Leakage Power Reduction through Hybrid Multi-Threshold CMOS Stack Technique
DOI:
https://doi.org/10.15662/IJEETR.2026.0802305Keywords:
Subthreshold Leakage Power, Standby Mode, Active Mode, Propagation DelayAbstract
In this paper, two hybrid digital circuit design techniques, namely, hybrid multi-threshold CMOS complete stack technique, hybrid multi-threshold CMOS partial stack technique, have been proposed to reduce the subthreshold leakage power dissipation in standby modes. Techniques available in literature are compared with our proposed hybrid circuit design techniques. Performance parameters such as subthreshold leakage power dissipation in active and standby modes, dynamic power dissipation and propagation delay, are compared using existing and proposed hybrid techniques for a some testing circuits. Reduction of subthreshold leakage power dissipation in standby mode is given more importance, in comparison with the other circuit design performance parameters. The proposed hybrid stack technique proved to perform better in terms of subthreshold leakage power dissipation in standby mode in comparison with other techniques. Simulation results using cadence virtuoso tool in 180 nm CMOS technology is provided in this paper.
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