Many software process assessment models have been developed based on, or inspired by, the Software Engineering Institute’s Capability Maturity Model (CMM). The outputs arising from such models can be voluminous and complex, requiring tool support to comprehend and analyse them. The paper describes some tools developed in order to visualise the results of SPICE conformant assessments. The tools,...

Recent years have seen significant research in finding closed form expressions for the delay of the RLC interconnect which improves upon the Elmore delay model. However, several of these formulae assume a step excitation. But in practice, the input waveform does have a non zero time of flight. There are few works reported so far which do consider the ramp inputs but lacks in the explicit nature...

   In this paper we propose a simulation study to carry out dynamic analysis of CNTFET-based digital circuit, introducing in the semi-empirical compact model for CNTFETs, already proposed by us, both the quantum capacitance effects and the sub-threshold currents. To verify the validity of the obtained results, a comparison with Wong model was carried out. Our mode...

In this paper, a closed form delay and power model of a CMOS inverter driving a resistive-inductive-capacitive load is presented. The model is derived from Sakurai’s alpha-power law and exhibits good accuracy. The model can be used for the design and analysis of the CMOS inverters that drive a large interconnect RLC load when considering both speed and power. Closed form expressions are also pr...

Construction industry reports by Latham [1994] and more recently Sir John Egan [1998], have highlighted the need for the construction industry to increase productivity, improve quality and reduce defects. In particular, the Egan report urged the industry to focus on construction processes as route to these improvements. However, the industry has not had a recognised framework or methodology to ...

The analysis and equivalent circuit modeling of square patch FSS adopting an efficient vector-fitting is proposed. The simulations of microstructure are performed with CST Microwave Studio on single-substrate for different physical parameters, angle of incidences and polarizations. Then circuit model is extracted and developed using vector-fitting tool and implemented in SPICE (Simulation Progr...

The device library in the standard circuit simulator (SPICE) lacks a gallium nitride based high-electron-mobility-transistor (GaN-HEMT) model, required for design and verification of power-electronic circuits. This paper shows that GaN-HEMTs can be modeled by selected equations from MOSFET LEVEL 3 model SPICE. A method is proposed extraction SPICE parameters these equations. parameter-extractio...

In deep submicron technologies, the noise introduced on signals through the crosstalk coupling is an emerging problem. This paper presents a new analytical MOS transistor model valid in all regions of operation and dedicated to crosstalk noise evaluation and review some useful methods and related work on crosstalk analysis. The same MOS transistor model can be used for the victim and aggressors...

A new charge-based current model for CMOS gates is presented in this paper. The current during a transition consists of three components : one occurs when the input changes and the others ezist only when the output changes. So, this model can generate current waveform with negative values, like SPICE. These three components are characterized b y triangular functions with four parameters which c...