fieldprogrammablegatearrays (FPGAs) are valued for their reconfigurability and parallel processing capabilities. FPGAs struggle with inadequate resources and computing inefficiency despite these fascinating feature...
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fieldprogrammablegatearrays (FPGAs) are valued for their reconfigurability and parallel processing capabilities. FPGAs struggle with inadequate resources and computing inefficiency despite these fascinating features when implementing large designs. quaternary logic, a Multiple-Valued Logic (MVL) type compatible with binary systems, enables FPGAs to represent multiple states simultaneously, boosting computational efficiency through enhanced parallel processing. This paper proposes a novel nonvolatile quaternary FPGA (NQFPGA) architecture, integrating Magnetic Tunnel Junction (MTJ) with a Carbon Nanotube field Effect Transistor (CNTFET) to improve FPGA performance and efficiency. MTJ adds nonvolatility, preserving data during power losses, while CNTFET offers tunable threshold voltage, which is essential for implementing MVL circuits. The proposed NQFPGA was designed using a novel quaternary Look-Up Table (QLUT) and quaternary Flip-Flop (QFF). The QLUT cuts average power by up to 85% and static power by 72%. The QFF also reduces average power by 44% and static power by 40%. Also, the QFF shows up to 99% improvement in Power-Delay-Area Product (PDAP) compared to previous designs. The evaluation used ISCAS'89 and Rosetta benchmark suites to ensure standardized and realistic scenarios. The results of these benchmarks indicate the efficiency, high performance, and cost-effectiveness of the proposed NQFPGA in various real-world scenarios.
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