A simple RC circuit with a 1kΩ resistor and a 10μF capacitor is recommended to ensure a clean power-on reset.
The DS1308U-33+T has an internal switchover circuit that automatically switches to the battery when the main power fails. No external circuitry is required.
The maximum capacitance value for the X1 crystal oscillator is 20pF. Exceeding this value may affect the oscillator's performance.
Yes, the DS1308U-33+T can operate with a 3.3V supply voltage, but the battery voltage must be within the recommended range of 2.0V to 3.5V.
The DS1308U-33+T has an internal oscillator that runs at 32.768kHz by default. No external configuration is required.
