RX-8731LC (Built-in EEPROM and Unique ID-ROM I2C-Bus Interface Real Time Clock Module)

The RX-8731LC clock module is a real-time clock module from EPSON/Epson with a rated frequency of 32.768KHz, an I2C Bus interface, and a monthly deviation of ± 60 seconds. The VSOJ-12 pin package real-time clock module is equipped with 12 pin chips, which have a small size and high stability. It is one of the best-selling models in the EPSON/Epson real-time clock module. This real-time clock module can operate stably within a temperature range of -40~85 ° C, with a frequency tolerance of+5 ± 23 ppm.

• Built in frequency adjusted 32.768kHz crystal unit.
• Interface Type
  I²C-Bus interface (400 kHz)
• Operating voltage range
  1.7V to 5.5V
• •Wide voltage for timekeeping
  1.3V to 5.5V
• Low backup current
  0.35µA / 3V(Typ.)
• 32.768kHz frequency output function
  C-MOS output With Control Pin
• The various functions include full calendar, alarm, timer