Nonvolatile memory system and associated programming methods

Details Nonvolatile memory system and associated programming methods Nonvolatile memory system and associated programming methods

2007-03-30

2009-06-30

Dinh, Son (Department: 2824)

Static information storage and retrieval

Read/write circuit

Having particular data buffer or latch

C365S185030, C365S185110, C365S238500

Reexamination Certificate

active

07554859

ABSTRACT:
A nonvolatile memory system includes a host system, a memory controller, and a flash memory chip including multi-level flash memory cells. The memory controller includes a backup memory adapted to store a backup copy of previously programmed data from the multi-level flash memory cells when the multi-level flash memory cells are further programmed. Where an error or malfunction occurs during the further programming of the multi-level flash memory cells, the backup copy of the previously programmed data is used to program different multi-level flash memory cells.

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