Title:
METHOD FOR MEASURING SELF-REFRESH FREQUENCY
Document Type and Number:
WIPO Patent Application WO/2022/151674
Kind Code:
A1
Abstract:
A method for measuring a self-refresh frequency. The method comprises: writing data into at least one word line in a memory; performing a self-refresh operation on the memory; after a clock enable signal becomes a low level, setting the duration of the low level; performing a read operation on the memory at a positive jump point of the clock enable signal; acquiring a plurality of read results corresponding to the durations of a plurality of low levels; and obtaining a self-refresh frequency of the memory according to the durations of the plurality of low levels and the plurality of read results. The method is conducive to improving the convenience of measuring a self-refresh frequency.
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Inventors:
YANG BO (CN)
WANG WEI-CHOU (CN)
LIU HUANHUAN (CN)
WANG WEI-CHOU (CN)
LIU HUANHUAN (CN)
Application Number:
PCT/CN2021/104923
Publication Date:
July 21, 2022
Filing Date:
July 07, 2021
Export Citation:
Assignee:
CHANGXIN MEMORY TECH INC (CN)
International Classes:
G11C11/406
Foreign References:
| CN1612267A | 2005-05-04 | |||
| CN103035281A | 2013-04-10 | |||
| CN104167224A | 2014-11-26 | |||
| US20150043294A1 | 2015-02-12 | |||
| US20020001246A1 | 2002-01-03 |
Attorney, Agent or Firm:
BEIJING LINKAW PATENT ATTORNEY LAW FIRM (CN)
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