Re: Sould IBIS reflect SPEC or actual silicon?

I would think it also depends on whether you call the device that has been
subjected to electromigration defective. If not defective, then I vote for
using the lower current model for the weak case. In short, the I feel the models
should reflect what will be put into products regardless of how you derive
them.

... Rich Mellitz, NCR
On Oct 23, 4:18pm, Nachum Rozen wrote:
> Subject: Sould IBIS reflect SPEC or actual silicon?
>
> Hello IBIS folk:
>
> I've got a question regarding what IBIS file should reflect:
> The actual silicon parameters or spec parameters?
>
> This might seem an odd question but - lets consider the
> following case as an example: Let say that some signal is able
> to drive currents up to 10mA (this is its electrical characteristic).
> Now because of electromigration limmitations the alowable current
> in the spec is only 5mA. In this case, what should the IBIS file
> reflect - the 10mA (the actual silicon characteristic) or thr 5mA
> (the SPEC limmitation)?
>
> Thanks in advace.
>
> Nahum Rozen.
> Motorola Semiconductors.
>-- End of excerpt from Nachum Rozen
Received on Wed Oct 23 12:50:10 1996