Michael, Thank you for correcting me. Now it is clear. Please help me in clarification regarding the Golden waveforms and [test data] , [test load], and external models which I posted earlier. Thanks and regards, Siva Borra. Mirmak, Michael wrote: > Siva, > > In your comments, you imply that you are including the package when > extracting the [Model] I-V and transient waveform information for your > buffers. I would hope that this is not the case. > > The IBIS structure assumes that the buffer information is extracted > separately from the package. Multiple package model sets, through the > [Alternate Package Model] keyword, therefore enable users of the IBIS > file for the component to use one set of buffer models with multiple > package designs. > > - Michael Mirmak > Intel Corp. > Chair, EIA IBIS Open Forum > > ------------------------------------------------------------------------ > *From:* Siva Nageswara Rao Borra [mailto:siva@india.nsc.com] > *Sent:* Thursday, September 07, 2006 01:32 > *To:* Mirmak, Michael > *Cc:* Siva Borra; ibis-users@eda.org; deepti@india.nsc.com > *Subject:* Re: [IBIS-Users] Re: How and where Alternate Package Models > of IBIS Version 4.x gets used? > > Hi Michael, > > Thank you very much. > While obtaining data for Pullup,Pulldown and waveform data, > we can consider only one package, the how would be the extra package > information is useful to the user? > > Regards, > Siva Borra. > > Mirmak, Michael wrote: > >>Siva, >> >>The alternate package keywords simply enable model authors to reference >>different package electrical descriptions for components that feature >>identical buffer designs. For example, a component that is available in >>both DIP and surface-mount packages could be represented using one IBIS >>file. This file would contain the buffer information in the appropriate >>[Model] keywords and include one set of package information under the >>[Package Model] keyword. Electrical data for any other available >>package designs could be referenced under the [Alternate Package Model] >>keyword. >> >>- Michael Mirmak >> Intel Corp. >> Chair, EIA IBIS Open Forum >> >>-----Original Message----- >>From: owner-ibis-users@server.eda.org >>[mailto:owner-ibis-users@server.eda.org] On Behalf Of Siva Nageswara Rao >>Borra >>Sent: Tuesday, September 05, 2006 00:20 >>To: ibis-users@server.eda.org >>Cc: Siva Nageswara Rao Borra; deepti@india.nsc.com >>Subject: [IBIS-Users] Re: How and where Alternate Package Models of IBIS >>Version 4.x gets used? >> >>Hi Expert, >> >> >> >>> Can anybody give a clarity on how the >>>additional/alternate package models are helpful >>>and also how they can be supplied? >>>This is regarding the [Alternate Package]/[End Alternate] Package >>>models, available on IBIS version 4.x. >>> >>>Thanks in advance for your support. >>> >>>With best regards, >>>Siva Borra. >>> >>> >>> >>> >> >> >> >>-------------------------------------------------------------------- >>|For help or to subscribe/unsubscribe, e-mail majordomo@eda-stds.org >>|with 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 e-mail a request to ibis-request@eda-stds.org. >>| >>|IBIS reflector archives exist under: >>| >>| http://www.eda-stds.org/pub/ibis/email_archive/ Recent >>| http://www.eda-stds.org/pub/ibis/users_archive/ Recent >>| http://www.eda-stds.org/pub/ibis/email/ E-mail since 1993 >> >>-------------------------------------------------------------------- >>|For help or to subscribe/unsubscribe, e-mail majordomo@eda-stds.org >>|with 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 e-mail a request to ibis-request@eda-stds.org. >>| >>|IBIS reflector archives exist under: >>| >>| http://www.eda-stds.org/pub/ibis/email_archive/ Recent >>| http://www.eda-stds.org/pub/ibis/users_archive/ Recent >>| http://www.eda-stds.org/pub/ibis/email/ E-mail since 1993 >> >> >> >> > -------------------------------------------------------------------- |For help or to subscribe/unsubscribe, e-mail majordomo@eda-stds.org |with 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 e-mail a request to ibis-request@eda-stds.org. | |IBIS reflector archives exist under: | | http://www.eda-stds.org/pub/ibis/email_archive/ Recent | http://www.eda-stds.org/pub/ibis/users_archive/ Recent | http://www.eda-stds.org/pub/ibis/email/ E-mail since 1993Received on Fri Sep 8 02:54:13 2006
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