Evaluation of granularity on threshold voltage control in flex power FPGA
作者： Masakazu Hioki , Takashi Kawanami , Toshiyuki Tsutsumi , Tadashi Nakagawa , Toshihiro Sekigawa
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摘要: The flex power FPGA can flexibly control speed and in a trade-off relationship by flexible assignment of proper threshold voltage generated from body-bias units to transistors. This paper evaluates static consumption an area-overhead the on various granularity FPGA. There is also between for granular voltages. Both grain size its style division have strong influence trade-off. Own evaluation results show that reduces less than 1/5 original level, while increase area overhead 40%. If 50% allowed, then reduction 1/10 or obtained
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