{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9734921","patent":{"patent_number":"US-9734921","title":"Memory repair using external tags","assignee":null,"inventors":[],"filing_date":"2013-10-31T00:00:00.000Z","publication_date":"2017-08-15T00:00:00.000Z","cpc_codes":["G11C","G06F","G06F","G11C","G11C"],"num_claims":20,"abstract":"A memory device (100) includes an extra column (114) of repair memory tiles. These repair memory tiles are accessed at the same time, and in the same manner as the main array of memory tiles. The output of the repair column is substituted for the output of a column of the main array (112). The main array column that is substituted is determined by tags (121) stored externally to the memory device. The external tags are queried with a partial address of the access. If the address of the access corresponds to an address in the external tags, the tag information is supplied to the memory device. The tag information determines which column in the main array is replaced by the output of the repair column. Since each column of the main array supplies one bit during the access, the repair column enables cell-by-cell replacement of main array cells."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Memory repair using external tags","description":"A memory device (100) includes an extra column (114) of repair memory tiles. These repair memory tiles are accessed at the same time, and in the same manner as the main array of memory tiles. The outp","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9734921","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-9734921","citation_suggestion":"Patentable. \"Memory repair using external tags\" (US-9734921). https://patentable.app/patents/US-9734921","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9734921","json":"https://patentable.app/api/llm-context/US-9734921","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T06:43:51.241Z"}