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M41T81MX6 from ST,ST Microelectronics

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M41T81MX6

Manufacturer: ST

Serial Access Real-Time Clock with Alarms

Partnumber Manufacturer Quantity Availability
M41T81MX6 ST 100 In Stock

Description and Introduction

Serial Access Real-Time Clock with Alarms The M41T81MX6 is a real-time clock (RTC) manufactured by STMicroelectronics. Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** STMicroelectronics  
- **Part Number:** M41T81MX6  
- **Type:** Serial Real-Time Clock (RTC)  
- **Interface:** I²C (400 kHz)  
- **Supply Voltage Range:** 1.8V to 5.5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Timekeeping Current:** 400 nA (typical at 3V)  
- **Clock Accuracy:** ±5 ppm (at 25°C)  
- **Package:** SO-8 (150 mil)  

### **Descriptions:**
- The M41T81MX6 is a low-power serial RTC with an integrated 32.768 kHz oscillator.  
- It provides timekeeping functions including seconds, minutes, hours, day, date, month, and year (with leap year compensation up to 2099).  
- It includes a programmable alarm and watchdog timer.  
- The device operates over a wide voltage range, making it suitable for battery-backed applications.  

### **Features:**
- **Low Power Consumption:** Ultra-low standby current for battery-powered applications.  
- **I²C Interface:** Supports standard (100 kHz) and fast (400 kHz) modes.  
- **Battery Backup:** Automatic switchover to backup supply when main power fails.  
- **Alarm Function:** Programmable alarm with interrupt output.  
- **Watchdog Timer:** Configurable timeout period.  
- **Oscillator Compensation:** Built-in digital trimming for improved accuracy.  
- **Tamper Detection:** Optional timestamp feature for security applications.  

This information is strictly based on the manufacturer's specifications and datasheet.

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