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- research-articleNovember 2024
Pre-route timing prediction and optimization with graph neural network models
Integration, the VLSI Journal (INTG), Volume 99, Issue Chttps://doi.org/10.1016/j.vlsi.2024.102262AbstractIn recent years, the application of deep learning (DL) models has sparked considerable interest in timing prediction within the place-and-route (P&R) flow of IC chip design. Specifically, at the pre-route stage, an accurate prediction of post-...
Highlights- We proposed a net and arc GNN (Graph Neural Network) model that considers the relationships with neighboring nets and arcs.
- Our model takes into account the surrounding environment with precision by considering the relationships with ...
- research-articleNovember 2022
Transient analysis in doped MLGNR for subthreshold interconnects under process-induced physical and geometrical parameters
Journal of Computational Electronics (SPJCE), Volume 22, Issue 1Pages 581–595https://doi.org/10.1007/s10825-022-01967-wAbstractTransient analysis, limited by the variability of process-induced physical and geometrical parameters in the capacitively coupled Li-doped MLGNR interconnects operating at the subthreshold mode, is the subject of this paper. An analytical approach ...
- research-articleNovember 2022
A novel accurate computation method based on the FDTD algorithm for transient analysis applied to hybrid copper-carbon nanotube interconnects
Journal of Computational Electronics (SPJCE), Volume 22, Issue 1Pages 61–67https://doi.org/10.1007/s10825-022-01962-1AbstractBecause of their unique properties, different varieties of carbon nanotubes (CNTs), either pure or hybrid, have been proposed as a promising substitute for interconnects in several industrial applications. In this study, a new FDTD-based method ...
- research-articleOctober 2022
Electronic transport in doped and dielectric inserted MLGNR interconnects: Crosstalk induced delay and stability analyses at sub-threshold regime
Microelectronics Journal (MICROJ), Volume 128, Issue Chttps://doi.org/10.1016/j.mejo.2022.105524AbstractA simplified equivalent distributed temperature-dependent RLC circuit model of coupled multilayer graphene nanoribbon (MLGNR) interconnects has been discussed by considering the relaxation time induced mean free path (MFP), and its ...
- research-articleJune 2022
An innovative interconnect structure with improved Elmore delay estimation model for deep submicron technology
Analog Integrated Circuits and Signal Processing (KLU-ALOG), Volume 111, Issue 3Pages 419–439https://doi.org/10.1007/s10470-022-02012-3AbstractWith advancements in technology, size and speed have been the important facet in VLSI interconnects. The channel length of the device reduces to tens of nanometers, as the technology is transferring to the deep submicron level. This leads to the ...
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- research-articleDecember 2021
A prominent unified crosstalk model for linear and sub-threshold regions in mixed CNT bundle interconnects
Microelectronics Journal (MICROJ), Volume 118, Issue Chttps://doi.org/10.1016/j.mejo.2021.105294AbstractWith the feasibility to scale the devices and interconnects in highly sophisticated VLSI technology, the demand for high-speed and low-power e-applications have also subsequently increased stupendously. Based on the applications and ...
- short-paperSeptember 2021
Delocalizing Strain in Interconnected Joints of On-Skin Interfaces
ISWC '21: Proceedings of the 2021 ACM International Symposium on Wearable ComputersPages 91–96https://doi.org/10.1145/3460421.3478812Durable and reliable fabrication of on-skin systems remains an open research question to enable developing on-skin interfaces at scale. One of the main challenges is the complexity in achieving robust devices to connect hard goods (printed circuit ...
- research-articleMarch 2020
Temperature-dependent crosstalk between adjacent MLGNR interconnects of different dimensions and its impact on gate oxide reliability
Journal of Computational Electronics (SPJCE), Volume 19, Issue 1Pages 191–205https://doi.org/10.1007/s10825-020-01444-2AbstractA comprehensive analysis is carried out herein on the impact of the interconnect geometry with nanoscale dimensions on the crosstalk-induced gate oxide reliability in coupled multilayer graphene nanoribbon (MLGNR) interconnects. Simplified circuit ...
- research-articleJanuary 2020
Optimization of the interconnect resistance contribution for STT-MRAM technology
Microelectronics Journal (MICROJ), Volume 95, Issue Chttps://doi.org/10.1016/j.mejo.2019.104663AbstractSTT-MRAM has emerged as versatile memory technology, capable of serving a broad range of memory applications. A key figure of merit for the STT-MRAM device is the tunneling magnetoresistance ratio (TMR), which distinguishes between the ...
- articleFebruary 2019
Insertion of an Optimal Number of Repeaters in Pipelined Nano-interconnects for Transient Delay Minimization
Circuits, Systems, and Signal Processing (CSSP), Volume 38, Issue 2Pages 682–698https://doi.org/10.1007/s00034-018-0876-7A novel and highly accurate finite-difference time-domain model is developed for bundled single-walled carbon nanotube (SWCNT) interconnects by considering a fixed configuration that consists of a CMOS driver, a bundled SWCNT interconnect system, and an ...
