What is a Real Time Clock (RTC)?

At ECS Inc. International, we offer the widest breadth of products in the electronics industry. Our portfolio includes tuning fork watch crystals, quartz crystals, oscillators, VCXOs, TCXOs, OCXOs, real-time clocks (RTC) and miniature shielded power inductors. A real-time clock, or RTC, is a digital clock with a primary function to keep accurate track of time even when a power supply is turned off or a device is placed in low power mode. RTCs are comprised of a controller, an oscillator and an embedded quartz crystal resonator. They are engineered as all-in-one devices to provide better performances than discrete components, simplify integration in new designs, and accelerate time to market. Learn more about RTCs in our full tech guide.

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