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How Secure Are Analog Circuits?
- Security concerns in analog circuits are gaining attention with the move towards multi-die assemblies and the importance of sensor data at the edge.
- Analog circuits traditionally had limited space on-chip, pushing security concerns towards digital circuits.
- Shift towards multi-dimensional SiPs has eased area restrictions for analog circuits, allowing for more freedom in development and potential for increased reuse.
- The integration of analog circuits in multi-die assemblies poses new security challenges and vulnerabilities to cyber attacks.
- Chiplet I/Os facilitate potentially vulnerable subsystem-to-subsystem communications in complex assemblies.
- Ensuring security in multi-die assemblies, particularly in the context of AI, is crucial for safeguarding against counterfeits and side-channel attacks.
- Securing analog circuits at the edge, where AI/ML expansion is sensor-driven, involves implementing cryptographic operations in sensors and ML models.
- Analog data security at the edge mirrors digital data security concerns and involves verifying source authenticity and monitoring sensors for degradation or attacks.
- The disparity between digital and analog engineering domains poses unique security challenges, especially in evolving multi-die assembly environments.
- Ensuring analog security is as robust as digital security is imperative as chiplets become more prevalent in heterogeneous systems.
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