[PCB_FORUM] Re: 16.3 Constraint Manager question (Added Images)
- From: O Migs <o.miguelino@xxxxxxxxx>
- To: icu-pcb-forum@xxxxxxxxxxxxx
- Date: Sun, 17 Apr 2011 01:28:10 -0700
Hi Mark,
Just a thought. Do you have "Create user-defined properties" selected
during the netin process? This option allows the creation of property
definitions from the netlist.
Best regards,
-oscar
On Thu, Apr 14, 2011 at 3:46 AM, Mark Salberg <msalberg@xxxxxxxxxxxx> wrote:
> Here is the same as original message WITH images.
>
> I was wondering if anyone there has run into this one?
>
> After adding Prop delay property on nets in schematic (Concept), package to
> Allegro, all nets are assigned to a Matched Length group in CM.
>
> Set target, add delta / tolerance and assign pin pairs as Longest Pin Pair.
> *Everything is fine until packaging schematic changes to Allegro next
> time!*
> *After packaging*, the delta / tolerance is defaulted back to *0 mil:5%???
> Thus causing all Prop delays to fail.
> *
> Any Ideas?
> I just finished a design using this method, but it never did this.
>
> P.S. I really like the idea of assigning in the schematic.
>
> Thanks in advance,
> Mark
>
>
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