Power-Efficient Application of Sleep Transistors to Enhance the Reliability of Integrated Circuits
CMOS is furthermore the most widespread technology for digital designs as no feasible alternative is in sight to date and in the near future. The fundamental causes for this supremacy so far are the capability for miniaturization as well as the reliability and robustness of CMOS. Against
the background of nanotechnology though, reliability concerns are arising with an alarming pace. The consequence is an increasing demand for approaches to improve both yield and lifetime reliability of today's complex integrated systems. Hence, a common solution is the redundant implementation
of components. However, redundancy contradicts those other efforts in order to cope with power dissipation. Thus, the essential contribution of this work is an approach that increases the lifetime reliability of integrated circuits while delay and power penalties are kept to a minimum. Accordingly,
"Sleep Transistors" (as a common technique to reduce standby leakage) are combined with the idea of modular redundancy. Furthermore, we propose an extended flow for the quantification of reliability on transistor level. Finally, the presented simulation results evidence that the suggested
approach increases the lifetime reliability by more than a factor of two compared to initial designs.
Keywords: LOW-POWER; MODELING; REDUNDANCY; RELIABILITY; SLEEP TRANSISTORS
Document Type: Research Article
Publication date: 01 December 2011
- The electronic systems that can operate with very low power are of great technological interest. The growing research activity in the field of low power electronics requires a forum for rapid dissemination of important results: Journal of Low Power Electronics (JOLPE) is that international forum which offers scientists and engineers timely, peer-reviewed research in this field.
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