Design and Demonstration of A Compact Full Adder Using Micro-beam Resonators

Sally Ahmed, Saad Ilyas, Nizar Jaber, Xuecui Zou, Ren Li, Mohammad I. Younis, Hossein Fariborzi

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Scopus citations


In this work, we present the design, analytical and finite element simulations and experimental results of a full adder block using microelectromechanical resonators with multiple split electrodes. The device operation is based on modulating resonance characteristics by the digital DC inputs. The proposed full adder is implemented with only two devices, considerably less complex than standard CMOS designs which require 24 or more transistors. While the current device has a 0.1 kHz speed and energy/operation in pJ, we show that by careful optimization and scaling of the devices, the speed can be increased to MHz and the energy can be reduced to sub-fJ, which shows the potential of this technology for ultra-low power applications with moderate processing requirements. The device is fabricated using silicon-on-insulator wafer with conventional surface micromachining techniques. The implemented circuit is CMOS compatible which allows its monolithic integration with other CMOS-based circuits. The micro-beam resonator operates at room temperature and moderate pressure of 700 mTorr.
Original languageEnglish (US)
Title of host publication2018 IEEE 61st International Midwest Symposium on Circuits and Systems (MWSCAS)
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Number of pages4
ISBN (Print)9781538673928
StatePublished - Feb 28 2019


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