[PCB_FORUM] Re: CM Topology Assignment
- From: Andy_Kulik@xxxxxxx
- To: icu-pcb-forum@xxxxxxxxxxxxx
- Date: Thu, 13 Jan 2005 16:24:43 -0500
Try changing the IO model to Out on U1 and IN on the rest.
What Version of Cadence are you using?
Chris Brennan
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01/13/2005 04:01 PM
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[PCB_FORUM] CM Topology Assignment
Hi All. I'm having a problem with topology assignments.
When you have a topology with say one driver and 4 receivers and all 4
receivers are identical, with identical models, and I create a cset with
a specified schedule say;
U1 -> U2 -> U3 -> U4 -> U5
Now I apply this cset to a net that has devices, say:
U10, U11, U12, U13 and U14 (that I want ordered like that) the schedule
seems to be random since all devices are the same. IE:
U10 -> U12 ->U13 -> U14 -> U11
and the nextime you apply the topology it might be:
U10 -> U11 ->U14 -> U12 -> U13.
I cannot use REFDES mapping mode since they are all different
components. The other mapping modes behave the same.
Anyone have any suggestions? (Besides using a user schedule).
Thanks for any help.
Chris Brennan, C.I.D.
PCB Designer
Fidus Systems Inc.
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