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Virtex-7 BGA, 44x44 grid, 45x45mm package, 1mm pitch; https://www.xilinx.com/support/documentation/user_guides/ug475_7Series_Pkg_Pinout.pdf#page=302, NSMD pad definition Appendix A BGA 484 0.8 SBG485 SBV485 LFCSP, exposed pad, thermal vias, http://www.ti.com/lit/ds/symlink/drv8870.pdf 20-Pin Thermally Enhanced Thin Shrink Small Outline (ST)-4.4 mm Body [DFN] (see Microchip Packaging Specification 00000049BS.pdf VQFN, 16 Pin (https://www.analog.com/media/en/technical-documentation/data-sheets/4001f.pdf), generated with kicad-footprint-generator.

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