What is "soft error" susceptibility in digital circuits, and what mitigation techniques are commonly used in high-reliability designs?
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The correct answer is A) A "soft error" is a transient bit-flip in memory or logic, often caused by radiation like cosmic rays, without permanent damage; mitigations include ECC, redundant logic with voting (triple modular redundancy), and radiation-hardened cells
Correct Answer
A "soft error" is a transient bit-flip in memory or logic, often caused by radiation like cosmic rays, without permanent damage; mitigations include ECC, redundant logic with voting (triple modular redundancy), and radiation-hardened cells
As transistor sizes shrink, circuits become more susceptible to transient upsets from particle strikes; in safety-critical or space applications, techniques like ECC memory, redundant computation with majority voting (TMR), and specially designed radiation-tolerant cells help maintain reliability despite soft errors.