Electronic data flash card with bose, ray-chaudhuri,...

Details Electronic data flash card with bose, ray-chaudhuri,... Electronic data flash card with bose, ray-chaudhuri,...

2011-06-14

2011-06-14

Rizk, Sam (Department: 2112)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

C714S782000

Reexamination Certificate

active

07962836

ABSTRACT:
A Bose, Ray-Chaudhuri, Hocquenghem (BCH) decoder is employed in non-volatile memory applications for determining the number of errors and locating the errors in a page of information. The decoder includes a syndrome calculator responsive to a sector of information. The sector includes data and overhead, with the data being organized into data sections and the overhead being organized into overhead sections. The syndrome calculator generates a syndrome for each of the data sections. A root finder is coupled to receive the calculated syndrome and to generate at least two roots. A polynomial calculator responds to the two roots and generates at least two error addresses, each identifying a location in the data wherein the error lies.

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patent: 7407393 (2008-08-01), Ni et al.
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