CPC H01L 25/0657 (2013.01) [G06F 3/0604 (2013.01); G06F 3/0655 (2013.01); G06F 3/0679 (2013.01); G06F 11/1068 (2013.01); G06F 12/0802 (2013.01); G06N 3/02 (2013.01); H01L 25/50 (2013.01); G06F 2212/60 (2013.01); G06F 2212/72 (2013.01); G11C 16/0483 (2013.01); H01L 2225/06513 (2013.01); H01L 2225/06541 (2013.01)] | 37 Claims |
1. A method for refreshing a quasi-volatile memory, comprising:
dividing the quasi-volatile memory into a plurality of refresh zones;
providing a refresh table comprising an activity record for each refresh zone indicating a status regarding data in the refresh zone, the status having one of a first value and a second value; and
refreshing the data in the refresh zone only when the status has the first value.
|