The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 13, 2026
Filed:
May. 22, 2023
Qualcomm Incorporated, San Diego, CA (US);
Subham Panda, Balasore, IN;
Muzaffaruddin Mohammed, Hyderabad, IN;
Sri Ananda Sai Jannabhatla, Hyderabad, IN;
Venkatesh Petnikota, Kurnool, IN;
Jyothi Ramidi, Hyderabad, IN;
Qualcomm Incorporated, San Diego, CA (US);
Abstract
This disclosure provides systems, methods, and devices for memory systems that support row-selective self-refresh operation while a host processor is in sleep mode. In a first aspect, a method of operating a memory system by a memory controller includes receiving, from the host device through the channel, a hash filter indicating a first subset of rows in a memory array; and refreshing, by the memory controller, a second subset of rows in the memory array based on the hash filter. The hash filter may be a Bloom filter, a Cuckoo filter, a linear probing filter, or a XOR filter. Other aspects and features are also claimed and described.
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