RV-3028-C7, the first Real Time Clock Module with only 45 nA power consumption
The new RTC‐Module RV‐3028‐C7 sets the new benchmark for lowest power consumption: 45 nA at
a supply of 3V. The high accuracy of ± 1 ppm at room temperature eliminates any calibration during
manufacturing. The tiny package of just 3.2 x 1.5 x 0.8 mm combines the quartz crystal with the RTC
circuit, also offering an integrated battery‐back‐up‐switch. The extreme low power consumption
allows using MLCC capacitors to cover the back‐up time. Together with an event detection input, it
features all the prerequisites for Wearables, Medical Healthcare and power sensitive IoT
applications.
Further properties of Real Time Clocks:
 Industries lowest current consumption of only 45 NA @ 3V
 Factory calibrated time reference ±1.0 ppm @ 25°C
 Integrated 32.768 kHz Quartz Crystal
 Event input for time-stamping, also during system power-down
 Battery back-up switch with trickle charge, ideal for MLCC and Supercaps
 Wide voltage range 1.2 to 5.5 V
 Ultra-miniature ceramic SMD package: 3.2 x 1.5 x 0.8 mm
 Provides time and date from seconds to years
 32 bit Unix time counter e.g. for security code calculations
 Password protection for time change, 43 Bytes of user EEPROM
Link to homepage: http://www.microcrystal.com/index.php/products/real-time-clocks

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