![]() ![]() The solution is to have scheduled intermittent activation of the product to greatly extend the life of the battery. Because of the lack of power sources, having all systems and sensor functions running continuously would quickly drain the battery of these devices. Many of today’s products are powered by batteries and have limited or no access to battery replacements or recharging power sources. RTCs are used in a variety of applications where they play a critical role in keeping accurate track of the current time while also providing alarms, timers, and interrupt functions and helping to reduce power consumption. It also alleviates the need for the user to reset the time and date every time the device supply is cycled. This allows the RTC to maintain precise and continuous time counts even if the unit goes into sleep mode or if main power is lost. The RTC design also includes a power switch function to battery operation or another low power backup power source. The registers are updated periodically – even during normal RTC operation. Register data is programmed into RAM memory. 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.įunctions of the RTC are called registers. RTC’s are comprised of a controller, oscillator, and an embedded quartz crystal resonator. What is a Real Time Clock (RTC)?Ī 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. Our products are widely used in IoT, wearables, consumer products, automotive electronics, and medical products. is a recognized industry leader in frequency control and power management products. Our portfolio includes tuning fork watch crystals, quartz crystals, oscillators, VCXOs, TCXOs, OCXOs, real time clocks (RTC), and miniature shielded power inductors. International, we offer the widest breadth of product in the electronics industry. Internationalĭownload PDF Introduction to Real Time ClocksĪt ECS Inc. Written by David Meaney, Vice President of Global Technical Sales and Marketing at ECS Inc. ![]()
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