Memory cell programming method and semiconductor memory device

Static information storage and retrieval – Floating gate – Multiple values

Reexamination Certificate

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C365S185050, C365S185180

Reexamination Certificate

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07864571

ABSTRACT:
A memory cell programming method and related semiconductor memory device are disclosed. The method involves receiving and latching first through nth bits of write data in a corresponding plurality of first through nth latches, and programming a kth bit of write data in the memory cell, where k ranges from 2 to n, in relation to first through k−1th bits of write data previously stored in the memory cell.

REFERENCES:
patent: 7298648 (2007-11-01), Lee et al.
patent: 7457158 (2008-11-01), Lee et al.
patent: 2007/0035995 (2007-02-01), Crippa et al.
patent: 2004118940 (2004-04-01), None
patent: 2004206833 (2004-07-01), None
patent: 1020050007653 (2005-01-01), None

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