NAND flash memory and blank page search method therefor

Static information storage and retrieval – Floating gate – Particular connection

Reexamination Certificate

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C365S185110

Reexamination Certificate

active

07085160

ABSTRACT:
A semiconductor memory device includes a memory cell array, data buffer, and column switch. The data buffer senses the potential of a bit line to determine data in a selected memory cell and hold readout data in a read. The data buffer detects both whether the whole data buffer holds “0” data and whether the whole data buffer holds “1” data. The column switch selects part of the data buffer and connects the part to a bus.

REFERENCES:
patent: 5610859 (1997-03-01), Nakamura et al.
patent: 5761122 (1998-06-01), Nakamura et al.
patent: 6282121 (2001-08-01), Cho et al.
patent: 6646930 (2003-11-01), Takeuchi et al.

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