{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9680504","patent":{"patent_number":"US-9680504","title":"Controller, semiconductor memory system, data storage system and operating method thereof","assignee":null,"inventors":[],"filing_date":"2015-02-27T00:00:00.000Z","publication_date":"2017-06-13T00:00:00.000Z","cpc_codes":["G06F"],"num_claims":18,"abstract":"An operating method of a controller includes iterating a first ECC decoding on a codeword read from a semiconductor memory device according to a first read voltage a predetermined iteration number until the first ECC decoding succeeds, wherein a value of the first read voltage is updated on basis of a number of an unsatisfied syndrome check (USC); and when the first ECC decoding fails until the predetermined iteration number, performing a second ECC decoding on the codeword by generating soft decision data according to the first read voltage, a value of which corresponds to the minimum number of the USC among the updated values during the iterating of the first ECC decoding."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Controller, semiconductor memory system, data storage system and operating method thereof","description":"An operating method of a controller includes iterating a first ECC decoding on a codeword read from a semiconductor memory device according to a first read voltage a predetermined iteration number unt","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9680504","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-9680504","citation_suggestion":"Patentable. \"Controller, semiconductor memory system, data storage system and operating method thereof\" (US-9680504). https://patentable.app/patents/US-9680504","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9680504","json":"https://patentable.app/api/llm-context/US-9680504","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T06:58:16.333Z"}