| << Click to Display Table of Contents >> aMG High Precision RTC |     | 
| 1. | Based on Maxim DS3231 Extremely Accurate RTC Chip | 
| Accuracy ±2ppm from 0°C to +40°C | 
| Accuracy ±3.5ppm from -40°C to +85°C | 
| Battery Backup Input for Continuous Timekeeping | 
| Industrial Operating Temperature Ranges: -40°C to +85°C (DS3231SN) | 
| Low-Power Consumption | 
| Real-Time Clock Counts Seconds, Minutes,Hours, Day, Date, Month, and Year with Leap YearCompensation Valid Up to 2100 | 
| Two Time-of-Day Alarms | 
| Programmable Square-Wave Output | 
| Fast (400kHz) I2C Interface | 
| 3.3V Operation | 
| Digital Temp Sensor Output: ±3°C Accuracy | 
| Register for Aging Trim | 
| RST Output/Pushbutton Reset Debounce Input | 
| Underwriters Laboratories (UL) Recognized | 
| 2. | aMG High Precision RTC module ships with button battery holder and right angle pin header. However, these are not soldered just in case user need different configurations. | 
| 3. | Battery is not included in the package. | 
4. ROHS Compliant
| 1. | Extremely accurate real - time clock for remote monitoring system under adverse condition | 
| 2. | Generic Real-Time Clock module |