Pseudo Dual Supply Voltage Domino Logic Design
Domino logic is a commonly used alternative to CMOS logic for designing circuits with high speed and/or low area requirements. Although it provides higher speed and lower area, domino logic has relatively higher dynamic power consumption than CMOS logic due to precharge/evaluate based operation. We propose a novel low-power domino gate design and also a methodology to use these low-power but slower gates with regular domino logic gates in combinational circuits to achieve low-power operation without changing the circuit delay. We apply our method on ISCAS'85 benchmark circuits and find that replacing the off-critical path normal domino gates with the proposed low-power gates reduces power consumption of the circuits by 20.6% on the average without affecting the circuit timing.
Keywords: DOMINO LOGIC; DUAL THRESHOLD; LOW POWER; NMOS PULL-UP TRANSISTOR
Document Type: Research Article
Publication date: 01 August 2005
- 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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