There is a new version of the naming convention, "IPC-7351B Naming Convention for Standard SMT Land Patterns", that lists the various BGA types. Dual pitch has Col Pitch x Row Pitch attributes Staggered pins is BGAS A "C" or "N" suffix is added for collapsing or non-collapsing balls (* jcl *) -- You can't create open hardware with closed EDA tools. [1]http://www.luciani.org
References 1. http://www.luciani.org/
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