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.

Date of Patent:
Dec. 09, 2025

Filed:

Dec. 11, 2023
Applicant:

Nxp B.v., Eindhoven, NL;

Inventors:

Prokash Ghosh, Mogra, IN;

Jyotirmoy Ghosh, Kolkata, IN;

Glenn Charles Abeln, Buda, TX (US);

Dwarka Prasad, Noida, IN;

Rajat Kohli, Bangalore, IN;

Jainendra Singh, Bangalore, IN;

Jwalant Kumar Mishra, Bangalore, IN;

Assignee:

NXP B.V., , NL;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 11/4078 (2006.01); G11C 11/4074 (2006.01); G11C 11/4076 (2006.01);
U.S. Cl.
CPC ...
G11C 11/4078 (2013.01); G11C 11/4074 (2013.01); G11C 11/4076 (2013.01);
Abstract

A memory power control unit, MPCU, is provided for preventing unauthorised access to data stored in a volatile memory, the MPCU comprising a power controller comprising an input configured to receive a signal from a tamper detection circuit, a first supply input configured 5 to receive a first supply voltage, a first reference input configured to receive a first reference voltage, a supply output configured to output a supply voltage to the volatile memory, a reference output configured to output a reference voltage to the volatile memory, wherein, in response to receipt of a signal at the input indicative of an attempt to tamper with the volatile memory, the power controller is configured to output a reduced supply voltage via the supply 10 output for a first predetermined time period, wherein the reduced supply voltage is less than the first supply voltage.


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