An interconnect-free micro-electromechanical 7-bit arithmetic device for multi-operand programmable computing

Area of Science:

• Electrical Engineering
• Materials Science
• Computer Engineering

Background:

• Scaling of complementary metal-oxide-semiconductor (CMOS) technology faces challenges in computational power density and transistor interconnection.
• Limited integration density and computing power hinder continued CMOS scaling.

Purpose of the Study:

• To design a novel, hardware-efficient, interconnect-free microelectromechanical 7:3 compressor.
• To explore an alternative to traditional electronic digital computing using electromechanical systems.

Main Methods:

• Utilized three microbeam resonators, each with seven equal-weighted inputs and multiple driven frequencies.
• Configured resonators to transmit resonance frequency to binary outputs, performing summation operations.
• Displayed outputs in a compact binary format.

Main Results:

• Achieved low power consumption and excellent switching reliability.
• Demonstrated reliable operation even after 3x10^3 repeated cycles.
• Showcased enhanced computational power capacity and hardware efficiency.

Conclusions:

• The proposed microelectromechanical compressor offers a paradigm shift for circuit design.
• Paves the way for multioperand programmable computing based on electromechanical systems.
• Provides an attractive alternative to traditional electronic digital computing.