{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11942138","patent":{"patent_number":"US-11942138","title":"Memory system including semiconductor memory device and operation method thereof","assignee":null,"inventors":[],"filing_date":"2022-04-15T00:00:00.000Z","publication_date":"2024-03-26T00:00:00.000Z","cpc_codes":["G11C","G11C","G11C","G11C","G11C","G11C"],"num_claims":19,"abstract":"A memory system includes: a memory device suitable for providing row-hammer data to set refresh rates for adjacent word lines of a target word line, and performing a target refresh operation on one or more word lines corresponding to a first row-hammer address according to a first target refresh command; and a memory controller suitable for generating a plurality of sampling addresses by sampling an active address, generating a plurality of counting values by comparing the sampling addresses with the active address, calculating a plurality of adjacent addresses corresponding to the sampling addresses based on the counting values and the row-hammer data, and providing the adjacent addresses as the first row-hammer address with the first target refresh command."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Memory system including semiconductor memory device and operation method thereof","description":"A memory system includes: a memory device suitable for providing row-hammer data to set refresh rates for adjacent word lines of a target word line, and performing a target refresh operation on one or","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11942138","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-11942138","citation_suggestion":"Patentable. \"Memory system including semiconductor memory device and operation method thereof\" (US-11942138). https://patentable.app/patents/US-11942138","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11942138","json":"https://patentable.app/api/llm-context/US-11942138","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T14:43:04.412Z"}