NMLSim: a Nanomagnetic Logic (NML) circuit designer and simulation tool

Soares, Thiago R. B. S.; Rahmeier, João G. Nizer; Lima, Vitor C. de; Lascasas, Lucas; Melo, Luiz G. C.; Neto, Omar P. Vilela

doi:10.1007/s10825-018-1215-8

Cited by 15 publications

(4 citation statements)

References 19 publications

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“…Rectangular nanomagnets with 100 Â 50 Â 10 nm 3 dimensions are considered in this paper. These are the same dimensions applied in other works (Soares et al, 2018;Csaba et al, 2013). The spacing between two ferromagnetic and anti-ferromagnetic nanomagnets is 24 nm and 10 nm, respectively, since the ferromagnetic coupling is stronger than the anti-ferromagnetic one (Csaba et al, 2013) and these values result in equilibrium between coupling energies (Soares et al, 2018).…”

Section: Proposed 2:1 and 4:1 Multiplexersmentioning

confidence: 96%

“…These are the same dimensions applied in other works (Soares et al, 2018;Csaba et al, 2013). The spacing between two ferromagnetic and anti-ferromagnetic nanomagnets is 24 nm and 10 nm, respectively, since the ferromagnetic coupling is stronger than the anti-ferromagnetic one (Csaba et al, 2013) and these values result in equilibrium between coupling energies (Soares et al, 2018). Both 2:1 and 4:1 structures have five layers with 20 nm vertical space between two adjacent layers (Santoro et al, 2018).…”

Section: Proposed 2:1 and 4:1 Multiplexersmentioning

confidence: 99%

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Novel implementation of 3D multiplexers in nano magnetic logic technology

Farzaneh

Mirzaee

Navi

2020

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Purpose Owing to recent challenges of CMOS manufacturing and power consumption in silicon technologies among alternative technologies, Nanomagnetic logic (NML) is one of the most promising technologies, so it was selected for this study. NML is non-volatile with ultra-low power dissipation that operates at room temperature. This paper aims to propose novel implementation of 2% and 4% multiplexers (MUXs) in NML technology. Design/methodology/approach The proposed multiplexers in NML technology are verified by HDL-based simulators. In addition, this study estimated area and power dissipation of the proposed design to compare and approve the promising improvements in comparison to other similar NML implementations. Findings The results show the remarkable improvements in terms of APDP term in comparison to the recent proposed MUXs in NML technology which are reported in Table 2. The proposed implementation of the MUX in NML is designed in three-dimensional layout to improve interconnection complexity which is an integration challenge. Also, by facilitating the routing signals and total wire length needed for clock signals, the negative impact of the power dissipated in clock wires is improved. Originality/value These findings would appeal to a broad audience, such as the readership of Microelectronics International Journal. The authors confirm that this work is original and has not been published elsewhere nor is it currently under consideration for publication elsewhere. All authors have approved the paper and agreed with submission to Microelectronics International Journal. The authors have read and have abided by the statement of ethical standards for manuscripts submitted to Microelectronics International Journal. The authors have no conflict of interest to declare.

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Section: Proposed 2:1 and 4:1 Multiplexersmentioning

confidence: 96%

Section: Proposed 2:1 and 4:1 Multiplexersmentioning

confidence: 99%

Novel implementation of 3D multiplexers in nano magnetic logic technology

Farzaneh

Mirzaee

Navi

2020

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“…The majority gate (MG) is a quite important logic gate in FCN technologies [12], [13]. Figure 4a presents the proposed MG standard cell.…”

Section: Logic Cellsmentioning

confidence: 99%

NMLib: A Nanomagnetic Logic Standard Cell Library

Luz

Nacif

Ferreira

et al. 2021

2021 IEEE International Symposium on Circuits and Systems (ISCAS)

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The Nanomagnetic Logic (NML) is a promising new technology that can build low-power devices at room temperature. Furthermore, this technology allows mixing logic and memory on the same device. The creation of Electronic Design Automation (EDA) tools and flows is an essential step towards developing NML for integrated designs. There is plenty of room for creating new EDA methodologies for this kind of emerging nanotechnologies since the scarce number of works in this field. Standard cells is an important step in this context since they strongly relate to the routing and placement algorithms. This work presents NMLib, an NML cell library developed for the NMLSim 2.0 simulator. In contrast to CMOS, the NML features require logic cells and interconnection cells, since all circuit is developed using the same building block. Moreover, we present a full-adder, and a ripple carry adder circuit designs using NMLib to demonstrate NMLib feasibility.

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“…Table 1 demonstrates the data fields of QCA and NML cells used in two simulation tools, i.e. QCADesigner [7] and NMLSim [8]. The static data fields are the ones composing the cell data structure itself, while the dynamic data fields are those used during the running process of the simulation tools.…”

Section: Problem Formulationmentioning

confidence: 99%

Automatic object model generation for nanoelectronics using C++ meta programming

Peng

Xiao

et al. 2019

Electron. lett.

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Since the development of nanoelectronics is at its early stage, a lot of different devices have been proposed. Accompanying the increasing research interests in nanodevices, developing effective design automation algorithms in different abstraction levels becomes an urgent need. However, the prosperity in the device aspect results a unique difficulty in the algorithm aspect, i.e. it is hard to provide a common object model, data structure used in design automation algorithms, for a specific nanodevice. To freeing algorithm researchers from developing different object models with only minor differences in different algorithms, the authors propose a method of creating object model automatically through C++ template meta programming. A concrete object model for quantum-dot cellular automata is illustrated as an example.

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NMLSim: a Nanomagnetic Logic (NML) circuit designer and simulation tool

Cited by 15 publications

References 19 publications

Novel implementation of 3D multiplexers in nano magnetic logic technology

Novel implementation of 3D multiplexers in nano magnetic logic technology

NMLib: A Nanomagnetic Logic Standard Cell Library

Automatic object model generation for nanoelectronics using C++ meta programming

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