{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8508977","patent":{"patent_number":"US-8508977","title":"Semiconductor memory device","assignee":null,"inventors":[],"filing_date":"2011-03-21T00:00:00.000Z","publication_date":"2013-08-13T00:00:00.000Z","cpc_codes":["G11C","G11C","G11C","G11C","G11C","G11C","G11C","G11C","G11C","G11C","G11C"],"num_claims":16,"abstract":"According to one embodiment, a semiconductor memory device includes a first cell array includes memory cells and reference cells, a second cell array located adjacent to the first cell array in a first direction, a third cell array located adjacent to the first cell array in a second direction crossing the first direction, a fourth cell array located adjacent to the second cell array in the second direction, and a sense amplifier connected to the first to fourth cell array and configured to compare a current through a memory cell with a current through a reference cell to determine the data of the memory cell. A reference cell is selected from a cell array which is diagonally opposite to a cell array as a read target."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Semiconductor memory device","description":"According to one embodiment, a semiconductor memory device includes a first cell array includes memory cells and reference cells, a second cell array located adjacent to the first cell array in a firs","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8508977","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-8508977","citation_suggestion":"Patentable. \"Semiconductor memory device\" (US-8508977). https://patentable.app/patents/US-8508977","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8508977","json":"https://patentable.app/api/llm-context/US-8508977","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T09:42:45.186Z"}