System and method for pre-soft-decoding tracking for NAND flash memories

A flash memory system may include a flash memory and a circuit for performing operations on the flash memory. The circuit may be configured to obtain a first soft read sample by performing a first read operation on a location of the flash memory with a first reference voltage. The circuit may be con...

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1. Verfasser:	Weingarten, Hanan
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING INFORMATION STORAGE PHYSICS STATIC STORES
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creator	Weingarten, Hanan
description	A flash memory system may include a flash memory and a circuit for performing operations on the flash memory. The circuit may be configured to obtain a first soft read sample by performing a first read operation on a location of the flash memory with a first reference voltage. The circuit may be configured to determine a second reference voltage based on the first soft read sample. The circuit may be configured to obtain a second soft read sample by performing a second read operation on the location of the flash memory with the second reference voltage. The circuit may be configured to generate soft information based on the first and second soft read samples. The circuit may be configured to decode a result of a third read operation on the location of the flash memory based on the soft information.
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subjects	CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING INFORMATION STORAGE PHYSICS STATIC STORES
title	System and method for pre-soft-decoding tracking for NAND flash memories
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