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dkace
Post subject: ESD HBM model Test Bench Posted: Mon Aug 31, 2009 7:33 am

Lieutenant

Joined: Mon Aug 31, 2009 7:25 am
Posts: 1
Hi all,

I am building a HBM ESD test bench and I came up to the following question:

When I connect the ESD protection circuit and the theoretical input to the main circuit (ie an n-MOS),
what I put as Vcc and Vee voltage of the ESD?

My original idea is to leave it floating. But then, floating means arbitrary voltage in the power lines.

My second thought is to put both VCC and VEE inputs to the same node which eventually is connected to the substrate.

The second approach shows a well operating ESD protection scheme. But is it the correct one, meaning, is it the one corresponding in the real situation?

Thanks,

D.


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Paul Chriss
Post subject: Re: ESD HBM model Test BenchPosted: Mon Sep 21, 2009 10:33 pm

Captain

Joined: Sat Mar 04, 2006 10:12 am
Posts: 8
IEC 61000-4-2 lays out all of the "official" tests for ESD testing.

International Electrotechnical Commission

Unfortunately, you have to buy the spec from IEC (not cheap):
http://webstore.iec.ch/webstore/webstore.nsf/artnum/042407

For Military systems, the specification is MIL-STD-883, Method 3015.7 (free, compliments of taxpayers)

http://www.dscc.dla.mil/Downloads/MilSpec/Docs/MIL-STD-883/std883_3000.pdf









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