Werner
As I understand it, IST and T-cycling give similar but not necessarily identical results that prohibit making such statements as X IST cycles is equivalent to Y T-cycles. Is that right?
My question is how certain are we of the correlation between either method and actual board performance.
Mike McMaster
RF Product Engineer
Merix Corporation
503-992-4263
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From: Werner Engelmaier[SMTP:[log in to unmask]]
Reply To: TechNet E-Mail Forum.;[log in to unmask]
Sent: Thursday, July 10, 2003 5:50 PM
To: [log in to unmask]
Subject: Re: [TN] Interconnect Stress Testing
Hi Paul & Valerie,
IST has been qualitatively correlated to the results of T-cycling, however,a
quantitative correlation is still lacking. By no means has IST "been thorougly
modeled and been benchmarked to other standard stress tests." The necessary
work to obtain the needed data has simply not been done. One effort published
turned out to have data that clearly were incorrect.
Regards,
Werner Engelmaier, Chairman, IPC Reliability Committee
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