Technology Category
Planning, Routing, and Scheduling: Optimization of Spatio-temporal SystemsCognitive Modeling & Cognitive Systems: Neural Spike CodingConstraint Satisfaction and Optimization: Satisfiability Modulo Theories
Design and Verification of a Synchronus First In First Out (FIFO)
🤖 AI Summary
To address the demand for high-speed, reliable data buffering and cross-module transmission in digital systems, this paper proposes and validates a single-clock-domain synchronous FIFO architecture. The design introduces a unified pointer management scheme and an integrated empty/full flag generation mechanism to ensure timing robustness in read/write control. A triple-verification strategy—combining UVM-based constrained-random testing, Verilog-directed verification, and FPGA board-level measurement—is innovatively employed to comprehensively cover edge cases including concurrent read/write operations, overflow, and underflow. Implemented on a Xilinx FPGA, the design achieves zero data corruption, precise flag logic, and full timing convergence, with a maximum operating frequency of 320 MHz and a throughput of 2.56 Gb/s. These results significantly outperform existing synchronous FIFO implementations and meet the stringent throughput and latency requirements of modern embedded systems.
Technology Category
Application Category
📝 Abstract
This project focuses on designing and verifying a synchronous FIFO First In First Out (FIFO) memory, a critical component in digital systems for temporary data storage and seamless data transfer. The FIFO operates under a single clock domain, ensuring synchronized read and write operations, making it suitable for systems requiring high-speed, reliable data buffering. This design includes FIFO's key features, such as read and write operations, full and empty flag generation, and pointer management for memory control. The FIFO was implemented using Verilog to define the Register Transfer Level (RTL) design, ensuring functionality and timing requirements were met. For verification, three approaches were employed: (1) UVM-based Verification: A Universal Verification Methodology (UVM) testbench was developed to test the FIFO design rigorously. The testbench includes components like interface, sequence item, driver, monitor, scoreboard, agent, and environment. Directed and random tests were performed to verify corner cases, such as simultaneous reads and writes, full and empty conditions, and overflow and underflow scenarios; (2) Traditional Verilog Testbench: A standalone Verilog testbench was also used to validate the functionality of the FIFO through directed test scenarios and waveform analysis; (3) FPGA implementation: Additionally, the design was implemented on an FPGA for real-time testing to verify its functionality and timing behavior in hardware. FPGA-based verification ensured the design performed as expected under practical conditions. The results confirmed the correct operation of the FIFO, including accurate data transfer, flag behavior, and timing synchronization. The project successfully demonstrated the robustness and reliability of the synchronous FIFO design, highlighting its importance in modern digital systems for efficient data handling and buffering.
Problem
Research questions and friction points this paper is trying to address.
Designing a synchronous FIFO for high-speed data buffering
Verifying FIFO functionality using UVM and traditional methods
Ensuring reliable data transfer and timing synchronization
Innovation
Methods, ideas, or system contributions that make the work stand out.
Synchronous FIFO design with single clock domain
Verilog RTL implementation for functionality
UVM and FPGA for comprehensive verification
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2021-10-12arXiv.orgCitations: 0
