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M41T0 from ST,ST Microelectronics

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M41T0

Manufacturer: ST

SERIAL REAL-TIME CLOCK

Partnumber Manufacturer Quantity Availability
M41T0 ST 1298 In Stock

Description and Introduction

SERIAL REAL-TIME CLOCK The M41T0 is a serial real-time clock (RTC) manufactured by STMicroelectronics. Below are the key specifications, descriptions, and features:

### **Manufacturer:**  
STMicroelectronics (ST)  

### **Specifications:**  
- **Interface:** I²C (Inter-Integrated Circuit)  
- **Supply Voltage:** 2.7V to 5.5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Timekeeping Accuracy:** ±2ppm (at 25°C)  
- **Clock Frequency:** 32.768 kHz  
- **Battery Backup Voltage:** 1.3V to 5.5V  
- **Low Power Consumption:** Typically 400nA in battery mode  
- **Package:** 8-pin SOIC (150mil)  

### **Descriptions:**  
- The M41T0 is a low-power serial RTC with a built-in 32.768 kHz oscillator.  
- It provides timekeeping functions including seconds, minutes, hours, day, date, month, and year (with leap year compensation up to 2099).  
- The device includes automatic power-fail detection and switch circuitry for backup battery operation.  

### **Features:**  
- **Battery Backup Operation:** Seamless switch to battery when main power fails.  
- **I²C Bus Interface:** Supports standard (100 kHz) and fast (400 kHz) modes.  
- **Programmable Alarm & Timer:** Configurable interrupt output.  
- **Power Management:** Ultra-low power consumption in battery mode.  
- **Industrial Temperature Range:** Suitable for harsh environments.  
- **Small Form Factor:** 8-pin SOIC package for space-constrained applications.  

For detailed datasheets or further technical information, refer to STMicroelectronics' official documentation.

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