Non-Binary Spin Wave Based Circuit Design

被引:1
|
作者
Mahmoud, Abdulqader Nael [1 ,2 ]
Vanderveken, Frederic [3 ]
Ciubotaru, Florin [3 ]
Adelmann, Christoph [3 ]
Hamdioui, Said [1 ]
Cotofana, Sorin [1 ]
机构
[1] Delft Univ Technol, Comp Engn Lab, NL-2628 CD Delft, Netherlands
[2] NXP Semicond, NL-6534 AE Nijmegen, Netherlands
[3] IMEC, B-3001 Leuven, Belgium
基金
欧盟地平线“2020”;
关键词
Spin-waves; spin-wave computing; non-binary computing; non-binary to binary converter; spin wave non-binary adder; energy; MEMORY; DEVICE;
D O I
10.1109/TCSI.2022.3187654
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
By their very nature, Spin Waves (SWs) excited at the same frequency but different amplitudes, propagate through waveguides and interfere with each other at the expense of ultra-low energy consumption. In addition, all (part) of the SW energy can be moved from one waveguide to another by means of coupling effects. In this paper we make use of these SW features and introduce a novel non Boolean algebra based paradigm, which enables domain conversion free ultra-low energy consumption SW based computing. Subsequently, we leverage this computing paradigm by designing a non-binary spin wave adder, which we validate by means of micro-magnetic simulation. To get more inside on the proposed adder potential we assume a 2-bit adder implementation as discussion vehicle, evaluate its area, delay, and energy consumption, and compare it with conventional SW and 7 nm CMOS counterparts. The results indicate that our proposal diminishes the energy consumption by a factor of 3.14x and 6x, when compared with the conventional SW and 7 nm CMOS functionally equivalent designs, respectively. Furthermore, the proposed non-binary adder implementation requires the least number of devices, which indicates its potential for small chip real-estate realizations.
引用
收藏
页码:3888 / 3900
页数:13
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