I have a design that has several diff pairs. I have been asked to make them the same length within .005" (5 mil). I can't figure out how to use the constraint manager to do this. When using the propogation delay, it says it doesn't apply to diff pairs..... ?
I am using Allegro 16.0 XL
OK, looks like I found what I needed EXCEPT........how do I undock the "heads up" display?
I found that setting under "ETCH". However, it still won't fly out or display a docked heads up display........anything else I can try?
Also, once I enabled the above, I no longer get any tuning (like trombone, etc) even though I have all those settings setup.
When I did'nt have those heads up settings on at all, I could get the tromboning to work, but no way to see how the tuning is progressing.
Just tried 16,5 XL legacy with this same brd. No flyout, no docked heads up display.I checked the user pref and it is set to be "ON".. I don't get it. Is it the type of Allegro editor affect this? I.E. XL vs SI, etc???
Yes but with an XL license you have enought tools. What Constraint Manager rules are set. Heads up display will only display for Total Etch Length, Static Phase and Rel Prop Delays...