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EP 4 817 181 A1

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(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 24898500.4 (22) Date of filing: 18.11.2024

(51) International Patent Classification (IPC):  H03L 7/085(2006.01) G06F 1/04(2006.01) G05F 1/575(2006.01) G01R 19/165(2006.01) (52) Cooperative Patent Classification (CPC): G01R 19/165; G11C 5/147; G06F 1/28; H03L 7/099 (86) International application number: PCT/US2024/056336 (87) International publication number: WO 2025/117229 (05.06.2025 Gazette 2025/23)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: GE KH MA MD TN (30) Priority: 29.11.2023 US 202363604068 P (71) Applicant: Rambus Inc. San Jose, CA 95134 (US)	(72) Inventor: ZHANG, Ruibing San Jose, CA 95134 (US) (74) Representative: Eisenführ Speiser  Patentanwälte Rechtsanwälte PartGmbB Johannes-Brahms-Platz 1 20355 Hamburg 20355 Hamburg (DE)