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In this paper, we illustrate by simulation and extend our previous work by demonstration of fabricated devices of electrostatically doped, reconfigurable planar field-effect-transistors with dual work function metal gates. The technological cornerstones for this dual-gated general purpose FET contain Schottky S/D junctions on a silicon-on-insulator substrate. The transistor type, i.e. n-type or p-type...
In this paper we propose a new front-end for resonating sensors which is based on a logic inverter working as amplifier. The front-end is compact and auto-zeroing which makes it a good candidate for integration and for low power applications. It has been simulated in AMS-350nm CMOS Technology and a prototype has been fabricated using discrete components on a PCB. The circuit was tested with a BvD...
The dynamic nature of application workloads in modern MPSoC-based embedded systems is growing. To cope with the dynamism of application workloads at run time and to improve the efficiency of the underlying system architecture, this paper presents a novel run-time resource allocation algorithm for multimedia applications with the objective of minimizing energy consumption for predefined deadlines....
Today's computing systems suffer from a memory/communication bottleneck, resulting in high energy consumption and saturated performance. This makes them inefficient in solving data-intensive applications at reasonable cost. Computation-In-Memory (CIM) architecture, based on the integration of storage and computation in the same physical location using non-volatile memristor crossbar technology, offers...
Process variation occurring during fabrication of complex VLSI devices induce uncertainties in operation parameters (e.g., supply voltage) to be applied to each device in order for it to fit within the allowed power budget and get the optimum power efficiency. Therefore, an efficient post manufacturing performance estimation mechanism is needed in order to tune operation parameters for each device...
This paper is dealing with research activities carried out in the domain of unconventional, polymorphic electronics. Main attention is focused on the logic synthesis aspects of complex polymorphic circuits. The introductory part elucidates a fundamental concept of polymorphic electronics and highlights its important properties. In addition, substantial advantages of this paradigm in comparison to...
Two different structures as charge injectors for Floating Gate sensors are tested and analysed. First of all the theoretical charge injection processes are exposed and discussed. Secondly experimental results on both structures are presented. The experimental results allow to choose one of the structures as a candidate to be used embedded with the Floating Gate sensor system.
Main goal of this paper is to propose a compact library of polymorphic gates based on suitable type of reconfigurable transistors. In fact, their exploitation brings a significant advantage for space-efficient synthesis of complex polymorphic circuits. Actual behaviour of those transistors closely depends on so called ambipolar property. That particular aspect simply allows the selection of n- or...
This work addresses the rising need for a diagnostic tool for the evaluation of the effectiveness of a drug treatment in Parkinson disease, allowing the physician to monitor of the patient gait at home and to shape the treatment on the individual peculiarity. In aim, we present a cyber-physical system for real-time processing EEG and EMG signals. The wearable and wireless system extracts the following...
Recently, Oxide-based random access memory devices (OxRAM) have shown the potential to outperform non-volatile memories due to their high scalability, high-speed, high-density, and low-energy operation. A critical requirement for using OxRAM at circuit level is a predictive model for device behavior that can be used in simulations, as well as a guide for circuit designers. The proper choice of the...
Hearing impairments are still prevalent, especially in rural areas of developing countries. Children in such areas have a high risk for hearing loss caused by malnutrition and inadequate medical facilities. In addition, many adults in urban areas are continuously exposed to high noise levels in their work environments (e.g., in factories or construction sites). However, the lack of regular screening...
The Threshold voltage variability is increasing due to the process variability and reliability issues. SRAM cell stability dependence with threshold voltage is analyzed in order to extract reliability degradation due to BTI-induced Vth drift. The several write margin definitions are selected and their feasibility to be implemented in a threshold voltage built-in sensor is analyzed. The writability...
We analyze the benefits of replacing selected MOSFET transistors by nanoelectromechanical relays within conventional CMOS six transistor SRAM cells. Specifically, we evaluate a potential implementation that uses a cantilever designed with a 65 nm standard CMOS technology. The impact on various reliability metrics like static noise margin and write noise margin are evaluated from circuit simulations...
Typical AAL solutions rely on integrating capabilities for health monitoring, fall detection, communication and social inclusion, supervised physical exercises, vocal interfaces, robotic platforms etc. Ensuring the safe function and quality of service with respect to various extra-functional requirements like timing and security of such AAL solutions is of highest importance. To facilitate analysis,...
Post-silicon validation is the last level of inspecting the silicon before it is delivered to the customer. Automotive microcontrollers use Direct Memory Access (DMA) extensively in safety critical applications. This article explains how post-silicon validation can be improved to address the needs of the growing complexity of microcontrollers with a large number of Intellectual Property (IP). With...
Single Event Upsets (SEUs) are the most frequent source of temporary malfunctions in today's ICs. The automotive standard ISO 26262 demands detection and mitigation measures that cover at least 90 to 99 percent of the safety-critical malfunctions, depending on the safety level of the IC. In SOCs, different kinds of cores require different kinds of detection and mitigation measures. In many SOCs, Register...
In Model-Driven Security (MDS) approaches, model checking is a natural way of assuring security properties. It offers a powerful complement to more traditional approaches like testing, and can reduce the overall development costs. In fact, it forces the developers to tackle security issues from the very beginning of their projects, in contrast to common practice where security is often considered...
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