Efficient FPGA implementation of bit-stream multipliers |
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Authors: | Ng CW Wong N Ng TS |
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Affiliation: | Dept. of Electr. & Electron. Eng., Univ. of Hong Kong; |
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Abstract: | A four-input adder structure for the FPGA implementation of a sigma-delta bit-stream multiplier is proposed. Conventional bit-stream multiplier implementations involve two-input adder circuits. It is shown that the four-input adder structure is more resource-efficient (over 40% hardware savings) and faster (over 20% higher clock frequency) when implemented using state-of-the-art FPGA architecture featuring six-input look-up tables |
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