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Physically Unclonable Function (PUF) is cost effective and reliable security primitives widely used in authentication and in-place secret key generation. With growing research in the area of non-CMOS technologies for memories and circuits, it is important to understand their implications on the design of security primitives. Resistive Random Accessible Memory (RRAM) offers easy integration with CMOS...
Energy harvesting is becoming a preferred choice for future wearable embedded systems compared to batteries because of size, longevity, and maintenance convenience. However, harvested energy is intrinsically unstable. In order to overcome this drawback, non-volatile processors (NVPs) have been proposed to bridge intermittent program execution. However, the harvested power is limited even with multiple...
Network-on-chip system plays an important role to improve the performance of chip multiprocessor systems. As the complexity of the network increases, congestion problem has become the major performance bottleneck and seriously influence the performance of NoCs. Prior works have focused on designing effective routing algorithm based on collecting contention and congestion information to load balance...
A single-inductor-cascaded-stage boost regulator topology is presented that time-multiplexes a single inductor using one-nFET-two-pFET power stage and a bias-gated Pulse-Frequency Modulation controller to achieve high conversion ratio. A test-chip in 130nm CMOS demonstrates 120× conversion using a single inductor while consuming 140nA bias current.
Multi-mode systems work in configurations, but face the challenge of ensuring timing guarantees during mode changes. In a multi-mode system, a mode-change request occurs when the system wants to operate in a new mode, but is already running in one. One mode may include some tasks that are same as that of another mode. Therefore, the new mode may have tasks that are same as the old mode. Changing modes...
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