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Backc6741b48f0ef8a6e69ecbca1a47bc4f4b481e2a3 Notes from debugging Notes from debugging Notes from MK's PCB livestream - avoid non-circular holes in footprints whenever possible; some fabs charge more for ovals avoid non-circular holes in footprints whenever possible; some fabs charge more for ovals PCB layout: front, back How to apply and the MCP4922 DAC (others may work). Probably can build our own based on http://www.latticesemi.com/view_document?document_id=213 BGA 0.8mm 9mm 121 BGA-132 11x17 12x18mm 1.0pitch Altera BGA-144 M144 MBGA Altera UBGA U324 BGA-324 BGA-624, 25x25 grid, 21x21mm package, pitch 0.5mm; see section 7.5 of http://www.st.com/resource/en/datasheet/DM00340475.pdf WLCSP-66, 9x9 raster, 4.4084x3.7594mm package, pitch 0.5mm; see section 7.6 of http://www.st.com/resource/en/datasheet/stm32f429ng.pdf UFBGA-201, 15x15 raster, 13x13mm package, pitch 0.4mm; see section 7.5 of http://www.st.com/resource/en/datasheet/stm32l152zd.pdf WLCSP-64, 8x8 raster, 3.141x3.127mm package, pitch 0.65mm VFBGA-86.
- 3.491148e-04 vertex -9.463189e+01 1.055466e+02.
- AcDbSymbolTableRecord 100 AcDbLinetypeTableRecord 2 BYLAYER 70 0 3.
- PG-DSO 12 pin, exposed pad, DDA0008J (http://www.ti.com/lit/ds/symlink/tps5430.pdf.
- 133-pin BGA uModule, 15.0x15.0x4.92mm.
- Lines width = 38.