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Deriving a circuit for a Boolean function or improving an available circuit are typical tasks solved by logic synthesis. Numerous algorithms in this area have been proposed and implemented over the last 50 years. This paper presents a "lazy” approach to logic synthesis based on the following observations: (a) optimal or near-optimal circuits for many practical functions are already derived by...
This paper explores the FPGA routing architecture based on a new concept of “general switch box (GSB)” to improve the performance of FPGA. Compared with the existing CB/SB routing architecture and CS-box architecture, the proposed GSB architecture has much larger exploration space. Experimental results with MCNC benchmark circuits show that the performance of FPGAs with GSB is about 24.3% better than...
Field programmable gate arrays (FPGAs) allow the same silicon implementation to be programmed or reprogrammed for a variety of applications. It provides low NRE (non-recurring engineering) cost and short time to market. As CMOS technology continue to scale down to nanometer, increased power consumption and worsened process variation become crucial constraints for FPGAs. The survey reviews the process...
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