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How To Create a Footprint (Land Pattern)
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mahadevan02 View Drop Down
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Joined: 27 Oct 2013
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    Posted: 27 Oct 2013 at 5:49am
Dear Sir/Madam
 
How do I create a land pattern footprint using a datasheet? Some doubts of Allegro tools.
 
Please any help me as I am not familiar with Allegro CAD tool land pattern using datasheet.
 
With Regards,
A. Mahadevan
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Nick B View Drop Down
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Points: 1937 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Nick B Quote  Post ReplyReply Direct Link To This Post Posted: 27 Oct 2013 at 7:38am
Here is a walk through-
 
Create a BGA in the Library Expert:
 
 
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Hiep Pham View Drop Down
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How do I create a footprint for a 32-pin socket drawing (32L-OPTP-5X5-0 5mm).

B/R,
Hiep Pham
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Tom H View Drop Down
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Points: 5751 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Tom H Quote  Post ReplyReply Direct Link To This Post Posted: 07 Nov 2013 at 6:09pm
Do you have a web-link to the physical mfr. datasheet?
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Hiep Pham View Drop Down
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No I don't have a web-link. Please help!
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Tom H View Drop Down
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Points: 5751 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Tom H Quote  Post ReplyReply Direct Link To This Post Posted: 07 Nov 2013 at 7:03pm
Do you have a mfr. datasheet or a mfr. part number? Who is the component mfr.?
 
You cannot create a footprint without component dimensions.
 
Here is what I get if I do a Google search.
 
 
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Hiep Pham View Drop Down
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Hi Tom,

Please see the attached zip file for socket drawing. Please help to show me how to create a footprint for this socket drawing.

Thanks,
Hiep
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Tom H View Drop Down
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Points: 5751 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Tom H Quote  Post ReplyReply Direct Link To This Post Posted: 08 Nov 2013 at 6:39pm
You have to create this library part in Footprint Designer. This is a QFN socket.
 
Here is the footprint dimensions. Everything you need is here to create this library part in 15 minutes.
 
 
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Hiep Pham View Drop Down
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Points: 4 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Hiep Pham Quote  Post ReplyReply Direct Link To This Post Posted: 11 Nov 2013 at 5:14pm
Hi Tom,

Where can I get footprint designer software? If I buy PCB library expert software from this website, Will I able to create this footprint from generic template?

Thanks,
Hiep
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Tom H View Drop Down
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Points: 5751 		Post Options Post Options   Thanks (1) Thanks(1)   Quote Tom H Quote  Post ReplyReply Direct Link To This Post Posted: 11 Nov 2013 at 6:41pm
Yes, if you purchase the "PCB Library Expert" you will get 4 features that the LE Lite does not have -
  1. The Librarian gives you the ability to save all of your component dimensions and part attributes in neutral FPX format for your library management.
  2. User and Default Preferences allows you to globally change all of your drafting and solder joint goal settings.
  3. Footprint Designer allows you to create non-standard package footprints with unique pad stacks and pad placement. And you can save this data in your FPX file library.
  4. Access to "Parts on Demand" (POD) which currently has over 170,000 component mfr. part numbers and component dimensions available in FPX file format. The database of components is growing fast and will eventually have millions of component mfr. part numbers.

Watch this FP Designer video for creating complex footpints, click here
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