The MAX31329 low-current, real-time clock (RTC) is a timekeeping device that provides timekeeping current in nanoamperes, thus extending battery life. The MAX31329 incorporates an integrated 32.768kHz crystal, which eliminates the need for an external crystal. This device is accessed through an I2C serial interface. The MAX31329 features one digital Schmitt trigger input (DIN) and generates an interrupt output on a falling or rising edge of this digital input. An integrated power-on reset function ensures deterministic default register status upon power-up. Other features include two time-of-day alarms, interrupt outputs, a programmable square-wave output, and a serial bus timeout mechanism.
Part no.: MAX31329ELB+
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