Electrical computers and digital processing systems: memory – Storage accessing and control – Specific memory composition
Reexamination Certificate
2006-09-05
2006-09-05
Thai, Tuan V. (Department: 2186)
Electrical computers and digital processing systems: memory
Storage accessing and control
Specific memory composition
C711S100000, C711S154000, C365S185290, C365S185330
Reexamination Certificate
active
07103706
ABSTRACT:
A system and methodology is provided for proper reading of multi-bit memory cells in a memory device. A first reference cell and a second reference cell is employed to determine an average dynamic reference value. The average dynamic reference value is determined by reading a programmed bit of the first reference cell and reading an unprogrammed or erased bit of a second reference cell to determine an average dynamic reference value. The average dynamic reference value can be utilized to determine whether data cells are in a programmed state or in an unprogrammed state.
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Chen Pua-Ling
Hamilton Darlene G.
Kuribara Kazuhiro
Van Buskirk Michael A.
Amin & Turocy LLP
Spansion LLC
Thai Tuan V.
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