According to the DS1340 Datasheet, DS1340Z-18+ can work at 3.3V power, and the IIC signals also can pull up to 3.3V. Is my understand right? Is there any other risk? Looking forward your reply, thank you.
DS1340
Production
The DS1340 is a real-time clock (RTC)/calendar that is pin compatible and functionally equivalent to the ST M41T00, including the software clock calibration...
Datasheet
DS1340 on Analog.com
According to the DS1340 Datasheet, DS1340Z-18+ can work at 3.3V power, and the IIC signals also can pull up to 3.3V. Is my understand right? Is there any other risk? Looking forward your reply, thank you.