Memory access module for performing sensing operations on storage cells of a storage device to obtain soft information and executing a program mode to control access to the storage device
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United States of America Patent
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Jan 2, 2018
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app pub date -
Feb 7, 2017
filing date -
Apr 19, 2010
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Abstract
A memory access module for performing memory access management of a storage device including a plurality of storage cells includes: sensing means for performing a plurality of sensing operations respectively corresponding to a plurality of different sensing voltages in order to generate a first digital value and a second digital value of a storage cell; processing means for using the first digital value and the second digital value to obtain soft information of a same bit stored in the storage cell; decoding means for using the soft information to perform soft decoding; and controlling means for accessing the storage device. The controlling means includes: storage means for storing a program code; and processing means for executing a program code to control access to the storage device and manage the plurality of storage cells.
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