Suntsu Introduces An Ultra-Low Power Consumption Real-Time Clock With High Stability!

suntsu ultra-low real time clock blog hero
Suntsu SLR32CN-32.768K

Suntsu’s new RTC (Real-Time Clock), SLR32CN-32.768K, has a built-in 32.786kHz TCXO with an I2C bus interface and provides ultra-low power consumption.

New CMOS process technology achieves ultra-low current consumption of 0.5µA, with a high frequency stability of +/-5.0ppm over -40~85°C.

Suntsu’s precise high-temperature sensor and compensation circuit ensures high clock accuracy and supports calendar, clock, alarm, and wakeup timer functions. Various power supply sources can be used.

Key features include

  • Built-in 32.768kHz TCXO
  • Supply voltages of 1.6V to 5.0V
  • Ultra-Low current consumption of 0.5µA
  • High stability of ±5.0ppm over -40~85°C
  • 3.2 x 2.5mm SMD package size
  • Auto power switching function
  • Support time accuracy to 1/16 second

Applications include

  • Industrial
  • Digital Camera
  • Communications
  • Handheld Instruments
  • Wearables
  • Battery powered devices

Suntsu RTC SLR32CN-32.768K

SeriesImagePackageStability ToFrequencyVoltage(s)ReelKey FeatureDatasheet
SLR32CSXT104 Crystal3.2x2.5±5ppm32.768 MHz1.6V ~ 5.5V1.5KUltra-Low Power Consumption,
Ultra High Stability, SMD
Datasheet Download

“Kill two birds with one stone! Suntsu’s ultra-low power consumption RTC with high stability will help you
achieve a longer battery life and better performance over standard operating temperatures.”

– KH Mun / Director of Engineering

Need more information? Please contact us with any questions.


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