- articleSeptember 2017
Modelling and analysis of crosstalk induced noise effects in bundle SWCNT interconnects and its impact on signal stability
Journal of Computational Electronics (SPJCE), Volume 16, Issue 3Pages 845–855https://doi.org/10.1007/s10825-017-1028-1In order to analyse crosstalk delay and stability in single wall carbon nanotube bundle (SWCNT) interconnects, the time and frequency domain response are investigated in this paper. Based on the transmission line model and by using matrix formulation, ...
- research-articleFebruary 2017
Effect of surface preparation of copper on spin-coating driven self- assembly of fullerene molecules
Microelectronic Engineering (MCEE), Volume 170, Issue CPages 8–15https://doi.org/10.1016/j.mee.2016.11.021In this work, spin coating driven self-assembly of C60 fullerenes on copper based substrates has been investigated. In particular, the substrates investigated include chemically and thermally pre- treated copper, electropolished copper and graphene ...
- articleFebruary 2017
Delay analysis of buffer inserted sub-threshold interconnects
Analog Integrated Circuits and Signal Processing (KLU-ALOG), Volume 90, Issue 2Pages 435–445https://doi.org/10.1007/s10470-016-0860-8In this paper, an analysis of interconnect delay minimization by CMOS buffer insertion in sub-threshold regime is presented. Analytical expressions are developed to calculate the total delay and optimum number of buffers required for delay minimization ...
- articleJune 2016
Thermally aware performance analysis of single-walled carbon nanotube bundle as VLSI interconnects
Journal of Computational Electronics (SPJCE), Volume 15, Issue 2Pages 407–419https://doi.org/10.1007/s10825-016-0793-6A comparative performance analysis in terms of delay, power dissipation, power delay product (PDP), and crosstalk noise between SWCNT bundle interconnects with resistance estimated using conventionally (temperature independent model), and thermally ...
- articleJune 2016
Performance analysis of multilayer graphene nanoribbon (MLGNR) interconnects
Journal of Computational Electronics (SPJCE), Volume 15, Issue 2Pages 358–366https://doi.org/10.1007/s10825-015-0786-xThis paper addresses the impact of interlayer resistance due to c-axis resistivity and contact resistance on performance in terms of delay, power dissipation and power delay product (PDP) of Multi-layer graphene nanoribbon (MLGNR) interconnect. The ...
- research-articleApril 2016
Single- and multilayer graphene wires as alternative interconnects
- Maria Politou,
- Inge Asselberghs,
- Bart Soree,
- Chang Seung Lee,
- Safak Sayan,
- Dennis Lin,
- Parham Pashaei,
- Cedric Huyghebaert,
- Praveen Raghavan,
- Iuliana Radu,
- Zsolt Tokei,
- Stefan De Gendt,
- Marc Heyns
Microelectronic Engineering (MCEE), Volume 156, Issue CPages 131–135https://doi.org/10.1016/j.mee.2016.01.002In this work, we evaluate the material properties of graphene and assess the potential application of graphene to replace copper wires in Back-End-Of-Line (BEOL) interconnects. Based on circuit and system-level simulations, high restrictions are imposed ...
- research-articleDecember 2015
Methodology to verify, debug and evaluate performances of NoC based interconnects
NoCArc '15: Proceedings of the 8th International Workshop on Network on Chip ArchitecturesPages 39–42https://doi.org/10.1145/2835512.2835521Latest developments in electronic systems lead hardware architects to completely rethink the traffic exchanges inside Systems on Chip. Constraints on more parallelism, less power, more coherency, less order while designing system fabrics and ...
- articleJuly 2015
Compact models and delay computation of sub-threshold interconnect circuits
Analog Integrated Circuits and Signal Processing (KLU-ALOG), Volume 84, Issue 1Pages 53–65https://doi.org/10.1007/s10470-015-0557-4Ultra-low power designs extensively exploit the sub-threshold region of operation of Complementary metal-oxide semiconductor (CMOS) circuits. Though sub-threshold circuit operation shows huge potential towards satisfying the ultra-low power requirement, ...
- articleMarch 2015
Compact models and computation of crosstalk for sub-threshold interconnect circuits
Analog Integrated Circuits and Signal Processing (KLU-ALOG), Volume 82, Issue 3Pages 637–652https://doi.org/10.1007/s10470-015-0497-zIn this paper, an analytical framework to model crosstalk in sub-threshold regime of buffer driven coupled interconnects has been presented. Sub-threshold current model is used to represent the transistor. Propagation delay and timing are determined for ...
- articleJanuary 2015
Dynamic Crosstalk Analysis in Coupled Interconnects for Ultra-Low Power Applications
Circuits, Systems, and Signal Processing (CSSP), Volume 34, Issue 1Pages 21–40https://doi.org/10.1007/s00034-014-9853-yUltra-low power circuit design has received a wide attention due to the fast growth and prominence of portable battery-operated devices with stringent power constraint. Though sub-threshold circuit operation shows huge potential toward satisfying the ...