Sunday 16 July 2017

surface mount - THT decopling capacitor spacing from the TQFP uC's power pin


simple question - how close can the uC's power pin (TQFP pad) and a ceramic cap's PTH pin can get so the PCB fabrication process or later exploitation would not go wrong ? Some ballpark figures for common equipment available in most fabrication houses are desired. uC is going to draw current from a 3.3V rail.




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