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FINE-GRAINED POWER GATING IN FPGA INTERCONNECTS
FINE-GRAINED POWER GATING IN FPGA INTERCONNECTS
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机译:FPGA互连中的精细功率门控
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摘要
Systems and methods for power gating in logic and/or computing circuitry in accordance with embodiments of the inventions are disclosed. In one embodiment, a multiplexer for fine-grain power gating includes a first supply voltage and a second supply voltage, a plurality of inputs, a plurality of selection inputs, a selection circuitry configured to select one of the plurality of inputs, where one of the plurality of inputs is the first supply voltage and one of the selection inputs is a power gating enable input, an output inverter stage including a PMOS transistor and an NMOS transistor, where at least one input to the inverter stage is provided to the gates of the PMOS and NMOS transistors and selection of the power gating enable signal applies the first supply voltage to the gate of the PMOS transistor and places the PMOS transistor in a cutoff mode of operation.
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