[PCB_FORUM] Re: Prop Delay - Analysis Failed
- From: Dave Seymour <deseymour-pcb@xxxxxxxxxxxxx>
- To: icu-pcb-forum@xxxxxxxxxxxxx
- Date: Mon, 14 Mar 2005 10:40:48 -0500 (GMT-05:00)
Andy, Keith,
The env vars didn't do it either.
I use mainly the Solaris version of Allegro.
Just for fun I opened the database in Windows. The
delay seems to report correctly there. I thought I had
lost my mind. Seems to be reproducible from OS to OS.
Currently, I'm downloading the latest and greatest Solaris with
hotfixes. I was using the 10/24/2004 version. Cadence has a
11/18/2004 with 12/21/2004 hot fix.
I'll report back and see if the problem is really software
related.
Arrgh,
Thanks for your help.
Dave
-----Original Message-----
From: Andy_Kulik@xxxxxxx
Sent: Mar 14, 2005 9:56 AM
To: icu-pcb-forum@xxxxxxxxxxxxx
Subject: [PCB_FORUM] Re: Prop Delay - Analysis Failed
That is really odd. Did the env vars Keith posted help. didn't know about
those......
Dave Seymour
Sent by:
03/14/2005 09:49 AM
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[PCB_FORUM] Re: Prop Delay - Analysis Failed
Andy,
That would be cool, except the net is routed
according to the "i" button...
Pin Type SigNoise Model
--- ---- --------------
RP3008.5 BI CDSDefaultIO
U11.J25 BI CDSDefaultIO
No connections remaining
Properties attached to net
PROPAGATION_DELAY = L:S:2655 MIL:2660 MIL
Any other ideas?
dave
-----Original Message-----
From: Andy_Kulik@xxxxxxx
Sent: Mar 14, 2005 9:38 AM
To: icu-pcb-forum@xxxxxxxxxxxxx
Subject: [PCB_FORUM] Re: Prop Delay - Analysis Failed
If the net is not fully routed the box will stay yellow. Cm should tell
you that at the very bottom bar of the UI.
To enable unrouted drc mode go to the Analyze Menu in CM and select
Analysis Modes.
In the Options tab of the resulting UI select the according checkboxes.
;-) Andy
Dave Seymour
Sent by:
03/14/2005 09:26 AM
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Subject
[PCB_FORUM] Prop Delay - Analysis Failed
On 15.2
I have a net with the PROPAGATION_DELAY set.
The electrial constraints form button is "on".
In the CM spreadsheet, The cell is yellow and reports
that the Analysis failed.
What are the reasons that the Analysis could fail?
Is there something else to setup?
Thanks
dave
LISTING: 1 element(s)
< NET >
Net Name: PB_MDQS1
Via Count: 2
Total Etch Length: 2625.77 MIL
Total Manhattan Length: 2023.08 MIL
Percent Manhattan: 129.79%
Pin Type SigNoise Model
--- ---- --------------
RP3008.5 BI CDSDefaultIO
U11.J25 BI CDSDefaultIO
No connections remaining
Properties attached to net
PROPAGATION_DELAY = L:S:2655 MIL:2660 MIL
Electrical Constraints assigned to net
prop delay: from L to S min=2655 MIL max=2660 MIL
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