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BackRaster, 14x14mm package, pitch 0.4mm; see section 7.5 of http://www.st.com/resource/en/datasheet/stm32l152zd.pdf WLCSP-64, 8x8 raster, 5x5mm package, pitch 0.4mm; see section 7.6 of http://www.st.com/resource/en/datasheet/stm32l031f6.pdf WLCSP-25, 5x5 raster, 2.133x2.070mm package, pitch 0.65mm WLP-4, 2x2 raster, 0.73x0.73mm package, pitch 0.4mm; see section 7.5 of http://www.st.com/resource/en/datasheet/stm32l152ze.pdf WLCSP-143, 11x13 raster, 4.521x5.547mm package, pitch 0.4mm; see section 6.3 of http://www.st.com/resource/en/datasheet/stm32f103ze.pdf WLCSP-64, 8x8 raster, 5x5mm package, pitch 0.4mm; see section 7.1 of http://www.st.com/resource/en/datasheet/stm32f401vc.pdf WLCSP-49, 7x7 raster, 3.277x3.109mm package, pitch 0.5mm; see section 6.3 of http://www.st.com/resource/en/datasheet/stm32f103ze.pdf Lattice caBGA-381 footprint for ECP5 FPGAs, based on the other leg of R21 to the entire pot. BI/TT PS series, https://www.mouser.com/datasheet/2/54/PTL-777483.pdf Would need another supplier, mouser sells only in 1000+ for these. Original README: * LEDs in many places might be fine, might introduce intermittents - Don't put R8 so close to R26 -- D36/R47 too close Testing before powering up: Clock In Normal - 1k to U2-8 (AND NOT short to U2-10 - Clock rate (B100k) (not sure yet which 2 pins LED, diameter 5.0mm z-position of LED center 3.0mm 2 pins diameter 1.8mm size 1.8x2.4mm^2 z-position of LED center 2.0mm 2 pins IR-ED, diameter 3.0mm, 2 pins, Rectangular size 5.0x2.0mm^2 z-position of LED center 2.0mm 2 pins LED, diameter 3.0mm 3 pins LED diameter 3.0mm z-position of LED center 1.6mm 2 pins LED diameter 3.0mm z-position of LED center 1.6mm, 2 pins LED, diameter 3.0mm, hole diameter 1.3mm, length 11.3mm, width 3.0mm Capacitor C, Disc series, Radial, pin pitch=15.75mm, , diameter=21mm, Vishay, IHB-2, http://www.vishay.com/docs/34015/ihb.pdf Inductor Radial series Radial pin pitch 5.00mm diameter 19mm supercapacitor Tantalum Capacitor SMD Kemet-C (6032-28 Metric), IPC_7351 nominal, (Body size source: http://www.tortai-tech.com/upload/download/2011102023233369053.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py QFN, 56 Pin (JEDEC MO-153 Var BD https://www.jedec.org/document_search?search_api_views_fulltext=MO-153), generated with kicad-footprint-generator Connector Phoenix Contact, SPT 2.5/10-H-5.0.
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