MEMS Logic Using Mixed-Frequency Excitation

Saad Ilyas, Nizar Jaber, Mohammad I. Younis

Research output: Contribution to journalArticlepeer-review

20 Scopus citations


We present multi-function microelectromechanical systems (MEMS) logic device that can perform the fundamental logic gate AND, OR, universal logic gates NAND, NOR, and a tristate logic gate using mixed-frequency excitation. The concept is based on exciting combination resonances due to the mixing of two or more input signals. The device vibrates at two steady states: a high state when the combination resonance is activated and a low state when no resonance is activated. These vibration states are assigned to logical value 1 or 0 to realize the logic gates. Using ac signals to drive the resonator and to execute the logic inputs unifies the input and output wave forms of the logic device, thereby opening the possibility for cascading among logic devices. We found that the energy consumption per cycle of the proposed logic resonator is higher than those of existing technologies. Hence, integration of such logic devices to build complex computational system needs to take into consideration lowering the total energy consumption. [2017-0041]
Original languageEnglish (US)
Pages (from-to)1140-1146
Number of pages7
JournalJournal of Microelectromechanical Systems
Issue number5
StatePublished - Jun 22 2017


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