Temperature-dependent crosstalk and frequency spectrum analyses in adjacent interconnects of a mixed CNT bundle

Sharma, Manvi; Kumar, Mayank; Khanna, Rajesh

doi:10.1007/s10825-019-01405-4

Cited by 4 publications

(5 citation statements)

References 32 publications

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“…Rai et al claimed that the structure with MWCNTs surrounded by SWCNTs yields better performance by considering the tunnelling and intershell coupling between adjacent shells by depicting four different structures in [10]. The same group, subsequently, showed that the structure with SWCNTs and MWCNTs possessing equal halves vertically was the best one in terms of frequency noise amplitude by delineating the same four structures in another work [11]. However, it is demonstrated in [6,9] that, by varying the relative position of MWCNTs and SWCNTs in the bundle, CNTs with spatial distribution, putting the SWCNTs entirely wrapped up by the MWCNTs in the bundle, indulges lower crosstalk delay than those with random arrangements.…”

Section: Introductionmentioning

confidence: 99%

“…To improve the crosstalk delay along with propagation delay, some works [6,[9][10][11][12] are conducted by introducing different bundle configurations and by combining both MWCNT and SWCNT in the bundle. Rai et al claimed that the structure with MWCNTs surrounded by SWCNTs yields better performance by considering the tunnelling and intershell coupling between adjacent shells by depicting four different structures in [10].…”

Section: Introductionmentioning

confidence: 99%

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A Theoretical Modeling of Adaptive Mixed CNT Bundles for High-Speed VLSI Interconnect Design

2022

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The aroused quest to reduce the delay at the interconnect level is the main urge of this paper, so as to come across a configuration of carbon nanotube (CNT) bundles, namely, squarely packed bundles of mixed CNTs. The demonstrated approach in this paper makes the mixed CNT bundle adaptable to adopt for high-speed very-large-scale integration (VLSI) interconnects with technology shrinkage. To reduce the delay of the proposed configuration of the mixed CNT bundle, the behavioral change of resistance (R), inductance (L), and capacitance (C) has been observed with respect to both the width of the bundle and the diameter of the CNTs in the bundle. Consequently, the performance of the modified bundle configuration is compared with a previously developed configuration, namely, squarely packed bundles of dimorphic MWCNTs in terms of propagation delay and crosstalk delay at local-, semiglobal-, and global-level interconnects. The proposed bundle configuration is, ultimately, enacted as the better one for 32-nm and 16-nm technology nodes, and is suitable for 7-nm nodes as well.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

A Theoretical Modeling of Adaptive Mixed CNT Bundles for High-Speed VLSI Interconnect Design

2022

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“…6,7 Extensive research on modeling of CNT based interconnects can be found in the technical reports. [8][9][10][11][12] It is noticed that the CNT based interconnects are advantageous over the Cu. Thus, utilizing the CNT based interconnects can provide high performance.…”

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confidence: 99%

Simultaneous Switching Noise Effects in Graphene-Based Power Distribution Networks

Vobulapuram¹

2023

ECS J. Solid State Sci. Technol.

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The simultaneous switching noise (SSN) effects in graphene nanoribbon field effect transistor (GNRFET) based ternary circuits are presented in this study. The performance in terms of SSN induced peak noise and propagation delay on power and ground rails are investigated in multilayer graphene nanoribbon (MLGNR) bundled power interconnects using Hewlett simulation program with integrated circuit emphasis (HSPICE) simulator. Furthermore, these investigations are compared to the copper (Cu) and multiwalled carbon nanotubes (MWCNT) based power interconnects. From the results, it is noticed that the proposed MLGNR interconnects shows performance improvements up to 74.9% and 33.8% over the Cu and MWCNT interconnects. Moreover, the SSN peak noise and delay are investigated for different interconnect lengths from 200 to 500 μm. It is observed that the SSN noise on power and ground rail is reduced and propagation delay is increased as interconnect length is increased.

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“…To improve the crosstalk delay along with propagation delay, some works [6,[9][10][11][12] 34 are conducted by introducing different bundle configurations with compositing both 35 By considering the one third of the shells of MWCNTs as metallic [18], the average number of conducting channels for a shell can be calculated using (1)…”

mentioning

confidence: 99%

“…On the other hand, in case of single wall nanotube length (l) exceeding the mean free path of electrons (λ SWCNT ), another resistance comes up along with the former one owing to scattering which can be computed from (11).…”

mentioning

confidence: 99%

A Theoretical Modeling Analysis of Adapted Composite CNT Bundle for High-Speed VLSI Interconnect

Amin¹,

Shakil²,

Ullah³

2021

Preprint

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The aroused quest to reduce the delay at interconnect level is the main urge of this paper to come across a configuration of Carbon Nanotube (CNT) bundle namely squarely packed bundle of composite CNTs. The approach, demonstrated in this paper, adapts the composite bundle to adopt for high speed Very Large Scale Integration (VLSI) interconnect with technology sizing down. To reduce the delay of the proposed configuration of composite CNT bundle, the behavioral change of Resistance (R), Inductance (L) and Capacitance (C) has been observed with respect to both width of the bundle and diameter of the CNTs in the bundle. Consequently, the performance of the modified bundle configuration is compared with previously developed configuration namely squarely packed bundle of dimorphic MWCNTs in terms of propagation delay and crosstalk delay at local, semiglobal and global level interconnect. The proposed bundle configuration is ultimately enacted as better one for 32nmand 16nmtechnology node and suitable for 7nmas well.

show abstract

Temperature-dependent crosstalk and frequency spectrum analyses in adjacent interconnects of a mixed CNT bundle

Cited by 4 publications

References 32 publications

A Theoretical Modeling of Adaptive Mixed CNT Bundles for High-Speed VLSI Interconnect Design

A Theoretical Modeling of Adaptive Mixed CNT Bundles for High-Speed VLSI Interconnect Design

Simultaneous Switching Noise Effects in Graphene-Based Power Distribution Networks

A Theoretical Modeling Analysis of Adapted Composite CNT Bundle for High-Speed VLSI Interconnect

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