Allegro ECAD-MCAD Library Creator – Footprint from Template
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13. Clicking on the Footprint (2D) view shows the contact areas for each pin.
Notice how the BGA pins are already numbered as per the PDF spec sheet.
Note: The PDF spec sheet shows the bottom view of the pin array, while the
LC (2D) view is from the top side – as viewed on the PCB.
14. Use the Apply menu and create the footprint using the Training/IPC-B
(Design Technology) rule.
