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The quality of TRNG designs mainly depends on the grade of the noise source from which the entropy will be harvested to extract randomness. Especially for purely digital noise sources suitable for FPGA implementations the use of Ring Oscillators is suggested in many scientific publications. Standard Ring Oscillator based noise sources however have earned some criticism regarding the amount of entropy...
For the manufacturing test of ASICs, it is important to reach a high test coverage in order to get the defect level as low as possible. However, complex digital circuits are usually not fully testable. In order to address that, previous work suggested to realize the circuits by means of Binary Decisions Diagrams (BDDs). Here, each node is implemented using multiplexer gates (MUX gates) which, with...
This paper re-addresses standard-cell based SRAM design for sub-threshold operation. Rather than using flip-flop or latch gates to implement SRAM bitcells, a circuit structure that is fully based on combinational logic, OAI (Or-And-Invert) and AOI (And-Or-Invert) gates, is presented. Measurements on a 90-kb 40-nm SRAM chip show that, the OAI/AOI-based SRAM operates at a minimum access voltage of 410...
Quantum Cellular Automata now has several deduction methodologies none of which explores universal NAND/NOR based design in Boolean reduction techniques. As Boolean laws reveal the intuitive NAND and NOR based reductions, higher cell requirement for majority function can be avoided if NAND/NOR based methodology is used. This work proposes Layered T Gate (LT Gate) which works on the basis of universal...
Quantum Dot Cellular Automata (QCA) plays a pivotal role in the emerging field of Nano electronics as well as in digital finite state machine design arena. Several gates and their proposals exist in this field all of which are recognized for their own characteristics. Majority voter is one of the several schemes of QCA. In this paper, a new gate termed as T-gate is proposed which is validated by thirteen...
Chisel is a hardware construction language that supports a simplistic level of transactional programming via its Decoupled I/O primitives. In this paper we describe extensions that layer popular design paradigms on the Chisel substrate. We include RTL, SAFL-style functional hardware description, Handel-C message passing and Bluespec rules. We then briefly discuss interworking between these design...
Context-based adaptive variable length coding (CAVLC) is a new and important feature of the H.264/AVC. Based on analysis and modification of the conventional run-length coding architecture, a novel high efficiency VLSI architecture for H.264/AVC CAVLC encoding is presented in this paper. An approach called arithmetic table structure is exploited to replace look-up-table ROM for reducing hardware resource...
A scheme that exploits the broadcast nature of the wireless communication in order to achieve multicast content delivery is presented in this paper. As opposed to broadcasting, this method enables the clients to determine on-line the delivered content, and thus preserves the advantages of an individual service. On the other hand, a multicast content delivery is much more efficient than a unicast content...
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