QCA design and implementation of SRAM based FPGA Configurable Logic Block

This paper presents the design and simulation of a Configurable Logic Block (CLB) using the Quantum-Dot Cellular Automata (QCA) technology. The modeling, implementation, and successful simulation of a CLB slice for a nano quantum FPGA are discussed. We have drawn comparisons with various FPGA architectures at the quantum level and optimized the proposed architecture with respect to area and latency. The design is modeled using standard QCA cells with multiple layers for reliable interconnect crossovers. The design of the CLB is implemented and simulated using the QCA Designer software tool.