OKY3450 is a controller chip from the OKYSTAR family of integrated circuits manufactured by OKY Semiconductor. It is a programmable digital clock controller and has comprehensive features such as real-time clock, watch-dog timer, clock source select, frequency synthesizer, digital phase-locked loop, power management, and various oscillators. The integrated circuits also support voltage detection, thermal protection, temperature sensor, clock buffer, watchdog timer, oscillator buffer, and hot-swappable components. The OKY3450 is offered as a QFN package with low power consumption and a wide temperature range. It is suitable for applications where clock synchronization and system control is required.