期刊
MICROELECTRONICS RELIABILITY
卷 54, 期 5, 页码 861-874出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.microrel.2014.02.002
关键词
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资金
- Center for Low Energy Systems Technology (LEAST), one of the six SRC STARnet Centers
- MARCO
- DARPA
- National Science Foundation (NSF) [ASSIST ERC 1160483]
- Intel ARO
- DTRA
Tunneling-field-effect-transistor (TFET) has emerged as an alternative for conventional CMOS by enabling the supply voltage (V-DD) scaling in ultra-low power, energy efficient computing, due to its sub-60 mV/decade sub-threshold slope (SS). Given its unique device characteristics such as the asymmetrical source/drain design induced uni-directional conduction, enhanced on-state Miller capacitance effect and steep switching at low voltages, TFET based circuit design requires strong interactions between the device-level and the circuit-level to explore the performance benefits, with certain modifications of the conventional CMOS circuits to achieve the functionality and optimal energy efficiency. Because TFET operates at low supply voltage range (V-DD <0.5 V) to outperform CMOS, reliability issues can have profound impact on the circuit design from the practical application perspective. In this review paper, we present recent development on Tunnel FET device design, and modeling technique for circuit implementation and performance benchmarking. We focus on the reliability issues such as soft-error, electrical noise and process variation, and their impact on TFET based circuit performance compared to sub-threshold CMOS. Analytical models of electrical noise and process variation are also discussed for circuit-level simulation. (C) 2014 Published by Elsevier Ltd.
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