Active attack prevention for secure integrated circuits using latchup sensitive diode circuit

US11171095B1 · kind B1 · utility

Assignee

• GLOBALFOUNDRIES U.S. Inc. · US

Inventors

• Vibhor Jain · Williston, US
• Ajay Raman · South Burlington, US
• Sebastian T. Ventrone · South Burlington, US
• John J. Ellis-Monaghan · Grand Isle, US
• Siva P. Adusumilli · South Burlington, US
• Yves T. Ngu · Butlers Corners, US

Key dates

• Filing date: Apr 22, 2020
• Grant date: Nov 9, 2021
• Expiry date: Apr 22, 2040

Classification

• Technology area (CPC H): Electricity
• CPC primary: H01L23/573
• WIPO field: Semiconductors
• WIPO sector: Electrical engineering

Abstract

The present disclosure relates to an active x-ray attack prevention structure for secure integrated circuits. In particular, the present disclosure relates to a structure including a functional circuit, and at least one latchup sensitive diode circuit configured to induce a latchup condition in the functional circuit, placed in proximity of the functional circuit.