Title :
Architecting NP-Dynamic Skybridge
Author :
Jiajun Shi ; Mingyu Li ; Rahman, Mostafizur ; Khasanvis, Santosh ; Moritz, Csaba Andras
Author_Institution :
Dept. of Electr. & Comput. Eng., Univ. of Massachusetts, Amherst, MA, USA
Abstract :
This paper introduces a new fine-grained 3D IC fabric technology called NP-Dynamic Skybridge. Skybridge is a family of 3D IC technologies that provides fine-grained vertical integration. In comparison to the original 3D Skybridge, the NP-Dynamic approach enables a more comprehensive logic style for improved efficiency. It addresses device, circuit, connectivity and manufacturability requirements with an integrated 3D mindset. The NP-Dynamic 3D circuit style enables wide range of logic expressions, simple clocking scheme, and reduces buffer requirements. Architected interconnect framework in 3D provides a high degree of connectivity. Bottom-up evaluations for 16-nm NP-Dynamic Skybridge, considering material properties, nanoscale transport, 3D circuit style, 3D placement and layout reveal up to 50x density and 25x power benefits for 4-bit CLA in comparison to 16-nm CMOS at comparable performance. For 4-bit multiplier, NP-Dynamic Skybridge shows up to 90x density benefit and 8x lower power vs. CMOS.
Keywords :
integrated circuit design; integrated circuit interconnections; three-dimensional integrated circuits; 3D IC technologies; 3D layout; 3D placement; 4-bit multiplier; CLA; NP-Dynamic 3D circuit style; NP-Dynamic Skybridge; architected interconnect framework; buffer requirements; comprehensive logic style; fine-grained 3D IC fabric technology; fine-grained vertical integration; integrated 3D mindset; logic expressions; material properties; nanoscale transport; simple clocking scheme; word length 4 bit; Decision support systems; Nanoscale devices; 3D IC fabric; NP-Dynamic circuits; emerging technologies; nanoscale computing fabrics; vertical nanowires;
Conference_Titel :
Nanoscale Architectures (NANOARCH), 2015 IEEE/ACM International Symposium on
Conference_Location :
Boston, MA
DOI :
10.1109/NANOARCH.2015.7180607