Method and system for obtaining a reference block for a MLC...

Details Method and system for obtaining a reference block for a MLC... Method and system for obtaining a reference block for a MLC...

2011-03-15

2011-03-15

Phung, Anh (Department: 2824)

Static information storage and retrieval

Floating gate

Multiple values

C365S185110

Reexamination Certificate

active

07907445

ABSTRACT:
A method and system for obtaining a reference block on which reference voltages may be found for a MLC flash memory are disclosed. A first block and a second block are provided in the flash memory. A memory controller alternatively controls one of the first and the second blocks to act as the reference block and the other one as a cycle block in a respective period, during which the reference block stays idle and the cycle block is subjected to program/erase cycles.

REFERENCES:
patent: 7386655 (2008-06-01), Gorobets et al.
patent: 7564718 (2009-07-01), Seidel et al.
patent: 2008/0037328 (2008-02-01), Toda
patent: 2008/0263266 (2008-10-01), Sharon et al.
patent: WO 2008/111058 (2008-09-01), None

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