The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 18, 2023
Filed:
Nov. 20, 2019
Raytheon Company, Waltham, MA (US);
Nathan T. Palmer, Austin, TX (US);
Raytheon Company, Waltham, MA (US);
Abstract
An integrated circuit, comprising: a volatile memory module configured to store a cryptographic key; a capacitor array for providing power to the volatile memory module; and a power switching logic arranged to connect and disconnect the memory module from the capacitor array, the power switching logic being configured to operate in at least one of a first operating mode and a second operating mode, wherein, when the power switching logic operates in the first operating mode, the power switching logic is configured to disconnect the capacitor array from the volatile memory module in response to detecting a change of state of a break line, and, when the power switching logic operates in the second operating mode, the power switching logic is configured to disconnect the capacitor array from the volatile memory module in response to detecting that a voltage at a connection terminal of the integrated circuit exceeds a threshold.