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SSOP, 20 Pin (http://ww1.microchip.com/downloads/en/DeviceDoc/atmel-8235-8-bit-avr-microcontroller-attiny20_datasheet.pdf#page=212), generated with kicad-footprint-generator Hirose DF12C SMD, DF12C3.0-50DS-0.5V, 50 Pins per row (http://www.molex.com/pdm_docs/sd/022035035_sd.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py 16-Lead Ultra Thin Quad Flatpack (PT) - 12x12x1 mm Body, 2.00 mm Footprint [TQFP] (see Microchip Packaging Specification 00000049BS.pdf 8-Lead Plastic WSON, 4x3mm Body, 0.5mm Pitch, https://www.st.com/resource/en/datasheet/stm32mp151a.pdf ST LFBGA-448, 18.0x18.0mm, 448 Ball, 22x22 Layout, 0.8mm Pitch, https://www.micron.com/-/media/client/global/documents/products/data-sheet/dram/ddr3/4gb_ddr3l.pdf#page=27 FBGA-96, 14.0x8.0mm, 96 Ball, 9x16 Layout, 0.8mm Pitch, https://www.analog.com/media/en/package-pcb-resources/package/pkg_pdf/ltc-legacy-bga/05081600_0_bga49.pdf https://www.analog.com/media/en/technical-documentation/product-information/assembly-considerations-for-umodule-bga-lga-package.pdf BGA 324 0.8 CS324 CSG324 BGA 324 0.8 CSGA324 Artix-7, Kintex-7 and Zynq-7000 BGA, 30x30 grid, 31x31mm package, 1mm pitch; https://www.xilinx.com/support/documentation/user_guides/ug475_7Series_Pkg_Pinout.pdf#page=303, NSMD pad definition Appendix A BGA 225 0.8 CSGA225 Spartan-7 BGA, 14x14 grid.

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