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This paper studies the TSV-to-TSV coupling issues in 3D ICs and introduces a methodology for performing signal integrity (SI) analysis considering TSV-to-TSV coupling for 3D ICs. 3D SI analysis results show that TSV coupling has big impact on the SI in 3D ICs. A TSV-KOZ sizing methodology and a force-directed placement-refinement approach are proposed to alleviate the 3D SI problem. Experimental results...
In this paper, we present a methodology for characterization and repair of signal degradation in through-silicon-vias (TSVs) in 3-D integrated circuits (ICs). The proposed structure can detect the signal degradation through TSVs due to resistive shorts in liner oxide and variations in resistance of TSV due to weak open and/or bonding resistance. For TSVs with moderate signal degradations, the proposed...
In this paper we present a test structure and design methodology for testing, characterization, and self-repair of TSVs in 3D ICs. The proposed structure can detect the signal degradation through TSVs due to resistive shorts and variations in TSV. For TSVs with moderate signal degradations, the proposed structure reconfigures itself as signal recovery circuit to improve signal fidelity. The paper...
In this paper, we study the signal integrity issues of through-silicon-via (TSV)-based 3D IC layouts. Unlike the most existing work, our study reports the coupling noise among all nets and all TSVs used in a real processor design implemented in 3D. Our RTL-to-GDSII design flow consists of commercial tools, enhanced with various add-ons to handle TSV and 3D stacking. Using this tool flow, we generate...
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