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conference paper

Design of Resonant Clock Distribution Networks for 3-D Integrated Circuits

Rahimian Omam, Somayyeh  
•
Pavlidis, Vasileios
•
De Micheli, Giovanni  
2011
Integrated Circuit and System Design. Power and Timing Modeling, Optimization, and Simulation. PATMOS 2011
21st International Conference on Integrated Circuit and System Design: Power and Timing Modeling, Optimization, and Simulation (PATMOS)

Designing a low power clock network in synchronous circuits is an important task. This requirement is stricter for 3-D circuits due to the increased power densities. Resonant clock networks are considered efficient low-power alternatives to conventional clock distribution schemes. These networks utilize additional inductive circuits to reduce the power consumption while delivering a full swing clock signal to the sink nodes. A design method for 3-D resonant clock networks is presented. The proposed design technique supports resonant operation for pre-bond test, an important requirement for 3-D ICs. Several 3-D clock network topologies are explored in a 0.18 μm CMOS technology. Simulation results indicate 43% reduction in the power consumed by the resonant 3-D clock network as compared to a conventional buffered clock network.

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