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US Patent 11784835 Detection and mitigation of unstable cells in unclonable cell array

Patent 11784835 was granted and assigned to Nvidia on October, 2023 by the United States Patent and Trademark Office.

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Contents

Is a
Patent
Patent

Patent attributes

Patent Applicant
NVIDIA
NVIDIA
Current Assignee
NVIDIA
NVIDIA
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
11784835
Patent Inventor Names
Nikola Nedovic
Sudhir Shrikantha Kudva
Carl Thomas Gray
Stephen G Tell
Date of Patent
October 10, 2023
Patent Application Number
17481154
Date Filed
September 21, 2021
Patent Citations
‌
US Patent 7719874 Systems for controlled pulse operations in non-volatile memory
‌
US Patent 7492630 Systems for reverse bias trim operations in non-volatile memory
‌
US Patent 7495947 Reverse bias trim operations in non-volatile memory
‌
US Patent 7522448 Controlled pulse operations in non-volatile memory
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US Patent 9276583 Soft dark bit masking with integrated load modulation and burn-in induced destabilization for physically unclonable function keys
‌
US Patent 9279856 Die, chip, method for driving a die or a chip and method for manufacturing a die or a chip
‌
US Patent 9355743 Memory array test logic
‌
US Patent 9369277 Encryption code generation using spin-torque NANO-oscillators
...
Patent Primary Examiner
‌
Jason Crawford
CPC Code
‌
H03K 19/17756
‌
H03K 19/17768
‌
H04L 9/0861
‌
H03K 19/17708
‌
H04L 9/3278
‌
H03K 19/173
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H04L 9/32
‌
H03K 19/17748
Patent abstract

A circuit includes a set of multiple bit generating cells. One or more adjustable characterization circuits are coupled to inputs to the bit generating cells to affect the outputs of the bit generating cells. Based on the effect of the characterization circuit(s) on the outputs of the bit generating cells, a subset less than all of the bit generating cells is selected.

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