{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9805827","patent":{"patent_number":"US-9805827","title":"Semiconductor memory devices, memory systems including the same and methods of operating the same","assignee":null,"inventors":[],"filing_date":"2015-08-04T00:00:00.000Z","publication_date":"2017-10-31T00:00:00.000Z","cpc_codes":["G11C","G11C","G11C","G11C","G11C","G11C","G11C"],"num_claims":20,"abstract":"A semiconductor memory device includes a memory cell array and a test circuit. The test circuit reads data stream from the memory cell array, configured to, on comparing bits of each first unit in the data stream, compares corresponding bits in the first units as each second unit and outputs a fail information signal including pass/fail information on the data stream and additional information on the data stream, in a test mode of the semiconductor memory device."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Semiconductor memory devices, memory systems including the same and methods of operating the same","description":"A semiconductor memory device includes a memory cell array and a test circuit. The test circuit reads data stream from the memory cell array, configured to, on comparing bits of each first unit in the","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9805827","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-9805827","citation_suggestion":"Patentable. \"Semiconductor memory devices, memory systems including the same and methods of operating the same\" (US-9805827). https://patentable.app/patents/US-9805827","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9805827","json":"https://patentable.app/api/llm-context/US-9805827","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T14:40:57.392Z"}