Has anyone collected together a guide for such as these I've determined, for expanding minimized top mark to full classification
The index mark on SOIC consisting of a depression with a Napoleonic N with a broad diagonal means NEC and for C... read uPC... or no letter just 3 or 4 digit digit number, again maybe uPC prefix
SMD markings of 565A, 665A and 563D, 663D logo of a fractured italic M for Mitsumi are MM1665AH, MM1565AF, MM1563DF and MM1663DH