Memory device resilient to cyber-attacks and malfunction

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United States of America Patent

PATENT NO 11249689
APP PUB NO 20210223995A1
SERIAL NO

17066599

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Abstract

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A non-volatile memory (NVM) integrated circuit device includes an NVM array of memory cells partitioned into a first physical region to store a first firmware stack and a second physical region to store a second firmware stack. The NVM integrated circuit device also includes a processing device that enables a host microcontroller to execute in place the first firmware stack stored within a first set of logical addresses that is mapped to the first physical region. The processing device tracks accesses, by the host microcontroller, to the first set of logical addresses. The processing device, in response to detecting one of a certain number or a certain type of the accesses by the host microcontroller, initiates a recovery operation including to remap the first set of logical addresses to the second physical region.

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Patent Owner(s)

  • CYPRESS SEMICONDUCTOR CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Avanindra, Avi Santa Clara, US 5 11
Ostrikov, Sergey Redwood City, US 8 15
Rosner, Stephan Campbell, US 50 476
Van, Antwerpen Hans Mountain View, US 27 159

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