[PCB_FORUM] Re: Constraint Region in 16.01
- From: "Maqbool, Mashak (GE Infra, Energy)" <mashak.maqbool@xxxxxx>
- To: <icu-pcb-forum@xxxxxxxxxxxxx>
- Date: Thu, 21 May 2009 11:01:17 +0530
Check weather the nets ( PWR & GND ) are in the net class PWR_GND . I
mean that the nets should be a member of the Net class then this will
work.
________________________________
From: icu-pcb-forum-bounce@xxxxxxxxxxxxx
[mailto:icu-pcb-forum-bounce@xxxxxxxxxxxxx] On Behalf Of Joe.witten
Sent: Thursday, May 21, 2009 7:34 AM
To: icu-pcb-forum@xxxxxxxxxxxxx
Subject: [PCB_FORUM] Re: Constraint Region in 16.01
I've got the shape assigned and works as far as getting the 4.75mil
traces to route at 4mils. But this is making the PWR_GND route at 4mils
also. That's why I thought by adding the Region-Class PWR_GND and
assigning the referenced Cset of PWR_GND I'd get a 20mil trace.
This is what the Display constraints window is showing:
-----Original Message-----
From: icu-pcb-forum-bounce@xxxxxxxxxxxxx
[mailto:icu-pcb-forum-bounce@xxxxxxxxxxxxx] On Behalf Of Ed Hickey
Sent: Wednesday, May 20, 2009 4:01 PM
To: icu-pcb-forum@xxxxxxxxxxxxx
Subject: [PCB_FORUM] Re: Constraint Region in 16.01
Is the Region shape assigned to the Region Constraint Object?
In the PCB Editor, select the Region shape with the shape select
command then check the options panel field "Assign to Region" for the
Region constraint object.
One other tip - use the Display - Constraint command to
determine how Allegro resolves physical and spacing constraints
1 pick on the cline for physical info; window around 2 clines
for spacing
________________________________
From: icu-pcb-forum-bounce@xxxxxxxxxxxxx
[mailto:icu-pcb-forum-bounce@xxxxxxxxxxxxx] On Behalf Of Joe.witten
Sent: Wednesday, May 20, 2009 12:57 PM
To: icu-pcb-forum@xxxxxxxxxxxxx
Subject: [PCB_FORUM] Constraint Region in 16.01
I am trying to set a physical rule that allows a 4mil
trace in a BGA region, but still forces a 20mil trace on all power nets.
I've got physical constraints set up for BGA=4mils and PWR_GND=20mils.
This still wants to route at mils. What am I doing wrong?
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