{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8542552","patent":{"patent_number":"US-8542552","title":"DLL circuit, frequency-multiplication circuit, and semiconductor memory device","assignee":null,"inventors":[],"filing_date":"2012-03-15T00:00:00.000Z","publication_date":"2013-09-24T00:00:00.000Z","cpc_codes":["G11C"],"num_claims":20,"abstract":"According to one embodiment, there is provided a DLL circuit including a delay chain, a plurality of phase comparators, and a controller. The plurality of phase comparators receive the reference clocks individually and receive respectively the clocks from the delay elements in mutually different stages, among the delay elements of the plurality of stages. The controller simultaneously receives comparison results of the plurality of phase comparators, determines the number of stages that generate the clock of which a phase is synchronized with a phase of the reference clock from among the delay elements of the plurality of stages, and selects the number of output stages from among the delay elements of the plurality of stages based on the determined number of stages so that a delay clock having a demanded delay amount with respect to the reference clock is output."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"DLL circuit, frequency-multiplication circuit, and semiconductor memory device","description":"According to one embodiment, there is provided a DLL circuit including a delay chain, a plurality of phase comparators, and a controller. The plurality of phase comparators receive the reference clock","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8542552","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-8542552","citation_suggestion":"Patentable. \"DLL circuit, frequency-multiplication circuit, and semiconductor memory device\" (US-8542552). https://patentable.app/patents/US-8542552","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8542552","json":"https://patentable.app/api/llm-context/US-8542552","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T23:05:41.575Z"}