The ISL12022MIBZ-T7A is an advanced real-time clock (RTC) IC component developed by Renesas Electronics. It offers accurate timekeeping and a wide range of features suitable for various applications. Here is a brief overview of its key features:
1. Accurate Timekeeping: The ISL12022MIBZ-T7A utilizes a highly precise integrated crystal oscillator, ensuring accurate timekeeping with low ±5ppm drift over the industrial temperature range.
2. I²C Interface: The component interfaces with the external microcontroller or system through the popular I²C protocol. This standard two-wire serial bus communication simplifies integration and allows for easy control and configuration.
3. Programmable Alarms: The IC supports four independent alarms that provide flexibility in scheduling system operations or generating time-based interrupts. Each alarm can be programmed for specific dates, weekdays, months, or hours.
4. Square-Wave Outputs: It features two programmable square-wave outputs with selectable frequencies ranging from 32.768kHz to 1Hz. These outputs can be utilized for various timing applications or as system clock sources.
5. Battery Backup: The ISL12022MIBZ-T7A offers a built-in battery backup power supply. This backup circuit ensures continuous timekeeping and operation during power loss or system shutdown, making it an ideal choice for applications that demand persistent timekeeping even in the absence of main power
