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Security is a critical challenge for modern embedded, mobile, and IoT devices. One the one hand, these devices contain sensitive assets that must be protected from unauthorized access. On the other hand, high design complexity, aggressive time-to-market, and a complex, global supply-chain provide numerous opportunities for introduction of errors, vulnerabilities, and security backdoors that can be...
This paper presents a novel technique to reduce the power and latency in content-addressable memories (CAMs). The first technique is to discontinue the unnecessarily subsequent search-line precharge process based on pipelined matchline searching operation. Speed is improved significantly since search-line registers are comparing in parallel. Meanwhile, the power consumption is also significantly reduced...
Linear programming is required in a wide variety of application including routing, scheduling, and various optimization problems. The primal-dual interior point (PDIP) method is state-of-the-art algorithm for solving linear programs, and can be decomposed to matrix-vector multiplication and solving systems of linear equations, both of which can be conducted by the emerging memristor crossbar technique...
The CORTICO-STRIATAL-THALAMO-CORTICAL (CSTC) circuit in the brain has an important role in controlling movement and thought. As a consequence, any dysfunction in this circuit may cause movement and psychological disorders. For example, one hypothesis to explain Obsessive Compulsive Disorder (OCD) is that alteration in this circuit causes a positive feedback loop (direct pathway) to become strengthened...
With the provable asymptotically optimal property in the sense of channel capacity, polar codes have emerged as one of the potential channel code candidates for the next-generation wireless communication systems. To date, numerous works have been reported on VLSI implementation of polar decoders. However, the efficient hardware design of polar decoders that can be used in the real-time energy-constraint...
As integrated circuit technology advances, we are now facing the utilization wall of the chip, which prevents us from turning on all the cores at the same time and leads to dark silicon. In order to maximize performance without violating thermal threshold for dark silicon chips, we propose a new power budgeting and dynamic thermal management scheme. Utilizing model predictive control, the new method...
A physical operation-based drain current model is developed for novel avalanche ISFET (A-ISFET). Mobility degradation effect has been included into the model. The avalanche breakdown effects are modeled by using a previously developed impact ionization based finite multiplication breakdown model. Comparisons are made with SPICE simulation and experimental measured results, and a very good match is...
In recent studies of ultrasound imaging systems, successive approximation register (SAR) analog-to-digital converters (ADCs) are suggested as an alternative architecture for low-power ultrasound receiver integrated circuits. However, the sampling period of a high-speed SAR ADC is very short - less than a few nanoseconds. This results in the need of a very wide unity-gain bandwidth of the amplifier...
In this paper the noise behavior of a novel Avalanche Ion Sensitive Field Effect Transistor (A-ISFET) is presented. The A-ISFET is an ion sensitive field effect transistor that can inherently deliver high sensitivity through a multiplication factor, M, similar to an avalanche photodiode, where they are used when the input signal is very weak. A physical model for both intrinsic and extrinsic noise...
As seen in stream data processing, it is necessary to extract a particular data field from bulk data, where we can use a field-data extractor. Particularly, an (M,N)-field-data extractor reads out any consecutive N bytes from an M-byte register by connecting its input/output using multiplexers (MUXs). However, the number of required MUXs increases too much as the input/output byte lengths increase...
A novel Jitter Cancellation Circuit (JCC) that reduces deterministic clock jitter induced by supply noise is designed. High Speed IO interface circuits require low deterministic clock jitter in order to meet the timing budget. Supply noise is a primary contributor of deterministic jitter. As data rates are scaling to higher frequencies, the acceptable jitter due to supply noise is decreasing. For...
According to the World Health Organization's 2008 report, the top three leading causes of death worldwide are coronary heart disease, cerebrovascular diseases, and lower respiratory infections. Governments and biomedical companies are pouring millions of dollars into research and development to find solutions for these diseases, and technological platforms to support disease management. Wireless biosensors...
The last decade has seen an explosion in research efforts which attempt to miniaturize rack-mounted, neural interface electronics to a form that is easily implantable for in vivo applications. Commensurate with this trend, neural scientist and engineers are demanding higher performance electronics for neural stimulation, recording, encoding, communication and energy harvesting, all in the context...
The term “the Internet of Things” was first used in 1999 to refer to a network of objects embedded with sensors and wireless connectivity. By 2015, there were 5 billion of these connected devices. Within the next five years, it is predicted that there will be more than 25 billion connected IoT devices. This rapid market growth has been made possible by many innovations in connectivity standards, system...
Deep neural network (DNN) has emerged as a very important machine learning and pattern recognition technique in the big data era. Targeting to different types of training and inference tasks, the structure of DNN varies with flexible choices of different component layers, such as fully connection layer, convolutional layer, pooling layer and softmax layer. Deviated from other layers that only require...
The continuing progress and integration levels in silicon technologies make complete end-user systems on a single chip possible. This massive level of integration makes modern manycore chips all pervasive in domains ranging from weather forecasting, astronomical data analysis, and biological applications to consumer electronics and smart phones. Network-on-Chips (NoCs) have emerged as communication...
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