{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9721626","patent":{"patent_number":"US-9721626","title":"Built-in test circuit of semiconductor apparatus","assignee":null,"inventors":[],"filing_date":"2014-11-10T00:00:00.000Z","publication_date":"2017-08-01T00:00:00.000Z","cpc_codes":["G11C","G11C","G11C","G11C"],"num_claims":18,"abstract":"A semiconductor apparatus includes a clock buffer and a reference voltage generation unit. The clock buffer generates an internal clock signal, based on first and second clock signals, in a first operation mode, and generates the internal clock signal, based on the first clock signal and a reference voltage, when a normal operation test is performed in a second operation mode. The reference voltage generation unit generates the reference voltage when the normal operation test is performed in the second operation mode."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Built-in test circuit of semiconductor apparatus","description":"A semiconductor apparatus includes a clock buffer and a reference voltage generation unit. The clock buffer generates an internal clock signal, based on first and second clock signals, in a first oper","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9721626","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-9721626","citation_suggestion":"Patentable. \"Built-in test circuit of semiconductor apparatus\" (US-9721626). https://patentable.app/patents/US-9721626","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9721626","json":"https://patentable.app/api/llm-context/US-9721626","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T04:31:20.653Z"}