[ibis-macro] SATA: Why 14 sigma?
- From: David Banas <DBanas@xxxxxxxxxx>
- To: 'IBIS-ATM' <ibis-macro@xxxxxxxxxxxxx>
- Date: Wed, 18 Apr 2012 13:26:55 -0700
Hi experts,
Does anyone know why the SATA committee chose to add 14 sigma to Dj, in order
to determine Tj at an effective BER of 1e-12?
I'm looking at a table of the erfc function, and it's telling me that erfc(14)
= 3.0372e-87!
(I would've expected that they would've chosen `n', such that erfc(n) = 1e-12.)
Thanks!
David Banas
Sr. Member Technical Staff
Altera<http://www.altera.com/>
+1-408-544-7667 - desk
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