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Algorithms 2017, 10(3), 94; https://doi.org/10.3390/a10030094

NBTI and Power Reduction Using an Input Vector Control and Supply Voltage Assignment Method

1
School of Electrical Engineering and Automation, Harbin Institute of Technology, Harbin 150001, China
2
China Academy of Launch Vehicle Technology, Beijing 100076, China
*
Author to whom correspondence should be addressed.
Received: 5 June 2017 / Revised: 31 July 2017 / Accepted: 13 August 2017 / Published: 19 August 2017
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Abstract

As technology scales, negative bias temperature instability (NBTI) becomes one of the primary failure mechanisms for Very Large Scale Integration (VLSI) circuits. Meanwhile, the leakage power increases dramatically as the supply/threshold voltage continues to scale down. These two issues pose severe reliability problems for complementary metal oxide semiconductor (CMOS) devices. Because both the NBTI and leakage are dependent on the input vector of the circuit, we present an input vector control (IVC) method based on a linear programming algorithm, which can co-optimize circuit aging and power dissipation simultaneously. In addition, our proposed IVC method is combined with the supply voltage assignment technique to further reduce delay degradation and leakage power. Experimental results on various circuits show the effectiveness of the proposed combination method. View Full-Text
Keywords: negative bias temperature instability; leakage power; input vector control; supply voltage assignment; linear programming negative bias temperature instability; leakage power; input vector control; supply voltage assignment; linear programming
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Sun, P.; Yang, Z.; Yu, Y.; Li, J.; Peng, X. NBTI and Power Reduction Using an Input Vector Control and Supply Voltage Assignment Method. Algorithms 2017, 10, 94.

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