MultiSim Database Structure

Hi there,
during working with MultiSim for a few days. I found out (and the support says the same), that MultiSim does not convert the Pin-Nimbers from UltiCAP Libs to the correspondig footprint. Even not if you tell MultiSim wich footprint.
So in effect a complex component with lets say 300 or more Pins like a BGA could not be imported without manual assigning the logcal Pins to the Pins of the footprint.
This is realy bad with huge UltiCAP Userlibs.
I am searching for a workaorund.
Does any body no the structure (binary) of the UltiCAP and the MultiSIM Database files. If i had this Information i would try to write a small tool to convert the libs automatically.
It is not satisfying that NI has no Solution to that Problem.
For me it seems that they do not care what their Customers have done before using MultiSim. But i think there are a lot of engineers who where using (and are still using MultiCAP) and they all do not want to throw their own libs in the trash. Imagine how many time you spend on your own UserLib (which is aproved, tested and fits exact to your
design-style).
We spend a lot of money in the new software and of course in our Companys Libs.
Unbelievable that there is no easy way to import the UltiCAP libs.
Any comment, any information is very wellcome.
Best Regards
Ralf

Hi Lacy,
thank you for your reply. I started thingking the Forum is dead..
Well i am a newbie to this forum but using Ultiboard from the early beginning (when they started in 1992 in the netherlands).
So your hint was the first thing i tried my self 3 days agoo when installed the new software.
But any way thank you for the reply.
It is clear to me now - and ni's support says the same. MultiSim is not able to convert the given Pin-numbering from an UltiCap Librarys Component.
If you place the Components to a sheet in UltiCap and open this sheet with MultiSim you got just "pictures" with no logical meaning.
And even this "pictures" are not OK. E.g. the positions of the Pin-discriptors are shifted or not viewable.
You can edit this "component" with MS's Component Editor and repair all the shiftings and Signalnames that are unvisible. If you safe it - this Component looks fine in MS.
If you then safe it to yout Userdatabase in MS and place it from there the component has the same optical bugs again.
But the main problem is:
Even if you select the right Ultiboard footprint (that one the Component has in the old UltiCap Library) the Pins a not automatically assigned to the rigth footprint Pins.
E.G. on the AT-Mega 16-16AI (this a processor in 44-Pin QFP Housing) VCC appears correctly on footprint Pin Number 5, 17 and 38.
After the described procedure (transfer to the library, choose the right footprint, and place it again) the numbers vor VCC are: 39, 40 and 41...
The comment from NI: You have to tell MS the Pin-Numbers..
We have CPU in BGA with up to 385Pins. You can imagine that i am not keen on building up my whole lib per hand again. This will take aprox. 2 Weeks or more.
The thing is: i - and as far as i can see some other users too (just look in this forum) got the feeling that they do not realy care about the "old" power users.
We have done 40 Designs a year. Non of them ever simulated. We where interessted in a good running easy (means quick and intuitiv) to use Schematic Capture and Layout Programm as well.
As far as i can see Ultiboard is remaining good - with tendence to get better. But i have a DOS-Version that can automaticaly reroute Components that you have moved!
Non of the Windowsversions could this ever after.
It was sad for us when some years agoo EWB bougth Ultimate Technologie (from the Netherlands). EWB was allways seen as a toy for students and hobbysts.
Then they kicked UltiCAP. That was an Error. This Programm is one the (seldom seen) stable, intuitiv good running tools. Exactly what the Designer needs.
I wish they would make the source free available.
I personnaly do a lot of mixed signal design (for over 15 years now). I "simulate" in my brain not in the computer. And on the other hand: What is to simulate in your designs when you are expierienced? Try to simultate a typical design with 3 or more Processors and some analog circuits..
OK. Enough..
I just thought may be i could find some "veterans) from the UltiCap Times to exchange Libs or build a automatic Converter together.. Something like this.
Best Regards and gretings to you lacy.
Ralf

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| applications        |
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| app_mail_types      |>---------------| mail types          |
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