In the 22-LFDFN package, real time clocks is embedded as a dependency.In this electrical RTC, the supply voltage is 1.8V~5.5V.Clock/Calendar is the type of electrical real time clock that is being used.As you can see from the diagram, this electronic component is mounted in the way of Surface Mount.There should be -40°C~85°C operating temperature.When operating, electronic time clocks are possible to ensure that Alarm are maintained.In the series RX-8581NB, it belongs to the real-time clock category.
RX-8581NB:B I2C-BUS Features
22-LFDFN package RX-8581NB series
RX-8581NB:B I2C-BUS Applications
There are a lot of EPSON RX-8581NB:B I2C-BUS Real Time Clocks applications.