The RV-3049-C2 OPTION B is a Real Time Clock Module with SPI-bus. This RTC has an 4-wire serial interface and offers temperature compensated time. The STC-smart temperature compensation is calibrated in the factory and leads to a very high time-accuracy of ± 6ppm. Beside standard RTC functions, it includes a Backup-Battery Input with internal switchover function, a programmable Trickle-charge circuitry, an integrated temperature sensor with digital-output and offers 8bytes RAM and 2 Bytes EEPROM for customers application.
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