{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11482259","patent":{"patent_number":"US-11482259","title":"Power down detection circuit and semiconductor memory device","assignee":null,"inventors":[],"filing_date":"2021-06-15T00:00:00.000Z","publication_date":"2022-10-25T00:00:00.000Z","cpc_codes":["G11C","G11C","G11C","G11C","G11C","G11C","G11C"],"num_claims":11,"abstract":"A power down detection circuit that may detect a supply voltage decrease more accurately is provided. The power down detection circuit includes a BGR circuit generating a reference voltage VREF, a resistance division circuit generating a first internal voltage VCC_DIV1 and a second internal voltage VCC_DIV2 based on a supply voltage VCC, a first comparator outputting a reset signal PDDRST when detecting VCC_DIV1<VREF, a second comparator outputting a switching signal SEL when detecting VCC_DIV2<VREF, a charging pump circuit generating a boosted voltage VXX based on the supply voltage VCC, and a switching circuit switching an operating voltage supplied to the BGR circuit to the supply voltage VCC or the boosted voltage VXX based on the switching signal SEL."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Power down detection circuit and semiconductor memory device","description":"A power down detection circuit that may detect a supply voltage decrease more accurately is provided. The power down detection circuit includes a BGR circuit generating a reference voltage VREF, a res","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11482259","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-11482259","citation_suggestion":"Patentable. \"Power down detection circuit and semiconductor memory device\" (US-11482259). https://patentable.app/patents/US-11482259","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11482259","json":"https://patentable.app/api/llm-context/US-11482259","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T06:34:21.760Z"}