Memory array with pseudo single bit memory cell and method

Static information storage and retrieval – Floating gate – Multiple values

Reexamination Certificate

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Details

C365S185190, C365S185120, C365S185330

Reexamination Certificate

active

11171895

ABSTRACT:
In the multi level/bit per cell memory array, a flag cell indicates pseudo single bit per cell configuration for one or more cells of the memory array. The output of the cell or cells associated with the flag cell is a single bit when the flag cell is set. The cell or cells associated with the flag cell operate as multi level/bit per cell cells when the flag cell is not set. The flag cell of the memory array may also be a multi level/bit per cell cell that is read to provide a single bit output. Multiple flag cells may be provided and associated with various cells or groups of cells so that these cells or groups of cells may be operated in a user selectable pseudo single bit configuration.

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