触发器
旋转扭矩传递
计算机科学
晶体管
逻辑门
自旋电子学
碳纳米管场效应晶体管
电子工程
电气工程
场效应晶体管
材料科学
工程类
电压
CMOS芯片
物理
磁场
磁化
量子力学
铁磁性
作者
Motahareh BahmanAbadi,Abdolah Amirany,Mohammad Hossein Moaiyeri,Kian Jafari
出处
期刊:Spin
[World Scientific]
日期:2023-04-26
卷期号:13 (03)
被引量:4
标识
DOI:10.1142/s2010324723500157
摘要
The exciting properties of multi-valued logic (MVL) in overcoming the limitations of binary systems have led to widespread research on this topic. Considering various types of MVL, quaternary logic is more compatible with the existing binary systems. This paper proposes a nonvolatile quaternary flip-flop (NQFF) based on the unique features of the carbon nanotube field-effect transistors (CNTFETs) and magnetic tunnel junctions (MTJs). The proposed NQFF utilizes Spin-Hall effect (SHE)-assisted spin-transfer torque (STT) MTJs to provide nonvolatility with lower write energy, and multi-Vt gate-all-around (GAA) CNTFETs offer higher performance. On the other side, due to the usage of a shadow latch and the design of the proposed circuit, the delay of MTJ switching does not affect the delay of the whole circuit. The simulation results show that the proposed NQFF offers 50% lower PDP when the system is idle for only 25% of its total operational time.
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