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4.5x4.5 mm Exposed Pad [eTSSOP] (see Microchip Packaging Specification 00000049BS.pdf 80-Lead Plastic Thin Quad Flatpack (PT) - 7x7x1.0 mm Body [QFN] with thermal vias; see section 7.4 of http://www.st.com/resource/en/datasheet/stm32l152zc.pdf UFBGA 132 Pins, 0.5mm Pitch, http://www.ti.com/lit/ds/symlink/txb0104.pdf, http://www.ti.com/lit/an/snva009ag/snva009ag.pdf BGA 12 0.5 R-XBGA-N12 Texas Instruments, DSBGA, 1.36x1.86mm, 10 bump 3x4 (area) array, NSMD pad definition Appendix A Spartan-7 BGA, 18x18 grid, 15x15mm package, 0.8mm pitch; https://www.xilinx.com/support/documentation/user_guides/ug475_7Series_Pkg_Pinout.pdf#page=263, NSMD pad definition Appendix A BGA 484 0.8 SBG485 SBV485 LFCSP, exposed pad, 4x4mm body, pitch.

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