I2C-Bus Real Time Clock with Two Interrupts, Alarm, and Timer Low Power RTC with Battery ReSeal, 2 IRQs, Hundredths of a Second Time, and Crystal Compensation, Package - 10 Ld MSOP (Tape and Reel)

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Clock & Timer Development Tools Gravity I2C SD2405 RTC Module

The MAX31328 is a low-cost, extremely accurate, I2C real-time clock (RTC) with an integrated temperature-compensated crystal oscillator (TCXO) and crystal. The device incorporates a battery input and maintains accurate timekeeping when main power to the device is interrupted. The integration of the crystal resonator enhances the long-term accuracy of the device and eliminates the external crystal requirement in the system. The MAX31328 is available in a 10-pin LGA package.The RTC maintains seconds, minutes, hours, day, date, month, and year information. The date at the end of the month is automatically adjusted for months with fewer than 31 days, including corrections for leap year. The clock operates in either 24-hour or 12-hour format with an AM/PM indicator. Two programmable time-of-day alarms and a programmable square-wave output are provided. Address and data are transferred serially through an I2C bidirectional bus. A precision temperature-compensated voltage reference and comparator circuit monitors the status of VCC to detect power failures and automatically switch to the backup supply when necessary. Additionally, the active-low RST pin is monitored as a pushbutton input for generating a microprocessor reset.ApplicationsGlobal Positioning SystemPower MetersServersTelematics

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