Discrete-Dopant-Fluctuated Transient Behavior and Variability Suppression in 16-nm-Gate Complementary Metal–Oxide–Semiconductor Field-Effect Transistors
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概要
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Variability in the characteristics of nanoscale complementary metal–oxide–semiconductor (CMOS) field-effect transistors is a major challenge to scaling and integration. However, little attention has been focused on the existence of transient behavior fluctuations of devices owing to random dopant placement. In this study, we explore the discrete-dopant-induced transient behavior fluctuations of 16-nm-gate CMOS circuits through a three-dimensional large-scale statistically sound "atomistic" device-circuit-coupled simulation approach, concurrently capturing "dopant concentration variation" and "dopant position fluctuation". For a 16-nm-gate CMOS inverter, a 3.5% variation of the rise time, a 2.4% variation of the fall time, an 18.3% variation of the high-to-low delay time, and a 13.2% variation of the low-to-high delay time are estimated and discussed. Fluctuation suppression techniques proposed from the device and the circuit viewpoints are implemented to examine the associated intrinsic fluctuations.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2009-04-25
著者
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Li Yiming
Department Of Communication Engineering National Chiao Tung University
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Cheng Hui-wen
Department Of Communication Engineering National Chiao Tung University
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Hwang Chih-hong
Department Of Communication Engineering National Chiao Tung University
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Hwang Chih-Hong
Department of Communication Engineering, National Chiao Tung University, 1001 Ta-Hsueh Rd., Hsinchu 300, Taiwan
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