Maxim Integrated DS3232SN Real-Time Clock

The DS3232SN is a precision, low-power, real-time clock (RTC) with an integrated temperature-compensated crystal oscillator (TCXO) and crystal from Maxim Integrated. Designed to provide accurate timekeeping with minimal power consumption, this device is ideal for a wide range of applications in consumer electronics, embedded systems, industrial control, and portable devices.

Featuring a built-in 32.768 kHz crystal, the DS3232SN ensures high stability and accuracy of timekeeping, which is crucial for applications that require precise time stamps or periodic wake-up from sleep modes. The integrated TCXO compensates for temperature fluctuations, maintaining time accuracy over a wide temperature range of -40°C to +85°C, making it suitable for harsh environments.

This RTC offers a variety of timekeeping functions, including seconds, minutes, hours, day, date, month, and year, with leap year compensation valid up to the year 2100. It also provides two programmable time-of-day alarms and a programmable square-wave output, adding to its versatility in system design.

The DS3232SN communicates via a simple I2C interface, making it easy to integrate into microcontroller-based systems. It also includes a battery backup input that allows the device to continue keeping time even when the main power is lost, ensuring reliable operation through power interruptions.

Encased in a compact 20-pin (300mil) SO package, the DS3232SN is designed for space-constrained applications. Its low power consumption and full operation from 2.3V to 5.5V supply voltage make it an energy-efficient solution for battery-powered devices.

Overall, the Maxim Integrated DS3232SN RTC is an excellent choice for designers looking for a reliable, high-precision timekeeping component that is easy to use and integrates seamlessly into a variety of electronic systems.

• High Stability and Accuracy
• Wide Temperature Range: -40°C to +85°C
• Leap Year Compensation
• Programmable Alarms and Output
• I2C Interface
• Battery Backup for Continuous Timekeeping
• Compact 20-Pin SO Package
• 2.3V to 5.5V Operation