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FPGA power reduction using configurable dual-Vdd
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Source Annual ACM IEEE Design Automation Conference archive
Proceedings of the 41st annual Design Automation Conference table of contents
San Diego, CA, USA
SESSION: FPGA-based systems table of contents
Pages: 735 - 740  
Year of Publication: 2004
ISBN:1-58113-828-8
Authors
Fei Li  University of California, Los Angeles, CA
Yan Lin  University of California, Los Angeles, CA
Lei He  University of California, Los Angeles, CA
Sponsors
ACM: Association for Computing Machinery
SIGDA: ACM Special Interest Group on Design Automation
Publisher
ACM  New York, NY, USA
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Downloads (6 Weeks): 9,   Downloads (12 Months): 45,   Citation Count: 20
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ABSTRACT

Power optimization is of growing importance for FPGAs in nanometer technologies. Considering dual-Vdd technique, we show that configurable power supply is required to obtain a satisfactory performance and power tradeoff. We design FPGA circuits and logic fabrics using configurable dual-Vdd and develop the corresponding CAD flow to leverage such circuits and logic fabrics. We then carry out a highly quantitative study using area, delay and power models obtained from detailed circuit design and SPICE simulation in 100nm technology. Compared to single-Vdd FPGAs with optimized Vdd level for the same target clock frequency, configurable dual-Vdd FPGAs with full and partial supply programmability for logic blocks reduce logic power by 35.46% and 28.62% respectively and reduce total FPGA power by 14.29% and 9.04% respectively. To the best of our knowledge, it is the first in-depth study on FPGAs with configurable dual-Vdd for power reduction.


REFERENCES

Note: OCR errors may be found in this Reference List extracted from the full text article. ACM has opted to expose the complete List rather than only correct and linked references.

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J. Cong and Y. Ding, "FlowMap: An optimal technology mapping algorithm for delay optimization in lookup-table based FPGA Designs," in Trans. on CAD, pp. 1--12, Jan 1994.
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CITED BY  20