[PCB_FORUM] Re: area constraints
- From: "Musetti, Carl" <cmusetti@xxxxxxxxxxxxxxxx>
- To: <icu-pcb-forum@xxxxxxxxxxxxx>
- Date: Mon, 16 May 2005 09:41:55 -0400
There are 2 issues I have with them and they are major deficiencies is that
they don't work with Specctra. So I just delete them before I go to route.
Unfortunately though this cause problem with DRC that have to get fixed after
route, but it is better than leaving them in because there is a performance hit
on spectra and it just plain screws up the route to much with them in. Cadence
also screwed up the diff pair implementation of them in 15.2. You will notice
on your constraint form that it clearly states area constraints are not
supported with diff pairs. I can understand how that got by with new diff pair
implementation, and I can deal with it as I like the new diff pair features,
but I can't under stand how they have completely decided to ignore integrating
the are constraints into Specctra. I mean come on its been what 10 years now
since they purchased the CCT router.
My 2 cents
-----Original Message-----
From: chris.ball@xxxxxxxxx [mailto:chris.ball@xxxxxxxxx]
Sent: Monday, May 16, 2005 9:26 AM
To: icu-pcb-forum@xxxxxxxxxxxxx
Subject: [PCB_FORUM] Re: area constraints
It's not available with the basic 'Studio' tool... is with the
'Performance' option and above.
I upgraded to Performance mainly for this feature and the other constraint
extras. No regrets. Works as advertised.
-Chris
Kevin McCowan
<kmccowan@xxxxxxxxxxxxxx> To:
icu-pcb-forum@xxxxxxxxxxxxx
Sent by: cc:
icu-pcb-forum-bounce@freel Subject:
[PCB_FORUM] Re: area constraints
ists.org
05/16/2005 09:19 AM
Please respond to
icu-pcb-forum
Works great. What upgrades do you need for it?
Isn't it just there? Or do I have some special
higher powered version. I must admit that I don't
know what features are available with what, um,
versions. Area constraints make bga and other
real tight scenarios much easier to accomplish.
Kevin McCowan
Sr. PCB Designer
TSI Telsys
westfeldt wrote:
> Would like feedback on how well this function works. I'm considering an
> upgrade.
>
> Patrick Westfeldt, Jr.
> North Boulder Circuit Design
> westfeldt_nbcd@xxxxxxxxx
> 720-406-0887
> c 720-272-5822
>
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