Method for preventing read-disturb happened in non-volatile...

Details Method for preventing read-disturb happened in non-volatile... Method for preventing read-disturb happened in non-volatile...

2008-02-04

2011-11-08

Rutz, Jared (Department: 2187)

Electrical computers and digital processing systems: memory

Storage accessing and control

Specific memory composition

C365S185020

Reexamination Certificate

active

08055834

ABSTRACT:
A method for preventing read-disturb happened in non-volatile memory and a controller thereof are disclosed. The non-volatile memory includes a plurality of blocks, and the blocks are grouped into at least a data group and a spare group, each block includes a plurality of pages. The method includes recording read times of at least a first block of the blocks within the data group and then renewing the original data stored in the first block when the read times of the first block is greater than a predetermined value.

REFERENCES:
patent: 2003/0046487 (2003-03-01), Swaminathan
patent: 2008/0117663 (2008-05-01), Philipp et al.
patent: 2008/0181018 (2008-07-01), Nagadomi et al.
patent: 2008/0259708 (2008-10-01), Tsukazaki et al.
patent: 2008/0288814 (2008-11-01), Kitahara
patent: 2009/0132778 (2009-05-01), Danilak
patent: 2008181380 (2008-08-01), None
patent: 2008192266 (2008-08-01), None

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