標題: Evaluation of Sub-0.2 V High-Speed Low-Power Circuits Using Hetero-Channel MOSFET and Tunneling FET Devices
作者: Chen, Yin-Nien
Fan, Ming-Long
Hu, Vita Pi-Ho
Su, Pin
Chuang, Ching-Te
電子工程學系及電子研究所
Department of Electronics Engineering and Institute of Electronics
關鍵字: Hetero-channel MOSFET;high-speed;lowpower;tunnel FET
公開日期: 1-十二月-2014
摘要: This paper investigates the feasibility of sub-0.2 V high-speed low-power circuits with hetero-channel MOSFET and emerging Tunneling FET (TFET) devices. First, the device designs and characteristics of hetero-channel MOSFET and TFET devices are discussed and compared. Due to the significant leakage current of ultra-low V-T hetero-channel MOSFET devices, assist-circuits are required for hetero-channel MOSFET-based circuits to operate at 0.2 V. Second, the delay, dynamic energy and the Standby power of hetero-channel TFET-based and MOSFET-based logic circuits including Inverter, NAND, BUS Driver, and Latch are analyzed and evaluated. The results indicate that hetero-channel TFET-based circuits with Dual Oxide (DOX) device design to reduce the Miller capacitance provide the potential to achieve high-speed low-power operation at V-DD = 0.2 V, while the use of assist-circuits in MOSFET-based design improves the delay and dynamic energy at the expense of increased device count, circuit area, and large Standby and sleep-mode leakage power. Finally, the impacts of temperature and process variations on TFET-based and MOSFET-based logic circuits are discussed.
URI: http://dx.doi.org/10.1109/TCSI.2014.2335032
http://hdl.handle.net/11536/123868
ISSN: 1549-8328
DOI: 10.1109/TCSI.2014.2335032
期刊: IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS I-REGULAR PAPERS
Volume: 61
Issue: 12
起始頁: 3339
結束頁: 3347
顯示於類別:期刊論文


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