Tiny Real-Time Clock/calendar with alarm function, battery switch-over, time stamp input, and I2C-bus

The PCF85263A is a CMOS Real-Time Clock (RTC) and calendar optimized for lowpower consumption and with automatic switching to battery on main power loss. The RTCcan also be configured as a stop-watch (elapsed time counter). Three time log registerstriggered from battery switch-over as well as input UL Recognized Component (PCF85263ATL)\nProvides year, month, day, weekday, hours, minutes, seconds and 100th secondsbased on a 32.768 kHz quartz crystal\nStop-watch mode for elapsed time counting. From 100th seconds to 999999 hours\nTwo independent alarms\nBattery back-up circuit\nWatchDog timer\nTh;

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