Method and system for refresh of memory devices

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United States of America Patent

PATENT NO 11810611
APP PUB NO 20220230676A1
SERIAL NO

17716446

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Abstract

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A memory system is provided. The memory system includes a controller configured to refresh a memory array at a first temperature before a first refresh time that is acquired from a lookup table and corresponds to a time period for stored data in the memory array being lost at the first temperature. After the controller acquires a second refresh time from the lookup table, the controller resets a refresh time period to refresh the memory array before the second refresh time. The second refresh time corresponds to a time period for stored data in the memory array being lost at a second temperature different from the first temperature. The refresh time period corresponds to a time period after refreshing the memory array.

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Patent Owner(s)

Patent OwnerAddress
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD8 LI-HSIN RD 6 HSINCHU SCIENCE PARK HSINCHU 300-78

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Noguchi, Hiroki Hsinchu, TW 138 1255
Wang, Yih Hsinchu, TW 237 699

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