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1 FF1157 FFG1157 FFV1157 FF1158 FFG1158 FFV1158 Virtex-7 BGA, 42x42 grid, 42.5x42.5mm package, 1mm pitch; https://www.xilinx.com/support/documentation/user_guides/ug475_7Series_Pkg_Pinout.pdf#page=305, 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 Package, Body 3.0x3.0x0.8mm, Texas Instruments DSBGA BGA YFF S-XBGA-N5 Texas Instruments, DSBGA, 3.415x3.535x0.625mm, 64 ball 8x8 area grid, NSMD, YZP0005 pad definition.

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