{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11949799","patent":{"patent_number":"US-11949799","title":"I/O circuit design for SRAM-based PUF generators","assignee":null,"inventors":[],"filing_date":"2021-04-05T00:00:00.000Z","publication_date":"2024-04-02T00:00:00.000Z","cpc_codes":["G11C","H04L","G11C","G11C","G11C","G11C","G11C","H04L","H04L","G11C","G11C","G11C","H04L"],"num_claims":20,"abstract":"Disclosed is an input/output circuit for a physical unclonable function generator circuit. In one embodiment, a physical unclonable function (PUF) generator includes: a PUF cell array comprising a plurality of bit cells configured in a plurality of columns and at least one row, and at least one input/output (I/O) circuit each coupled to at least two neighboring columns of the PUF cell array, wherein the at least one I/O circuit each comprises a sense amplifier (SA) with no cross-coupled pair of transistors, wherein the SA comprises two cross-coupled inverters with no access transistor and a SA enable transistor, and wherein the at least one I/O circuit each is configured to access and determine logical states of at least two bit cells in the at least two neighboring columns; and based on the determined logical states of the plurality of bit cells, to generate a PUF signature."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"I/O circuit design for SRAM-based PUF generators","description":"Disclosed is an input/output circuit for a physical unclonable function generator circuit. In one embodiment, a physical unclonable function (PUF) generator includes: a PUF cell array comprising a plu","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11949799","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-11949799","citation_suggestion":"Patentable. \"I/O circuit design for SRAM-based PUF generators\" (US-11949799). https://patentable.app/patents/US-11949799","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11949799","json":"https://patentable.app/api/llm-context/US-11949799","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T06:58:33.594Z"}