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With the development of multiprocessor system on chips (MPSoCs), it is expected that hundreds of computing cores will be operating on a single chip in the near future. This will require high-performance on-chip networks with very low latency to provide a communication substrate for the increasing number of cores. In this paper, we consider Gaussian on-chip networks that are of significant topological...
Irregular routing algorithms, as modified if fault tolerant algorithms, can be utilized by irregular networks. These algorithms conventionally use several virtual channels (VCs) to pass faults and oversized nodes. In this paper, a new wormhole-switched routing algorithm for irregular 2-D mesh interconnection Network-on-Chip is proposed, where no VC is used for routing. We also improve message passing...
We present the aEqualized routing algorithm: a novel algorithm for the Spidergon Network on Chip. AEqualized combines the well known aFirst and aLast algorithms proposed in literature obtaining an optimized use of the channels of the network. This optimization allows to reduce the number of channels actually implemented on the chip while maintaining similar performances achieved by the two basic algorithms...
The Niagara2 CMT system-on-chip incorporates many design-for-test features to achieve high test coverage for both arrays and logic. All the arrays are tested using memory built-in-self-test. This is supplemented with scan-based testing. Logic is tested with standard ATPG for slow-speed defects and extensive use of transition test, along with logic built-in-self-test for the SPARC cores, for at-speed...
While the CMOS analog circuits can be designed with the minimum-gate-length of the fabrication process in the alpha-power law MOSFET model, the length of a MOSFET gate has been chosen to be a larger scale than the minimum-gate-length in the conventional Shockleypsilas square model. In this paper, we describe a 6-b 100 MSPS CMOS current steering digital-to-analog converter (DAC) with the alpha-power...
A special round robin (RR) algorithm has been developed to equalize nickel metal hydride (NiMH) battery packs using a new selective equalizer. This algorithm detects batteries either at a very low state of charge (SOC) or at an extremely high SOC. In this system, a set of electromechanical relays are connected in a matrix to route boost current to the weaker batteries. The relay switching is controlled...
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