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DS3231M+

Manufacturer: N/A

±5ppm, I2C Real-Time Clock

Partnumber Manufacturer Quantity Availability
DS3231M+ N/A 2500 In Stock

Description and Introduction

±5ppm, I2C Real-Time Clock The DS3231M+ is a real-time clock (RTC) module with the following specifications:  

- **Manufacturer**: N/A (not specified in Ic-phoenix technical data files)  
- **Interface**: I²C (Inter-Integrated Circuit)  
- **Accuracy**: ±5 ppm from 0°C to +40°C (±2 ppm from -40°C to +85°C)  
- **Operating Voltage**: 2.3V to 5.5V  
- **Temperature Range**: -40°C to +85°C  
- **Timekeeping Current**: 200nA (typical)  
- **Clock Output**: Programmable square-wave output (1Hz, 4kHz, 8kHz, 32kHz)  
- **Battery Backup**: Supports CR2032 battery for power loss protection  
- **Alarms**: Two time-of-day alarms  
- **Package**: 16-pin SOIC (150mil)  

The module does not require external crystal or resonator for timekeeping.

Partnumber Manufacturer Quantity Availability
DS3231M+,DS3231M MAXIM 9655 In Stock

Description and Introduction

±5ppm, I2C Real-Time Clock The DS3231M+ is a highly accurate real-time clock (RTC) manufactured by Maxim Integrated (now part of Analog Devices).  

### **Key Specifications:**  
- **Accuracy:** ±5ppm (±0.432 seconds/day) from 0°C to +40°C  
- **Temperature Range:** -40°C to +85°C  
- **Supply Voltage:** 2.3V to 5.5V  
- **Current Consumption:**  
  - 200µA (typical) in active mode  
  - 1µA (typical) in battery backup mode  
- **Interface:** I²C (400kHz max)  
- **Integrated Crystal:** Yes (compensates for crystal frequency drift)  
- **Battery Backup:** Supports continuous timekeeping when main power fails  
- **Alarms:** Two time-of-day alarms  
- **Square-Wave Output:** Programmable (1Hz, 1.024kHz, 4.096kHz, 8.192kHz)  
- **Package:** 16-pin SO (150mil)  

### **Additional Features:**  
- Automatic leap-year compensation  
- Counts seconds, minutes, hours, day, date, month, and year  
- Digital temperature sensor (±3°C accuracy)  

The DS3231M+ is commonly used in applications requiring precise timekeeping, such as data loggers, medical devices, and industrial systems.

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