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M41T80M6F from STMicroelectronics,ST Microelectronics

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M41T80M6F

Manufacturer: STMicroelectronics

Serial Access RTC with Alarms

Partnumber Manufacturer Quantity Availability
M41T80M6F STMicroelectronics 164950 In Stock

Description and Introduction

Serial Access RTC with Alarms The M41T80M6F is a serial real-time clock (RTC) manufactured by STMicroelectronics. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Supply Voltage:** 2.0V to 5.5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Timekeeping Current:** 400nA (typical at 3V)  
- **Interface:** I²C (400kHz)  
- **Clock Accuracy:** ±5ppm (±0.432 seconds/day) from 0°C to +60°C  
- **Package:** SO8 (150mil)  

### **Descriptions:**
- The M41T80M6F is a low-power serial RTC with an integrated 32.768kHz oscillator.  
- It provides timekeeping functions (seconds, minutes, hours, day, date, month, year) with leap-year compensation up to 2099.  
- Features a built-in power-sense circuit for automatic switchover to backup supply (battery or supercapacitor).  
- Includes alarm, watchdog timer, and timestamp functions.  

### **Features:**
- **Ultra-Low Power Consumption:** Ideal for battery-backed applications.  
- **Battery Backup:** Automatic switchover to backup supply.  
- **Programmable Alarm & Interrupt:** Configurable for time/date-based triggers.  
- **Watchdog Timer:** Reset function for system monitoring.  
- **Timestamp Function:** Records power-up/down events.  
- **Oscillator Stability:** High accuracy over temperature variations.  

This device is commonly used in embedded systems, industrial controls, meters, and IoT applications requiring precise timekeeping.

Application Scenarios & Design Considerations

Serial Access RTC with Alarms
Partnumber Manufacturer Quantity Availability
M41T80M6F ST 5200 In Stock

Description and Introduction

Serial Access RTC with Alarms The M41T80M6F is a serial real-time clock (RTC) manufactured by STMicroelectronics. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Manufacturer:**  
STMicroelectronics  

### **Specifications:**  
- **Interface:** I²C (400 kHz)  
- **Supply Voltage:** 1.3V to 4.4V  
- **Timekeeping Current:** 350 nA (typical at 3V)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SO8 (150 mil)  

### **Descriptions:**  
- Low-power serial RTC with a built-in 32.768 kHz oscillator.  
- Provides seconds, minutes, hours, day, date, month, and year information.  
- Automatic leap year compensation (up to year 2099).  
- Battery backup switchover for continuous timekeeping.  

### **Features:**  
- **Low Power Consumption:** Ultra-low battery current for extended operation.  
- **I²C Interface:** Supports standard (100 kHz) and fast (400 kHz) modes.  
- **Programmable Alarm & Timer:** Configurable interrupt output.  
- **Clock Output:** Selectable frequencies (32.768 kHz, 1 Hz, etc.).  
- **Battery Backup:** Automatic switchover to backup supply.  
- **Tamper Detection:** Optional feature for security applications.  

This information is based solely on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

Serial Access RTC with Alarms

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