The RV-3028-C7 is a SMD 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:

• extreme low power consumption: 45 nA @ 3 V
• wide operating voltage range: 1.1 V to 5.5 V
• time accuracy: Factory calibrated to ±1 ppm @ 25°C
• user progr. password for write protection of time and configuration
• non-volatile configuration settings with user programmable offset value
• automatic backup switchover and trickle charger function
• provides year, month, date, weekday, hours, minutes, seconds, UNIX
• timer, alarm and external event input with Time Stamp function
• clock output: 32.768 kHz, 8192 Hz, 1024 Hz, 64 Hz, 32 Hz, 1 Hz
• 43 bytes non-volatile user memory, 2 bytes user RAM
• I2C-bus interface: 400 kHz
• 100% Pb-free, RoHS-compliant
• automotive qualification according to AEC-Q200 available

Applications:

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