RV-8263-C8 This ultra small RTC Module has been specially designed for miniature and cost sensitive high volume applications. The tiny C8 (2.0 x 1.2x 0.7 mm) SMD ceramic package combines the 32.768 kHz crystal unit with the CMOS-based oscillator and real-time-clock circuitry. The clock function provides seconds, minutes and hours. The calendar function tracks date, month, year and century with automatic leap year compensation. Programmable CLKOUT frequencies, alarm settings and timer function increase flexibility.


  • Unique ultra-small size, low profile and lightweight (5.1 mg)
  • Low power consumption: 190 nA @ 3 V 
  • Wide operating voltage range: 0.9 V to 5.5 V
  • Time accuracy: ±20 ppm @ 25°C
  • Operating temperature range: -40 to +85°C
  • User programmable offset value. Oscillator stop detection
  • Provides year, month, date, weekday, hours, minutes and seconds
  • Automatic leap year calculation: 2000 to 2099
  • Timer and Alarm functions
  • Clock output frequencies: 32.768 kHz to 1 Hz.
  • I²C-bus interface: 400 kHz
  • 100% Pb-free, RoHS-compliant
  • Automotive qualification according to AEC-Q200 available

Block Diagram


The RV-8263-C8 RTC module combines standard RTC functions in high reliable, ultra-small, low profile and lightweight ceramic package.

  • IoT
  • Metering
  • Industrial
  • Automotive
  • Health Care
  • Wearables, Portables


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