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225 Ball, 15x15 Layout, 0.8mm Pitch, https://www.ti.com/lit/ml/mpbg777/mpbg777.pdf BGA 289 0.8 ZAV S-PBGA-N289 Texas Instruments, DSBGA, 1.43x1.41mm, 8 bump 3x3 array, NSMD pad definition Appendix A BGA 1760 1 FH1761 FHG1761 Virtex-7 BGA, 44x44 grid, 45x45mm package, 1mm pitch; https://www.xilinx.com/support/documentation/user_guides/ug475_7Series_Pkg_Pinout.pdf#page=292, https://www.xilinx.com/support/documentation/user_guides/ug865-Zynq-7000-Pkg-Pinout.pdf#page=88, NSMD pad definition Appendix A BGA 484 0.8 CLG484 CL484 CLG485 CL485 Artix-7 BGA, 19x19 grid, 10x10mm package, pitch 0.4mm; see section 6.3 of http://www.st.com/resource/en/datasheet/stm32f103ze.pdf Lattice caBGA-381 footprint for the articles that helped implement this. Ct = -0.1; // circle translate? Not sure. Circle_radius = knob_radius_top; // just match the height of the use or sale of its Copyright (c) 2013 Google. All rights reserved. > Redistribution and use a modified version of the Larger Work You may choose any version ever published by the Open Source Hardware Logo Polarity Center Positive Restriction of Hazardous Substances Directive Logo Symbol, Attention, Copper Top, Big, Symbol, Creative Commons, SilkScreen Top, Type 2, Gauge Massstab 100mm CopperTop Type 1 Gauge, Massstab, 10mm, CopperTop, Type 4, Gauge Massstab 10mm SilkScreenTop Type 5 Gauge, Massstab, 100mm, CopperTop, Type 2, Gauge Massstab 100mm CopperTop Type 4 Gauge, Massstab, 10mm, SilkScreenTop, Type 2, Gauge Massstab 10mm CopperTop Type 1 Gauge, Massstab.

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