Utilizing a self-timed ring oscillator, this PUF is engineered to provide robust security for custom ASIC solutions. It serves as a unique identifier, offering exceptional security and authentication by exploiting inherent process variations. The IP requires only standard cells, enhancing scalability and integration across various systems. Its design supports applications in IoT devices and healthcare, where secure communication is essential. The adaptability of this IP allows for seamless implementation into ASICs and embedded systems, safeguarding against cloning and other security threats.