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Accurate estimation of delays in Static Timing Analysis (STA) using Non Linear Delay Model (NLDM) based Look Up Table (LUT) is a major challenge in nanometer range VLSI circuits. Issues with NLDM based LUT are mostly due to the arbitrary choice of input signal transition time trin and load capacitance (Cl) and the large number of simulations to be performed for characterizing an entire standard cell...
An independent-gate four-terminal FinFET SRAM have been successfully fabricated for drastic leakage current reduction. The new SRAM is consisted of a four-terminal (4T-) FinFET which has a flexible Vth controllability. The 4T-FinFET with a TiN metal gate is fabricated by a newly developed gate separation etching process. By appropriately controlling the Vth of the 4T-FinFET, we have successfully demonstrated...
The dramatic increase in leakage current, coupled with the swell in process variability in nano-scaled CMOS technologies, has become a major issue for future IC design. Moreover, due to the spread of leakage power values, leakage variability cannot be neglected anymore. In this work an accurate analytic estimation and modeling methodology has been developed for logic gates leakage under statistical...
In this paper, we report on the possibility of using particle-based Monte Carlo (MC) techniques to incorporate all relevant quantum effects in the simulation of semiconductor nanotransistors. Starting from the conventional MC approach within the semiclassical Boltzmann approximation, we develop a multisubband description of transport to include quantization in ultrathin-body devices. This technique...
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