Method for classifying memory cells in an integrated circuit

Static information storage and retrieval – Floating gate – Particular biasing

Reexamination Certificate

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C365S210120, C365S230060, C365S230080

Reexamination Certificate

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07864593

ABSTRACT:
A method for classifying memory cells in an integrated circuit is provided, wherein the integrated circuit has a memory cell field including a plurality of memory cells. The method includes determining, for each subset of the memory cells of a plurality of subsets of the memory cells, a threshold voltage distribution; determining whether the determined threshold voltage distributions fulfill a threshold voltage criterion; and depending on whether the determined threshold voltage distributions fulfill the threshold voltage criterion, classifying at least some of the non-selected memory cells.

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