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1.5mm soldermask opening Circular Fiducial, 0.5mm bare copper, 1mm soldermask opening Circular Fiducial, 1.5mm bare copper, 4.5mm soldermask opening (Level A Circular Fiducial, 1mm bare copper, 3mm soldermask opening (Level C Circular Fiducial, 0.75mm bare copper, 2.25mm soldermask opening Circular Fiducial, 0.75mm bare copper, 2.25mm soldermask opening (recommended 5-pin SAW filter package based on http://www.latticesemi.com/view_document?document_id=213 Lattice caBGA-756, ECP5 FPGAs, 27.0x27.0mm, 756 Ball, 32x32 Layout, 0.8mm Pitch, https://www.infineon.com/cms/en/product/packages/PG-LFBGA/PG-LFBGA-292-11/ LFBGA-100, 10x10 raster, 8x8mm package, 0.5mm pitch; https://www.xilinx.com/support/documentation/user_guides/ug475_7Series_Pkg_Pinout.pdf#page=267, NSMD pad definition Appendix A BGA 484 0.8 CLG484 CL484 CLG485 CL485 Artix-7 BGA, 26x26.

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