Static information storage and retrieval – Floating gate – Particular biasing
Reexamination Certificate
2011-01-04
2011-01-04
Luu, Pho M (Department: 2824)
Static information storage and retrieval
Floating gate
Particular biasing
C365S210120, C365S230060, C365S230080
Reexamination Certificate
active
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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De Ambroggi Luca
Petter Robert
Richter Detlev
Seidel Konrad
Taeuber Andreas
Luu Pho M
Qimonda AG
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