{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9727754","patent":{"patent_number":"US-9727754","title":"Protecting chip settings using secured scan chains","assignee":null,"inventors":[],"filing_date":"2015-11-18T00:00:00.000Z","publication_date":"2017-08-08T00:00:00.000Z","cpc_codes":["G06F","G06F"],"num_claims":20,"abstract":"Some embodiments include a method for processing a scan chain in an integrated circuit, the method comprising receiving, in the integrated circuit, the scan chain, wherein the scan chain includes a secret key pattern; separating the secret key pattern from the scan chain; storing the scan chain in a first plurality of latches; storing the secret key pattern in a second plurality of latches; comparing the secret key pattern to a reference key pattern, the reference key pattern stored in a third plurality of latches; determining, based on the comparing the secret key pattern to the reference key pattern, that the secret key pattern does not match the reference key pattern; and generating a signal indicating that the secret key pattern does not match the reference key pattern."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Protecting chip settings using secured scan chains","description":"Some embodiments include a method for processing a scan chain in an integrated circuit, the method comprising receiving, in the integrated circuit, the scan chain, wherein the scan chain includes a se","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9727754","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-9727754","citation_suggestion":"Patentable. \"Protecting chip settings using secured scan chains\" (US-9727754). https://patentable.app/patents/US-9727754","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9727754","json":"https://patentable.app/api/llm-context/US-9727754","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T15:30:54.028Z"}