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Other I2C devices can be cascaded. In battery backup mode, Low power consumption, Automatic brownout detection and switching circuit. And there is a leap year compensation function. The chip has a built-in power sensing circuit with power-down detection and battery switching functions.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.