[PCB_FORUM] Re: Modified parts in Allegro

 I've attached the ADW datasheet, it also has a "Where-Used" function, I would 
suggest you ask Cadence for a product demo to see how all the features work.

For the "SRM" (Symbol Revision Manager) this is the general idea:




The Symbol Revision
Manager Process 



 



The Symbol Revision Manager (SRM) verifies the physical
Allegro model placed in a board drawing against the revision in the reference
library.



 



Model revision management is applicable to footprint models. 



 



Here's the basic flow:



The SRM basically looks at
the rev of the footprint symbols in the reference library and compares that rev
against the rev that we store on the placed footprint in the allegro db. 



If the ref lib has a newer version, the SRM allows you to upgrade to the newer
footprint in the reference library. (This is all controlled through a SRM GUI)



If you decide to upgrade, then SRM saves the current footprint into storage in
a local directory

and then performs a "refresh symbol" to pull in the latest footprint
from the reflib.

Then it puts a property on that symbol to indicate it's current revision.



If you decide to roll-back, then SRM swaps out the updated footprint on the brd 
with the one that was put in storage.










-----Original Message-----
From: Moore, Blake <Blake.Moore@xxxxxxxxxx>
To: icu-pcb-forum@xxxxxxxxxxxxx
Sent: Wed, 20 May 2009 3:07 pm
Subject: [PCB_FORUM] Re: Modified parts in Allegro=0
A
























You
can a library report, that will tell you where the parts came from, if they
show a path, other than your designated lib path, such as another board file,
or the working directory the board file is in. Then that would alert you why
did they do that, it might be modified part.



But
I don’t know of any way to tell for sure, and or what was changed, unless the
person before you was nice enough to leave a doc, notes file.



 



 



 









From: icu-pcb-forum-bounce@xxxxxxxxxxxxx
[mailto:icu-pcb-forum-bounce@xxxxxxxxxxxxx] On Behalf Of Moore, Blake

Sent: Wednesday, May 20, 2009 5:45 PM

To: icu-pcb-forum@xxxxxxxxxxxxx

Subject: [PCB_FORUM] Re: Modified parts in Allegro









 



Can you be any more specific? How, where you open it, what menu
button, etc… is it a report you run?



 






From: icu-pcb-forum-bounce@xxxxxxxxxxxxx
[mailto:icu-pcb-forum-bounce@xxxxxxxxxxxxx] On Behalf Of rjbzxr@xxxxxxxxxxxx

Sent: Wednesday, May 20, 2009 4:20 PM

To: icu-pcb-forum@xxxxxxxxxxxxx

Subject: [PCB_FORUM] Re: Modified parts in Allegro






 






Cadence Allegro Design Workbench
supports this functionality.









 









 






-----Original Message-----

From: JCharles TEYSSIER <jeancharles.teyssier@xxxxxxx>

To: icu-pcb-forum@xxxxxxxxxxxxx

Sent: Tue, 19 May 2009 10:43 pm

Subject: [PCB_FORUM] Re: Modified parts in Allegro
=0
A




Hi
Mark, 

 

no idea about how doing that. Great problem for me to... 

Hope someone can help us here. 

 

Jean-Charles 

 

Mark Salberg a écrit : 

> Hi all, 

> Is there a preferred way to tell if you are opening a design in >
Allegro with any modifications to the JEDEC / Package symbol or pad > stacks
from the native library? 

> 

> Any script or report to compare the native library to database >
differences. 

> 

> We have tried to keep an ongoing list of any changes, but of course >
some get left in the dust. 

> 

> _Problem parts list:_(A list oa any part (schem or layout) that has >
been made to a library part. 

> _Refresh list:_ (all parts requiring refresh to see part mods) 

> _Board updates list:_ (Issues listed by board part number to que you >
of any outstanding issues on20this particular board. 

> 

> The problem is if you refresh a list or _all_, you risk removing a >
needed modification for the design. 

> Yes, I may get the pin one silkscreen legend, but just blew away the >
modified padstacks or modified silk, etc... 

> 

> Any suggestions? 

> Regards, 

> Mark 

> 

>
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