Design of Asynchronous FIFO with Adjustable Input-Output Bit Width Based on Verilog

  Investigating low-power design methodologies for asynchronous FIFOs is crucial for developing energy-efficient digital systems. This paper explores dynamic voltage and frequency scaling (DVFS), power gating, adaptive body biasing, clock gating, and data encoding techniques to reduce power consumption while maintaining performance in FIFO designs. DVFS adjusts voltage and frequency dynamically based on workload, optimizing power usage. Power gating selectively turns off inactive components to minimize static power dissipation. Adaptive body biasing optimizes transistor characteristics for power and performance trade-offs. Clock gating and data encoding techniques further reduce dynamic power by disabling clock signals to idle parts and minimizing data transitions. These methodologies are integrated into asynchronous FIFO architectures to achieve significant power savings, making them ideal for low-power applications without compromising functionality or performance. Experimental results demonstrate the effectiveness of these techniques in reducing power consumption while ensuring efficient data handling. This research contributes to advancing energy-efficient design practices in asynchronous FIFOs and lays a foundation for developing power-aware digital systems.

  Keywords: Power gating, Clock gating, Data encoding, Body biasing, Static power