发明名称 REFRESH METHOD OF A FLASH MEMORY
摘要 A flash memory device includes a flash memory that stores many physical data blocks, a refresh management table that stores indications of the number of times each individual physical data block has been read, and a controller responsive to read and erase control signals from a source external to the flash memory device, and to the stored indications of the refresh management table for controlling reading, erasing and refreshing of the individual physical data blocks. In response to the number of times each individual physical data block has been read being equal to or exceeding a limit value, the controller refreshes the individual physical data block associated with the indication equaling or exceeding the limit value.
申请公布号 US2009172267(A1) 申请公布日期 2009.07.02
申请号 US20080343749 申请日期 2008.12.24
申请人 HAGIWARA SYS-COM CO., LTD. 发明人 ORIBE HIROMICHI;ORIHASHI TERUKI
分类号 G06F12/02;G11C11/34 主分类号 G06F12/02
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