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The RTM875N-606 is a high-precision real-time clock (RTC) module manufactured by REALTEK. Below are its key specifications, descriptions, and features:

Specifications:

• Manufacturer: REALTEK
• Model: RTM875N-606
• Type: Real-Time Clock (RTC) Module
• Interface: I²C (Inter-Integrated Circuit)
• Operating Voltage: 1.8V to 5.5V
• Timekeeping Accuracy: ±5 ppm (at 25°C)
• Clock Frequency: 32.768 kHz
• Temperature Range: -40°C to +85°C
• Backup Battery Support: Yes (for timekeeping during power loss)
• Package Type: Surface Mount (SMD)

Descriptions:

• The RTM875N-606 is a low-power RTC module designed for accurate timekeeping in embedded systems.
• It includes an integrated crystal oscillator for stable timekeeping.
• Supports battery backup to maintain time and date during power interruptions.
• Suitable for applications requiring precise timing, such as IoT devices, smart meters, and industrial controllers.

Features:

• Low Power Consumption: Optimized for battery-operated devices.
• Automatic Leap Year Compensation: Correctly adjusts for leap years.
• Alarm Function: Programmable alarm with interrupt output.
• Timekeeping Registers: Stores seconds, minutes, hours, day, date, month, and year.
• I²C Interface: Allows easy integration with microcontrollers.
• Small Form Factor: Compact design for space-constrained applications.

This information is based on publicly available specifications from REALTEK. For detailed technical documentation, refer to the official datasheet.