{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9805788","patent":{"patent_number":"US-9805788","title":"Array power supply-based screening of static random access memory cells for bias temperature instability","assignee":null,"inventors":[],"filing_date":"2015-07-31T00:00:00.000Z","publication_date":"2017-10-31T00:00:00.000Z","cpc_codes":["G11C","G11C","G11C","G11C","G11C","G11C","G11C"],"num_claims":13,"abstract":"A method of screening complementary metal-oxide-semiconductor CMOS integrated circuits, such as integrated circuits including CMOS static random access memory (SRAM) cells, for transistors susceptible to transistor characteristic shifts over operating time. For the example of SRAM cells formed of cross-coupled CMOS inverters, separate ground voltage levels can be applied to the source nodes of the driver transistors, or separate power supply voltage levels can be applied to the source nodes of the load transistors (or both). Asymmetric bias voltages applied to the transistors in this manner will reduce the transistor drive current, and can thus mimic the effects of bias temperature instability (BTI). Cells that are vulnerable to threshold voltage shift over time can thus be identified."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Array power supply-based screening of static random access memory cells for bias temperature instability","description":"A method of screening complementary metal-oxide-semiconductor CMOS integrated circuits, such as integrated circuits including CMOS static random access memory (SRAM) cells, for transistors susceptible","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9805788","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-9805788","citation_suggestion":"Patentable. \"Array power supply-based screening of static random access memory cells for bias temperature instability\" (US-9805788). https://patentable.app/patents/US-9805788","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9805788","json":"https://patentable.app/api/llm-context/US-9805788","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T09:33:15.347Z"}