[SI-LIST] Re: SEU errors
- From: Ray Anderson <ray.anderson@xxxxxxxxxx>
- To: rsefton@xxxxxxxxxxxxx, si-list@xxxxxxxxxxxxx
- Date: Wed, 13 Apr 2005 10:10:41 -0700
Bob-
I'm the wrong guy to ask as I'm not really involved with the SEU work in
any way. However I'll send you a contact off-list who can probably
answer all of your questions regarding the SEU issue.
-Ray
rsefton@xxxxxxxxxxxxx wrote:
>
>
>That TechXclusive uses a conversion fact= or of +30% increase in error rate
>for every +1000 feet of elevation. At 30,= 000 feet that becomes 2620 times
>the error rate at sea level, which is huge= . Does Xilinx have any data for
>expected error rates in space and/or aviati= on applications? Or do you just
>recommend not using SRAM-based FPGAs above = a certain altitude without some
>kind of error detection and recovery scheme= ?
>
>Thanks,
>
>Bob S.
>
>On Wed Apr 13 11:15 , Ray Anderson sent:
>
>Chirag-
>
>Also see the following on the Xilinx web site for some comparisons
>between low altitude and high altitude SEU numbers:
>
>http://www.xilinx.com/xlnx/xweb/xil_tx_display.jsp\=
>?sGlobalNavPick=3D&sSecondtNum=3D1&sTechX_ID=3Dalpa_rosetta</FONT></A>
>
>If you talk to your FAE he can probably supply more data than is publically=
>available,
>though if you search under SEU on the Xilinx web site you'll come up with a=
>multitude of related documents.
>
>-Ray
>
>
>
--
Raymond Anderson
Senior Signal Integrity Staff Engineer
Product Technology Dept.
Package Engineering Group
Xilinx Inc.
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