The design of three-dimensional (3D) power delivery network (PDN) is constrained by both power and thermal integrity. Through-silicon via (TSV) as an important part of transmission power and heat in stack, the rational design of TSV layout is particularly important. Using minimal TSV area to achieve the required 3D PDN is significant to reduce manufacturing costs and increase integration. In this paper, we propose electrical and thermal models of 3D PDN, respectively, and we use them to solve the 3D voltage drop and temperature distribution problems. The accuracy and efficiency of our proposed methods are demonstrated by simulation measurement. Combining these two methods, a layer-based optimization solution is developed and allows us to adjust the TSV density for different layers while satisfying the global power and thermal constraints. This optimization is scalable and has the same guiding value for multichip stacks with different functions and constraints. A setup of four-chip stack is used to demonstrate the feasibility of this optimization and a large TSV area saving is achieved by this method.
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December 2018
Research-Article
Power and Thermal Constraints-Driven Modeling and Optimization for Through Silicon Via-Based Power Distribution Network
Weijun Zhu,
Weijun Zhu
School of Microelectronics,
Xidian University,
Xi'an 710071, Shaanxi, China
Xidian University,
Xi'an 710071, Shaanxi, China
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Gang Dong,
Gang Dong
School of Microelectronics,
Xidian University,
Xi'an 710071, Shaanxi, China
e-mail: gdong@xidian.edu.cn
Xidian University,
Xi'an 710071, Shaanxi, China
e-mail: gdong@xidian.edu.cn
Search for other works by this author on:
Yintang Yang
Yintang Yang
School of Microelectronics,
Xidian University,
Xi'an 710071, Shaanxi, China
Xidian University,
Xi'an 710071, Shaanxi, China
Search for other works by this author on:
Weijun Zhu
School of Microelectronics,
Xidian University,
Xi'an 710071, Shaanxi, China
Xidian University,
Xi'an 710071, Shaanxi, China
Gang Dong
School of Microelectronics,
Xidian University,
Xi'an 710071, Shaanxi, China
e-mail: gdong@xidian.edu.cn
Xidian University,
Xi'an 710071, Shaanxi, China
e-mail: gdong@xidian.edu.cn
Yintang Yang
School of Microelectronics,
Xidian University,
Xi'an 710071, Shaanxi, China
Xidian University,
Xi'an 710071, Shaanxi, China
1Corresponding author.
Contributed by the Electronic and Photonic Packaging Division of ASME for publication in the JOURNAL OF ELECTRONIC PACKAGING. Manuscript received January 25, 2018; final manuscript received June 23, 2018; published online August 3, 2018. Assoc. Editor: Mehdi Asheghi.
J. Electron. Packag. Dec 2018, 140(4): 041002 (10 pages)
Published Online: August 3, 2018
Article history
Received:
January 25, 2018
Revised:
June 23, 2018
Citation
Zhu, W., Dong, G., and Yang, Y. (August 3, 2018). "Power and Thermal Constraints-Driven Modeling and Optimization for Through Silicon Via-Based Power Distribution Network." ASME. J. Electron. Packag. December 2018; 140(4): 041002. https://doi.org/10.1115/1.4040670
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