US 12,443,347 B2
Data storing method, memory storage device and memory controller
Wan-Jun Hong, Anhui (CN); Jian Hu, Anhui (CN); Tsung-Lin Wu, Hsinchu (TW); Qi-Ao Zhu, Anhui (CN); and Chong Peng, Anhui (CN)
Assigned to Hefei Core Storage Electronic Limited, Anhui (CN)
Filed by Hefei Core Storage Electronic Limited, Anhui (CN)
Filed on Aug. 20, 2024, as Appl. No. 18/809,339.
Claims priority of application No. 202410101915.5 (CN), filed on Jan. 25, 2024.
Prior Publication US 2025/0244879 A1, Jul. 31, 2025
Int. Cl. G06F 3/06 (2006.01)
CPC G06F 3/0614 (2013.01) [G06F 3/0659 (2013.01); G06F 3/0679 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A data storing method for a memory storage device, wherein the memory storage device comprises a memory controller and a memory module, and the memory module is divided into a storage area and an idle area, the data storing method comprising:
obtaining a plurality of program/erase counts and a plurality of program/erase period values of a plurality of physical erasing units in the storage area;
calculating a plurality of data cold and hot degrees according to the plurality of program/erase counts and the plurality of program/erase period values;
selecting a first physical erasing unit according to the plurality of data cold and hot degrees, and selecting a second physical erasing unit according to the plurality of data cold and hot degrees; and
writing data stored in the first physical erasing unit to the second physical erasing unit.