Nvidia corporation (20240204785). FREQUENCY-LOCKED AND PHASE-LOCKED LOOP-BASED CLOCK GLITCH DETECTION FOR SECURITY simplified abstract
Contents
- 1 FREQUENCY-LOCKED AND PHASE-LOCKED LOOP-BASED CLOCK GLITCH DETECTION FOR SECURITY
- 1.1 Organization Name
- 1.2 Inventor(s)
- 1.3 FREQUENCY-LOCKED AND PHASE-LOCKED LOOP-BASED CLOCK GLITCH DETECTION FOR SECURITY - A simplified explanation of the abstract
- 1.4 Simplified Explanation
- 1.5 Key Features and Innovation
- 1.6 Potential Applications
- 1.7 Problems Solved
- 1.8 Benefits
- 1.9 Commercial Applications
- 1.10 Prior Art
- 1.11 Frequently Updated Research
- 1.12 Questions about Glitch Detection Devices
- 1.13 Original Abstract Submitted
FREQUENCY-LOCKED AND PHASE-LOCKED LOOP-BASED CLOCK GLITCH DETECTION FOR SECURITY
Organization Name
Inventor(s)
Sanquan Song of Los Altos CA (US)
Stephen G. Tell of Chapel Hill NC (US)
Nikola Nedovic of San Jose CA (US)
FREQUENCY-LOCKED AND PHASE-LOCKED LOOP-BASED CLOCK GLITCH DETECTION FOR SECURITY - A simplified explanation of the abstract
This abstract first appeared for US patent application 20240204785 titled 'FREQUENCY-LOCKED AND PHASE-LOCKED LOOP-BASED CLOCK GLITCH DETECTION FOR SECURITY
Simplified Explanation
The patent application describes a glitch detection device that uses multiple local clocks to oversample a system clock and detect variations in pulse width to identify glitches.
- The device includes an oscillator to generate multiple local clocks of different phases.
- A sampling circuit oversamples the system clock using the local clocks to generate multiple samples.
- A glitch detector monitors variations in pulse width by counting the samples and reports glitches when the variation exceeds a threshold value.
Key Features and Innovation
- Utilizes multiple local clocks to oversample the system clock.
- Detects variations in pulse width to identify glitches.
- Reports glitches when variations exceed a threshold value.
Potential Applications
- Electronic devices requiring precise clock synchronization.
- Systems where glitch detection is critical for performance and reliability.
Problems Solved
- Detection of glitches in system clocks.
- Improved reliability and performance of electronic devices.
Benefits
- Enhanced glitch detection capabilities.
- Increased reliability of electronic systems.
- Improved performance due to accurate clock synchronization.
Commercial Applications
Glitch Detection Device for Electronic Systems
This technology can be used in various electronic systems where glitch detection is crucial for optimal performance and reliability. Potential applications include telecommunications, data processing, and industrial automation.
Prior Art
There are existing patents related to glitch detection devices using oversampling techniques and multiple clock phases. Researchers can explore IPC code G06F1/00 for more information on similar technologies.
Frequently Updated Research
Researchers are continuously exploring new methods to enhance glitch detection in electronic systems. Stay updated on the latest advancements in oversampling techniques and clock synchronization for improved glitch detection capabilities.
Questions about Glitch Detection Devices
How does oversampling using multiple local clocks improve glitch detection accuracy?
Oversampling with multiple local clocks allows for a more detailed analysis of the system clock, increasing the chances of detecting subtle variations in pulse width that indicate glitches.
What are the key factors to consider when designing a glitch detection device for electronic systems?
Key factors include the selection of appropriate threshold values for glitch detection, the synchronization of multiple local clocks, and the implementation of efficient sampling circuits to oversample the system clock accurately.
Original Abstract Submitted
a glitch detection device includes an oscillator to generate multiple local clocks of multiple different phases and a sampling circuit to oversample, using the multiple local clocks, a system clock to generate multiple samples of the system clock. the device further includes a glitch detector to monitor a variation in pulse width of the system clock based on counting the multiple samples and to report a glitch in response to detecting a variation in the pulse width that exceeds a threshold value.
