Flexible memristor-based LUC and its network integration for Boolean logic implementation

• Published in: IET Nanodielectrics Vol. 2; no. 2; pp. 61 - 69
• Main Authors: Dong, Zhekang, He, Yufei, Hu, Xiaofang, Qi, Donglian, Duan, Shukai
• Format: Journal Article
• Language: English
• Published: Beijing The Institution of Engineering and Technology 01.06.2019; John Wiley & Sons, Inc; Wiley
• Subjects: AND gate; Boolean; Boolean algebra; Boolean logic operations; circuit simulation; flexible electronics; flexible logic unit circuit; flexible memristor-based LUC; Logic; logic circuits; logic design; logic gates; memristive element; memristor-based logic network; Memristors; multiinput–multioutput logic operations; multiple memristor-based LUC; NAND gate; nanoelectronics; nanoscale electronic element; network integration; NOR gate; NOT gate; OR gate; Research Article; variable resistance; memristors; variable resistance; OR gate; flexible electronics; Boolean logic operations; circuit simulation; memristor-based logic network; NOT gate; Boolean algebra; multiinput–multioutput logic operations; NAND gate; flexible logic unit circuit; logic gates; memristive element; NOR gate; network integration; nanoscale electronic element; multiple memristor-based LUC; nanoelectronics; flexible memristor-based LUC; AND gate; logic circuits; logic design
• ISSN: 2514-3255; 2514-3255
• DOI: 10.1049/iet-nde.2018.0027

Memristor is a nanoscale electronic element with variable resistance that depends on the amount and direction of the charge passing through it. As a promising candidate, this memristive element opens up a new approach for the implementation of Boolean logic operations. In this study, a flexible logic unit circuit (LUC) based on a practical memristor model is proposed, which is able to perform the AND, OR, NOT, NOR, and NAND gate operations by different switch settings. Unlike existing memristor-based logic implementation, the initialisation is not necessary for the proposed method, and the total delay can be effectively reduced, especially for time-sequence inputs. Furthermore, the concept of the memristor-based logic network is developed by multiple memristor-based LUCs connected in series and parallel. The circuit simulation demonstrates that the presented logic network is capable of realising multi-input–multi-output logic operations with compact structure, high efficiency, and sufficient accuracy.