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M41T81M6F from STM,ST Microelectronics

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M41T81M6F

Manufacturer: STM

Serial Access Real-Time Clock with Alarms

Partnumber Manufacturer Quantity Availability
M41T81M6F STM 167 In Stock

Description and Introduction

Serial Access Real-Time Clock with Alarms The M41T81M6F is a serial real-time clock (RTC) manufactured by STMicroelectronics (STM). Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:  

### **Manufacturer:**  
STMicroelectronics (STM)  

### **Part Number:**  
M41T81M6F  

### **Description:**  
The M41T81M6F is a low-power serial real-time clock (RTC) with a built-in 32.768 kHz oscillator. It provides timekeeping functionality with battery backup support.  

### **Key Features:**  
- **Serial Interface:** I²C (400 kHz)  
- **Timekeeping Accuracy:** ±2 ppm (at 25°C)  
- **Operating Voltage:** 1.3V to 4.4V (main supply), 1.0V to 4.4V (battery backup)  
- **Low Power Consumption:**  
  - 400 nA in battery mode (typ.)  
  - 500 µA in active mode (typ.)  
- **Integrated Oscillator:** 32.768 kHz crystal  
- **Timekeeping Functions:**  
  - Seconds, minutes, hours, day, date, month, year (with leap year compensation up to 2099)  
- **Alarm Function:** Programmable alarm with interrupt output  
- **Watchdog Timer:** Configurable timeout period  
- **Square-Wave Output:** Programmable frequency (32.768 kHz to 1 Hz)  
- **Temperature Range:** -40°C to +85°C  
- **Package:** SOIC-8  

### **Applications:**  
- Consumer electronics  
- Industrial systems  
- Smart meters  
- Medical devices  
- Battery-backed timekeeping applications  

This information is strictly factual from the manufacturer's datasheet. Let me know if you need further details.

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