DIFF Subgroup
G11C 16/3404 Full Title
Erasable programmable read-only memories (G11C14/00 takes precedence) > electrically programmable > Auxiliary circuits, e.g. for writing into memory > Determination of programming status, e.g. threshold voltage, overprogramming or underprogramming, retention
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.