[SI-LIST] Re: SEU errors

  • From: steve weir <weirsi@xxxxxxxxxx>
  • To: cshroff@xxxxxxxxx, "Scott McMorrow" <scott@xxxxxxxxxxxxx>
  • Date: Wed, 13 Apr 2005 09:03:50 -0700

Let's try pasting the second link again:

http://www.xilinx.com/xlnx/xweb/xil_tx_display.jsp?sTechX_ID=alpa_thousand&iLanguageID=1&iCountryID=1

At 08:54 AM 4/13/2005 -0700, steve weir wrote:
>Chirag, you can find information on that from the Xilinx web site:
>http://www.xilinx.com/esp/mil_aero/collateral/RadiationEffects/neutron_single.pdf,
> 
>
>http://www.xilinx.com/esp/mil_aero/collateral/RadiationEffects/neutron_single.pdf
>
>The first report is more quantitative, but was performed on much older
>0.35u and larger devices.  The second report is both more current and more
>qualitative.  I'll leave it to you to decide if you agree with the
>subjective conclusions or not.
>
>Steve
>
>
>At 11:33 AM 4/13/2005 -0400, Chirag Shroff (cshroff) wrote:
> >=20
> >-----BEGIN PGP SIGNED MESSAGE-----
> >Hash: SHA1
> >
> >Hi Scott/Steve,
> >         I understand SEU impact and mitigation techniques for space
> >applications. I am interested in seeing SEU data for sea level.=20
> >
> >- --Chirag Shroff=20
> >Hardware Engineer=20
> >GSU (Government System Unit), Cisco Systems Inc.=20
> >Phone: (919) 392-6556=20
> >Email : cshroff@xxxxxxxxx=20
> >=20
> >
> > >>-----Original Message-----
> > >>From: Scott McMorrow [mailto:scott@xxxxxxxxxxxxx]=20
> > >>Sent: Wednesday, April 13, 2005 11:23 AM
> > >>To: Chirag Shroff (cshroff)
> > >>Cc: ray.anderson@xxxxxxxxxx; Bradley.S.Henson@xxxxxxxxxx;=20
> > >>si-list@xxxxxxxxxxxxx
> > >>Subject: SEU errors
> > >>
> > >>Chirag,
> > >>
> > >>The current research indicates that SEU errors are possible=20
> > >>for SRAM-based FPGA's.  Whether they occur in near sea-level=20
> > >>applications to any high probability is up for grabs.  But it=20
> > >>is such a concern in aircraft applications that mil-aero=20
> > >>contractors are designing circuits with redundant FPGAs for=20
> > >>airborne applications.
> > >>
> > >>
> > >>Regards,
> > >>
> > >>scott
> > >>
> > >>
> > >>
> > >>Scott McMorrow
> > >>Teraspeed Consulting Group LLC
> > >>121 North River Drive
> > >>Narragansett, RI 02882
> > >>(401) 284-1827 Business
> > >>(401) 284-1840 Fax
> > >>
> > >>http://www.teraspeed.com
> > >>
> > >>TeraspeedR is the registered service mark of Teraspeed=20
> > >>Consulting Group LLC
> > >>
> > >>
> > >>
> > >>Chirag Shroff (cshroff) wrote:
> > >>
> > >>>=3D20
> > >>>-----BEGIN PGP SIGNED MESSAGE-----
> > >>>Hash: SHA1
> > >>>
> > >>> Our SEU research group has several test sites co-located at=20
> > >>a number=20
> > >>>of high-altitude astronomical observatory mountain top  locations.
> > >>>
> > >>>So do you see Soft error events on these test sites ?
> > >>>
> > >>>- --Chirag Shroff
> > >>>
> > >>> =3D20
> > >>>
> > >>>-----BEGIN PGP SIGNATURE-----
> > >>>Version: PGP 8.1
> > >>>
> > >>>iQA/AwUBQl016InQs7uCgmQlEQJ0LwCdHq9/FovY+lXWcgQZh5CurnWlcj0An2jz
> > >>>qx+cWXizPKM90lxGzoNi9u5r
> > >>>=3D3D78SN
> > >>>-----END PGP SIGNATURE-----
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