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M41T83RMY6E from ST,ST Microelectronics

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M41T83RMY6E

Manufacturer: ST

Serial I2C bus RTC with battery switchover

Partnumber Manufacturer Quantity Availability
M41T83RMY6E ST 277 In Stock

Description and Introduction

Serial I2C bus RTC with battery switchover The M41T83RMY6E is a real-time clock (RTC) manufactured by STMicroelectronics (ST). Below are the factual details from Ic-phoenix technical data files:

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

### **Specifications:**  
- **Interface:** I²C (400 kHz)  
- **Timekeeping Accuracy:** ±2 ppm (±0.1728 seconds/day) from 0°C to +40°C  
- **Operating Voltage:** 1.3V to 4.4V  
- **Low Battery Operation:** Down to 1.0V  
- **Clock Frequency:** 32.768 kHz  
- **Timekeeping Current:** 400 nA (typical at 3V)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SO8 (8-pin Small Outline)  

### **Descriptions:**  
- The M41T83RMY6E is a low-power serial real-time clock with a built-in 32.768 kHz oscillator.  
- It provides seconds, minutes, hours, day, date, month, and year information with automatic leap-year compensation.  
- Features a programmable alarm and timer functions.  
- Includes a power-fail detection circuit and switchover circuitry for backup battery operation.  

### **Features:**  
- **Battery Backup:** Automatic switchover to backup supply.  
- **Alarm Function:** Programmable with interrupt output.  
- **Low Power Consumption:** Optimized for battery-powered applications.  
- **I²C Interface:** Supports standard (100 kHz) and fast (400 kHz) modes.  
- **Tamper Detection:** Optional feature for security applications.  
- **Industrial Temperature Range:** Suitable for harsh environments.  

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

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