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M41ST84WMQ6E from ST,ST Microelectronics

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M41ST84WMQ6E

Manufacturer: ST

512 Bit (64 X8) Serial RTC with Supervisory Functions

Partnumber Manufacturer Quantity Availability
M41ST84WMQ6E ST 2500 In Stock

Description and Introduction

512 Bit (64 X8) Serial RTC with Supervisory Functions The M41ST84WMQ6E is a serial real-time clock (RTC) manufactured by STMicroelectronics. Below are its key specifications, descriptions, and features:

### **Manufacturer:**  
STMicroelectronics  

### **Specifications:**  
- **Interface:** I²C (400 kHz)  
- **Supply Voltage:** 2.7V to 5.5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Timekeeping Current:** 400 µA (typical)  
- **Backup Supply Voltage:** 1.3V to 5.5V  
- **Clock Accuracy:** ±5 ppm (at 25°C)  
- **Package:** 20-pin SOIC  

### **Descriptions:**  
- **Real-Time Clock (RTC):** Provides seconds, minutes, hours, day, date, month, and year with leap-year compensation.  
- **Non-Volatile SRAM:** 4 Kbit (512 x 8) of battery-backed SRAM for data storage.  
- **Alarm Function:** Programmable alarm with interrupt capability.  
- **Watchdog Timer:** Configurable watchdog timer with reset or interrupt output.  
- **Power Management:** Automatic switch to backup supply on main power failure.  

### **Features:**  
- Low power consumption in battery backup mode.  
- Battery backup switchover circuitry.  
- Programmable square wave output.  
- Industrial temperature range support.  
- RoHS-compliant.  

This device is commonly used in applications requiring accurate timekeeping and data retention, such as industrial systems, medical devices, and consumer electronics.  

Would you like additional details on any specific aspect?

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