The RTC you choose for a given ... Unlike more advanced solutions, the DS1307 relies on an external 32.768 KHz crystal for timekeeping. As per the datasheet, this means the accuracy of the ...

[RedruM69] recently ran into a system with a dead Real Time Clock (RTC) module. These modules were ... and they even have a datasheet online. (PDF link). It turns out that the bq3287 is a ...