Nitish Natu - IEEE Xplore Author Profile

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The 3-D integrated circuits (3-D ICs) overcome the bottlenecks in system performance and circuit density. However, their increased power and thermal density cause temperature gradients in the chip that significantly affect signal and power integrity. Temperature gradients significantly degrade the clock signal, a key signal in digital systems, which in turn degrades system performance. In this pap...Show More
Clock Distribution Networks (CDN) in three dimensional ICs face problems due to temperature and gradients observed across the die. The propagation delay of paths in the CDN varies and leads to mismatch in skew at the distribution points. This could potentially harm the system by violating setup and hold timing constraints. Compensation techniques can however be integrated with the CDN to compensat...Show More
Three-dimensional Integrated Circuits provide a solution to overcome bottlenecks in performance and power management issues. However, the drawback arises in the form of increased thermal density that results in thermal gradients that affect signal integrity. Since, the clock signal is critical for ensuring the performance of synchronous digital systems, its design is very important. In this paper ...Show More