The RV-3129-C3 is a SMT Real-Time Clock Module that incorporates an integrated CMOS circuit together with an XTAL. It operates under vacuum in a hermetically sealed ceramic package with metal lid.

Features:

• low power consumption: 800 nA @ 3 V
• wide operating voltage range: 1.3 V to 5.5 V
• time accuracy, temp. compensated: option A: -40 to +85°C, ±6 ppm, option B: -40 to +85°C, ±25 ppm. 
• extended operating temperature range: -40 to +125°C
• automatic backup switchover and trickle charger function
• provides year, month, weekday, date, hours, minutes and seconds
• timer and alarm functions
• clock output frequencies: 32.768 kHz, 1024 Hz, 32 Hz, 1 Hz
• 2 bytes non-volatile user memory, 8 bytes user RAM
• I2C-bus interface: 400 kHz
• 100% Pb-free, RoHS-compliant
• automotive qualification according to AEC-Q200 available

Applications:

• IoT
• metering
• industrial
• portables
• automotive
• health care