EEVblog #1353 – WHY Are These Pins Shorted?
Eagle eyed viewers spotted a short between two pins on a TQFP chip in the previous teardown video. This isn’t a dodgy assembly issue, it’s a deliberate design short, Dave explains how and why. Solder masks and snap grids.
Forum: https://www.eevblog.com/forum/blog/eevblog-1353-why-are-these-pins-shorted/