a silicon on insulator (SOI) manufacturing >>> process." >> >> Jeez, so it is storing charge on parasitic capacitors. >> >> Steve > > He's not getting that's it not possible to build semiconductor circuits > without capacitance. I can draw a circuit diagram without capacitors, so why can't I build the circuit? Jerry -- "I view the progress of science as ... the slow erosion of the tendency to dichotomize." --Barbara Smuts, U. Mich. �����������������������������������������������������������������������
From: Michael A. Terrell on 14 May 2010 18:37 Eric Jacobsen wrote: > > On 5/14/2010 2:11 PM, Steve Pope wrote: > > GreenXenon<glucegen1x(a)gmail.com> wrote: > > > >> Twin-Transistor RAM does not contain capacitors > >> > >> http://en.wikipedia.org/wiki/Twin_Transistor_RAM quote: > >> > >> "TTRAM is similar to conventional one-transistor, one-capacitor DRAM > >> in concept, but eliminates the capacitor by relying on the floating > >> body effect inherent in a silicon on insulator (SOI) manufacturing > >> process." > > > > Jeez, so it is storing charge on parasitic capacitors. > > > > Steve > > He's not getting that's it not possible to build semiconductor circuits > without capacitance. He's a nym shifting troll. -- Anyone wanting to run for any political office in the US should have to have a DD214, and a honorable discharge.
From: Jerry Avins on 14 May 2010 19:58
On 5/14/2010 6:41 PM, Jim Thompson wrote: > Jerry, Methinks you "chain-yank" :-) Clearly! > Every junction or gate overlay has capacitance... whether you "draw" > it or not. We're trying to drum that into Greenxenon's consciousness. Jerry -- "I view the progress of science as ... the slow erosion of the tendency to dichotomize." --Barbara Smuts, U. Mich. ����������������������������������������������������������������������� |