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Sub-threshold standard cell library design for ultra-low power biomedical applications
Ming-Zhong Li1; Chio-In Ieong1; Man-Kay Law2; Pui-In Mak2; Mang-I Vai1; Rui P. Martins2,3
2013
Conference Name35th Annual International Conference of the IEEE-Engineering-in-Medicine-and-Biology-Society (EMBC)
Source Publication2013 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)
Pages1454-1457
Conference DateJUL 03-07, 2013
Conference PlaceOsaka, JAPAN
Abstract

Portable/Implantable biomedical applications usually exhibit stringent power budgets for prolonging battery life time, but loose operating frequency requirements due to small bio-signal bandwidths, typically below a few kHz. The use of sub-threshold digital circuits is ideal in such scenario to achieve optimized power/speed tradeoffs. This paper discusses the design of a sub-threshold standard cell library using a standard 0.18-μm CMOS technology. A complete library of 56 standard cells is designed and the methodology is ensured through schematic design, transistor width scaling and layout design, as well as timing, power and functionality characterization. Performance comparison between our sub-threshold standard cell library and a commercial standard cell library using a 5-stage ring oscillator and an ECG designated FIR filter is performed. Simulation results show that our library achieves a total power saving of 95.62% and a leakage power reduction of 97.54% when compared with the same design implemented by the commercial standard cell library (SCL). © 2013 IEEE.

DOIhttp://doi.org/10.1109/EMBC.2013.6609785
URLView the original
Indexed BySCI
Language英语
WOS Research AreaEngineering
WOS SubjectEngineering, Biomedical ; Engineering, Electrical & Electronic
WOS IDWOS:000341702101235
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Citation statistics
Cited Times [WOS]:9   [WOS Record]     [Related Records in WOS]
Document TypeConference paper
CollectionINSTITUTE OF MICROELECTRONICS
DEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Affiliation1.Biomedical Engineering Laboratory, FST and State-Key Laboratory of Analog and Mixed-Signal VLSI, University of Macau, Macao, China
2.the State-Key Laboratory of Analog and Mixed-Signal VLSI, University of Macau, Macao, China.
3.on leave from Instituto Superior Técnico (IST) / TU of Lisbon, Portugal.
First Author AffilicationUniversity of Macau
Recommended Citation
GB/T 7714
Ming-Zhong Li,Chio-In Ieong,Man-Kay Law,et al. Sub-threshold standard cell library design for ultra-low power biomedical applications[C],2013:1454-1457.
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