The DS3231 is a highly accurate I2C real-time clock (RTC) IC designed to provide precise timekeeping in various electronic applications. It is packaged in a compact SMD package, making it ideal for integration into space-constrained designs. The DS3231 integrates a temperature-compensated crystal oscillator (TCXO) and crystal, ensuring high accuracy and stability over a wide range of conditions.

DS3231 IC Specifications:

• IC Type: Real Time Clock (RTC)
• Package Type: SMD
• Package Size: 16 Pins
• Operating Voltage: 2.3 V to 5.5 V
• Timekeeping Accuracy: ±2 ppm from 0°C to +40°C
• Interface: I2C
• Backup Battery Voltage: 2.3 V to 3.7 V
• Operating Temperature Range: -40°C to +85°C

DS3231 RTC IC Pin Configuration:

1. 32kHz: 32.768 kHz output (optional)
2. VCC: Main power supply
3. SCL: Serial Clock input
4. SDA: Serial Data input/output
5. GND: Ground
6. V_BAT: Backup battery supply
7. INT/SQW: Interrupt or square-wave output
8. RST: Reset input
9. NC: No Connection
10. NC: No Connection
11. NC: No Connection
12. NC: No Connection
13. NC: No Connection
14. NC: No Connection
15. NC: No Connection
16. NC: No Connection

Features:

• Integrated TCXO and crystal for high accuracy
• Battery backup for continuous timekeeping
• I2C interface for easy communication
• Programmable square-wave output
• Low power consumption
• Compact SMD package for space efficiency

Applications:

• Timekeeping in consumer electronics
• Data loggers
• Industrial automation
• Portable and battery-powered devices

Package Includes:

1 x DS3231 I2C Real Time Clock (RTC) IC (SOP-16 SMD Package)