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Three-Dimensional FPGA Architectures: A Shift Paradigm for Energy-Performance Efficient DSP Implementations
 
K. Siozios, D. Soudris and G. Economakos
16th International Conference on Digital Signal Processing (DSP), pp. 1-6, July 2009, Santorini, Greece
 
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Abstract:
Modern applications exhibit increased complexity which introduces extra constraints during implementation related to delay, power consumption and silicon area. This problem is even more important when we deal with Digital System Processor (DSP) kernels, as there are demands for even higher clock frequencies and logic densities, which cannot be satisfied with existing design technologies. Three-dimensional (3D) integration is an emerging technology that promises to alleviate problems related to performance improvement, but up to now this new design approach has not been sufficiently explored. In this paper we propose a novel 3D FPGA architecture able to implement efficiently DSP applications. The proposed architecture is software-supported by a methodology targeting to explore DSP enhanced 3D FPGA devices. During our study we quantify a number of design parameters, such as the selected number of layers, the proper bonding approach, the process technology for each layer, etc. Comparison results prove the efficiency (in terms of performance and power consumption) of the new design paradigm, as compared to existing commercial devices with similar hardware resources.

Last Update: 09 October 2016