The FM32276-G is a low-power, high-performance Real-Time Clock (RTC) from Ramtron. It integrates a crystal oscillator, RTC core, and SRAM in a single package, offering precise timekeeping and non-volatile storage in a compact form factor.

Applications:

• Data Loggers: Used to timestamp data entries, ensuring accurate time correlation in data logging applications.
• Industrial Automation: Integrated into industrial controllers and monitoring systems to provide precise time synchronization for process control and event logging.
• Smart Meters: Employed in smart meters to record energy consumption data with accurate timestamps for billing purposes.
• Medical Devices: Used in medical equipment to track patient monitoring data with high precision.
• Networking Equipment: Provides time synchronization for network devices, ensuring accurate log files and network communication.

Features:

• Integrated Crystal Oscillator: Incorporates a 32.768 kHz crystal oscillator for precise timekeeping.
• Real-Time Clock Core: Provides accurate timekeeping, including seconds, minutes, hours, day of the week, date, month, and year.
• SRAM: Includes integrated SRAM for storing configuration settings, user data, and temporary data.
• I2C Interface: Uses a two-wire I2C serial interface for easy communication with microcontrollers.
• Low Power Consumption: Designed for low-power operation, extending battery life in portable devices.

Benefits:

• Accurate Timekeeping: Provides highly accurate timekeeping, essential for applications requiring precise timing.
• Non-Volatile Storage: Integrated SRAM allows for storing data and configuration settings even when power is removed.
• Easy Integration: The I2C interface simplifies integration with microcontrollers and reduces the number of required I/O pins.
• Low Power Consumption: Low operating current and standby current minimize power consumption, making it suitable for battery-powered applications.
• Compact Package: Available in small surface-mount packages, saving valuable board space.

Additional Details:

The FM32276-G features an I2C interface supporting standard and fast modes. It often includes features like alarm interrupts and battery backup switching. The operating voltage is typically in the range of 2.7V to 5.5V. Operating temperature typically ranges from -40°C to +85°C. RoHS compliant.