Evaluation of granularity on threshold voltage control in flex power FPGA
The flex power FPGA can flexibly control speed and power in a trade-off relationship by a flexible assignment of proper threshold voltage generated from body-bias units to transistors. This paper evaluates static power consumption and an area-overhead by the body-bias units on various threshold volt...
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| creator | Hioki, M. Kawanami, T. Tsutsumi, T. Nakagawa, T. Sekigawa, T. Koike, H. |
| description | The flex power FPGA can flexibly control speed and power in a trade-off relationship by a flexible assignment of proper threshold voltage generated from body-bias units to transistors. This paper evaluates static power consumption and an area-overhead by the body-bias units on various threshold voltage control granularity in the flex power FPGA. There is also a trade-off relationship between the static power consumption and the area-overhead for granular control of the threshold voltages. Both a grain size and its style of division have a strong influence on the trade-off. Own evaluation results show that static power reduces less than 1/5 of original level, while increase an area overhead of less than 40%. If an area increase of 50% is allowed, then the reduction in static power consumption to 1/10 or less is obtained |
| doi_str_mv | 10.1109/FPT.2006.270386 |
| format | Conference Proceeding |
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If an area increase of 50% is allowed, then the reduction in static power consumption to 1/10 or less is obtained</description><subject>CMOS integrated circuits</subject><subject>CMOS technology</subject><subject>Energy consumption</subject><subject>Field programmable gate arrays</subject><subject>Flexible printed circuits</subject><subject>Integrated circuit technology</subject><subject>Leakage current</subject><subject>Subthreshold current</subject><subject>Threshold voltage</subject><subject>Voltage control</subject><isbn>0780397282</isbn><isbn>9780780397286</isbn><isbn>9780780397293</isbn><isbn>0780397290</isbn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2006</creationdate><recordtype>conference_proceeding</recordtype><sourceid>6IE</sourceid><sourceid>RIE</sourceid><recordid>eNo1jMFLwzAchSMiqLNnD17yD7Qm-aVJcxxj3QYDd5jnkaXJFonNSLPp_nsL6uPB43uHD6FnSipKiXptN9uKESIqJgk04gYVSjZkLCjJFNyix39o2D0qhuGDjAHFJVcPaDW_6HDW2cceR4cPSffnoJPPVzw--ZjscIyhw5cYsj5YbGKfUwzY99gF-41P8csm3G4W0yd053QYbPG3E_TezrezZbl-W6xm03XpGae5BNLJPZOmc5xzI-q9YdTWjjrBjBOWOyqAkU40mklaKxBGWABwgphOm0bDBL38er21dndK_lOn644TPuop_ACSdE1U</recordid><startdate>200612</startdate><enddate>200612</enddate><creator>Hioki, M.</creator><creator>Kawanami, T.</creator><creator>Tsutsumi, T.</creator><creator>Nakagawa, T.</creator><creator>Sekigawa, T.</creator><creator>Koike, H.</creator><general>IEEE</general><scope>6IE</scope><scope>6IL</scope><scope>CBEJK</scope><scope>RIE</scope><scope>RIL</scope></search><sort><creationdate>200612</creationdate><title>Evaluation of granularity on threshold voltage control in flex power FPGA</title><author>Hioki, M. ; Kawanami, T. ; Tsutsumi, T. ; Nakagawa, T. ; Sekigawa, T. ; Koike, H.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i241t-30d7b27cdf444c65bc21e5f1f62cf6e4f16320d68a2715936c6e333f60cdac8a3</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>2006</creationdate><topic>CMOS integrated circuits</topic><topic>CMOS technology</topic><topic>Energy consumption</topic><topic>Field programmable gate arrays</topic><topic>Flexible printed circuits</topic><topic>Integrated circuit technology</topic><topic>Leakage current</topic><topic>Subthreshold current</topic><topic>Threshold voltage</topic><topic>Voltage control</topic><toplevel>online_resources</toplevel><creatorcontrib>Hioki, M.</creatorcontrib><creatorcontrib>Kawanami, T.</creatorcontrib><creatorcontrib>Tsutsumi, T.</creatorcontrib><creatorcontrib>Nakagawa, T.</creatorcontrib><creatorcontrib>Sekigawa, T.</creatorcontrib><creatorcontrib>Koike, H.</creatorcontrib><collection>IEEE Electronic Library (IEL) Conference Proceedings</collection><collection>IEEE Proceedings Order Plan All Online (POP All Online) 1998-present by volume</collection><collection>IEEE Xplore All Conference Proceedings</collection><collection>IEEE Electronic Library (IEL)</collection><collection>IEEE Proceedings Order Plans (POP All) 1998-Present</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Hioki, M.</au><au>Kawanami, T.</au><au>Tsutsumi, T.</au><au>Nakagawa, T.</au><au>Sekigawa, T.</au><au>Koike, H.</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>Evaluation of granularity on threshold voltage control in flex power FPGA</atitle><btitle>2006 IEEE International Conference on Field Programmable Technology</btitle><stitle>FPT</stitle><date>2006-12</date><risdate>2006</risdate><spage>17</spage><epage>24</epage><pages>17-24</pages><isbn>0780397282</isbn><isbn>9780780397286</isbn><eisbn>9780780397293</eisbn><eisbn>0780397290</eisbn><abstract>The flex power FPGA can flexibly control speed and power in a trade-off relationship by a flexible assignment of proper threshold voltage generated from body-bias units to transistors. This paper evaluates static power consumption and an area-overhead by the body-bias units on various threshold voltage control granularity in the flex power FPGA. There is also a trade-off relationship between the static power consumption and the area-overhead for granular control of the threshold voltages. Both a grain size and its style of division have a strong influence on the trade-off. Own evaluation results show that static power reduces less than 1/5 of original level, while increase an area overhead of less than 40%. If an area increase of 50% is allowed, then the reduction in static power consumption to 1/10 or less is obtained</abstract><pub>IEEE</pub><doi>10.1109/FPT.2006.270386</doi><tpages>8</tpages></addata></record> |
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| ispartof | 2006 IEEE International Conference on Field Programmable Technology, 2006, p.17-24 |
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| language | eng |
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| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | CMOS integrated circuits CMOS technology Energy consumption Field programmable gate arrays Flexible printed circuits Integrated circuit technology Leakage current Subthreshold current Threshold voltage Voltage control |
| title | Evaluation of granularity on threshold voltage control in flex power FPGA |
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