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M41T80M6TR from STM,ST Microelectronics

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M41T80M6TR

Manufacturer: STM

Serial Access RTC with Alarms

Partnumber Manufacturer Quantity Availability
M41T80M6TR STM 550 In Stock

Description and Introduction

Serial Access RTC with Alarms The M41T80M6TR is a serial real-time clock (RTC) manufactured by STMicroelectronics (STM). Below are the specifications, descriptions, and features based on the available knowledge base:

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

### **Part Number:**  
M41T80M6TR  

### **Description:**  
The M41T80M6TR is a low-power serial real-time clock (RTC) with a built-in 32.768 kHz oscillator. It provides accurate timekeeping and calendar functions with battery backup support.  

### **Key Features:**  
- **Timekeeping Functions:**  
  - Seconds, minutes, hours, day, date, month, year (with leap year compensation up to 2099).  
  - 12-hour or 24-hour format selectable.  

- **Low Power Consumption:**  
  - Ultra-low battery current (typically 400 nA at 3V).  

- **Memory:**  
  - 56 bytes of general-purpose NVRAM.  

- **Interface:**  
  - I²C serial interface (400 kHz max).  

- **Supply Voltage:**  
  - Main supply: 1.8V to 5.5V.  
  - Battery backup: 1.3V to 5.5V.  

- **Oscillator:**  
  - Integrated 32.768 kHz crystal oscillator.  
  - Automatic power-fail detection and switch to battery backup.  

- **Additional Features:**  
  - Programmable alarm and timer functions.  
  - Power-on reset (POR) function.  
  - Industrial temperature range: -40°C to +85°C.  

### **Package:**  
- **SO8 (150 mil) package.**  

### **Applications:**  
- Smart meters, industrial systems, medical devices, consumer electronics, and battery-backed timekeeping applications.  

This information is strictly based on the manufacturer’s datasheet and technical documentation.

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