{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11276445","patent":{"patent_number":"US-11276445","title":"Data storage device and operating method thereof","assignee":null,"inventors":[],"filing_date":"2020-07-10T00:00:00.000Z","publication_date":"2022-03-15T00:00:00.000Z","cpc_codes":["G11C","G06F","G06F","G11C","G11C","G11C","G11C"],"num_claims":17,"abstract":"A data storage device includes a nonvolatile memory device including dies including word line groups in which word lines are grouped; and a controller. The controller includes a word line health rating logic configured to determine a health rating of each word line and a health rating of each word line group based on state information on each of health rating factors associated with the word lines; a memory including a word line health rating table in which the health rating of each word line and the health rating of each word line group are stored; and a mapping logic configured to generate a management target logical super block by mapping one word line group having a lowest health rating and word line groups having a highest health rating, and generate a normal logical super block by mapping word line groups having intermediate health ratings."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Data storage device and operating method thereof","description":"A data storage device includes a nonvolatile memory device including dies including word line groups in which word lines are grouped; and a controller. The controller includes a word line health ratin","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11276445","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-11276445","citation_suggestion":"Patentable. \"Data storage device and operating method thereof\" (US-11276445). https://patentable.app/patents/US-11276445","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11276445","json":"https://patentable.app/api/llm-context/US-11276445","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T20:33:14.321Z"}