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Body, 0.65mm Pitch, S-PVSON-N8, http://www.ti.com/lit/ds/symlink/opa2333.pdf 3x3mm Body, 0.5mm Pitch, https://www.st.com/resource/en/datasheet/stm32wb55vc.pdf ST WLCSP-100, off-center ball grid, ST die ID 483, 3.73x4.15mm, 115 Ball, X-staggered 7x5 Layout, 0.4mm Pitch, https://pdfserv.maximintegrated.com/package_dwgs/21-100302.PDF, https://pdfserv.maximintegrated.com/package_dwgs/21-100302.PDF NXP VFBGA-42, 3.0x2.6mm, 42 Ball, 6x7 Layout, 0.4mm Pitch, https://www.st.com/resource/en/datasheet/stm32l4p5ve.pdf ST WLCSP-115, ST die ID 483, 3.73x4.15mm, 115 Ball, Y-staggered 11x21 Layout, 0.35mm Pitch, https://www.onsemi.com/pdf/datasheet/ncp163-d.pdf#page=23 6pin Pitch 0.4mm WLCSP WLCSP/XFBGA 8-pin package, staggered pins, http://www.adestotech.com/wp-content/uploads/DS-AT25DF041B_040.pdf WLCSP WLCSP-8 XFBGA XFBGA-8 CSP BGA Chip-Scale Glass-Top WLCSP-8, 2.284x1.551mm, 8 Ball, 2x4 Layout, 0.5mm Pitch, https://ww1.microchip.com/downloads/en/DeviceDoc/16B_WLCSP_CS_C04-06036c.pdf WLCSP-20, 4x5 raster, 1.934x2.434mm package, pitch 0.65mm VFBGA-86, 6.0x6.0mm, 86 Ball, 10x10 Layout, 0.4mm Pitch, https://pdfserv.maximintegrated.com/package_dwgs/21-100168.PDF XBGA-121, 11x11 raster, 10x10mm package, pitch 0.4mm; see section 36.2.3 of http://ww1.microchip.com/downloads/en/DeviceDoc/Atmel-42363-SAM-D11_Datasheet.pdf WLCSP-56, 7x8 raster, 3.170x3.444mm package, pitch 0.4mm; see section 6.2 of http://www.st.com/resource/en/datasheet/stm32f746zg.pdf TFBGA-100, 10x10, 9x9mm package, pitch 0.4mm; see section 7.1 of http://www.st.com/resource/en/datasheet/stm32f301r8.pdf WLCSP-49, 7x7 raster, 3.294x3.258mm package, pitch 0.4mm; see section 7.2 of http://www.st.com/resource/en/datasheet/stm32f429ng.pdf UFBGA-201, 15x15 raster, 13x13mm package, 0.8mm pitch; https://www.xilinx.com/support/documentation/user_guides/ug475_7Series_Pkg_Pinout.pdf#page=268, NSMD pad definition (http://www.ti.com/lit/ds/symlink/lmc555.pdf, http://www.ti.com/lit/an/snva009ag/snva009ag.pdf Texas Instruments (http://www.ti.com/lit/ds/symlink/tps22993.pdf QFN, 24 Pin (https://www.jedec.org/standards-documents/docs/mo-142-d variation AC), generated with kicad-footprint-generator Fuse SMD 2010 (5025 Metric), square (rectangular) end terminal, IPC_7351 nominal, (Body size from: http://www.kemet.com/Lists/ProductCatalog/Attachments/253/KEM_TC101_STD.pdf), generated with kicad-footprint-generator JST PUD series connector, 501331-0807 (http://www.molex.com/pdm_docs/sd/5013310207_sd.pdf), generated with kicad-footprint-generator ipc_gullwing_generator.py SOT, 5 Pin (https://www.jedec.org/sites/default/files/docs/MO-193D.pdf variant BA), generated with kicad-footprint-generator ipc_noLead_generator.py SOT, 3 Pin (https://www.jedec.org/sites/default/files/docs/Mo-178D.PDF inferred 3-pin variant), generated with kicad-footprint-generator Soldered wire connection, for a * * * * limitation may not impose any further restrictions on the front Don't put R8 so close to R26 -- D36/R47 too close Testing before powering up: Clock In - ~27K to U3-8? No, transistors maybe activate? - Clock In - ~27K to U3-8? No, transistors maybe activate? Outs: elseif (strpos($article['link'], 'questionablecontent') !== FALSE) { // Something Positive elseif (strpos($article['link'], 'threepanelsoul.com/2') !== FALSE) { // SatW elseif (strpos($article["link"], "berkeleymews.com/") !== FALSE ) { // 1U = 1.75" = 44.45mm // 1HP = 1/5" = 5.08mm // u[nits] # precadsr.sch BOM Various tweaks From 8f3ce8359ba460976b5ffcbe5a92590e33120bbc Mon Sep 17 00:00:00 2001 Subject: [PATCH] Update README.md * [Schematic](Docs/precadsr.pdf) * PCB layout: [front](Docs/precadsr_layout_front.pdf), [back](Docs/precadsr_layout_back.pdf) * [BOM](Docs/precadsr_bom.md) * [Build notes](Docs/build.md ``` git clone git@github.com:holmesrichards/precadsr.git New KiCad version; non Al panel Gerbers ) ) ) Final revision; added custom DRC as project file 8976a63dc06fa25beedf8d2553931872c491047e adds README.md file again 605f29538db81c6c2eb02428332e653ea5ee7e41 edits README.md file adds README.md file 4f6e9e0984 Updated LICD, alter alt-textify to handle both title and alt tags.

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