Subject: Re: [IBIS-Users] IBIS bump question
From: Fred Balistreri (fred@apsimtech.com)
Date: Fri Nov 22 2002 - 14:29:48 PST
It does not matter, so long as it does not get double counted. I believe
the solder bump may appear in the CAD package data base. If so it should
be made part of the package not the IC.
Best Regards,
Tom Dagostino wrote:
>
> I started to say the bump C should be part of the package but in reflection
> it seems to be part of the die. I'd vote for as part of C_comp because it
> is part of the metalization on the die.
>
> Tom Dagostino
> Device Modeling Division
> Teraspeed Consulting Group LLC
> 2926 SE Yamhill St.
> Portland, OR 97214
> (503) 430-1065
> tom@teraspeed.com
> http://www.teraspeed.com
>
> -----Original Message-----
> From: owner-ibis-users@server.eda.org
> [mailto:owner-ibis-users@server.eda.org]On Behalf Of Eric Hsu
> Sent: Friday, November 22, 2002 12:20 PM
> To: ibis-users@server.eda.org
> Subject: [IBIS-Users] IBIS bump question
>
> Hi all,
>
> For a wire-bond package, the RLC of the bondwire is generally considered
> to be part of the package. For a flip-chip package, is there a convention
> for how the bump parasitics should be handled? Is the bump to be
> considered part of the package, or part of the die(C_comp)?
>
> Regards,
>
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-- Fred Balistreri fred@apsimtech.comhttp://www.apsimtech.com |------------------------------------------------------------------ |For help or to subscribe/unsubscribe, email majordomo@eda.org |with just the appropriate command message(s) in the body: | | help | subscribe ibis <optional e-mail address, if different> | subscribe ibis-users <optional e-mail address, if different> | unsubscribe ibis <optional e-mail address, if different> | unsubscribe ibis-users <optional e-mail address, if different> | |or email a written request to ibis-request@eda.org. | |IBIS reflector archives exist under: | | http://www.eda.org/pub/ibis/email_archive/ Recent | http://www.eda.org/pub/ibis/users_archive/ Recent | http://www.eda.org/pub/ibis/email/ E-mail since 1993
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