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3D technology is an attractive solution for reducing wirelength in a field programmable gate array (FPGA). However, trough silicon vias (TSV) are limited in number. In this paper, we propose a tilable switch module architecture based on the 3D disjoint switch module for 3D FPGAs. Experimental results over 20 MCNC benchmarks show 62% reduction in the number of TSVs on average and small improvements in horizontal channel width and delay compared to the original 3D disjoint SM.