Methodology and apparatus for reduction of soft errors in logic circuits

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Ranganathan, Nagarajan; Bhattacharya, Koustav
patent description
The present invention includes a circuit-level system and method for preventing the propagation of soft errors in logic cells. A radiation jammer circuit in accordance with the present invention, including an RC differentiator and a depletion mode MOS circuit, when inserted at the output of a logic cell, significantly reduces the propagation of transient glitches. The radiation jammer circuit is a novel transistor-level optimization technique, which has been used to reduce soft errors in a logic circuit. A method to insert radiation jammer cells on selective nodes in a logic circuit for low overheads in terms of delay, power, and area is also introduced.