I am trying to find a datasheet for the old Motorola MC6845. We need to make a few circuit assemblies to support some obsolete video cards, and this part is obtainable but obsolete. I think that Hitachi, Fairchild, Motorola, and UMC all made this part.
Failure mechanisms of ceramic chip capacitors based on manufacturing defects include voids in the dielectric, misalignment of the electrodes and dielectric, among other things. You can eliminate a lot of manufacturing defects by applying 2.5X the rated voltage at 125 deg. C for a few hours, as...
