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M41ST84WMQ6F from ST,ST Microelectronics

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M41ST84WMQ6F

Manufacturer: ST

512 Bit (64 X8) Serial RTC with Supervisory Functions

Partnumber Manufacturer Quantity Availability
M41ST84WMQ6F ST 3650 In Stock

Description and Introduction

512 Bit (64 X8) Serial RTC with Supervisory Functions The M41ST84WMQ6F is a real-time clock (RTC) manufactured by STMicroelectronics. Below are the key specifications, descriptions, and features:

### **Manufacturer:**  
STMicroelectronics  

### **Specifications:**  
- **Interface:** I²C (400 kHz)  
- **Operating Voltage:** 1.8V to 5.5V  
- **Timekeeping Current:** 400nA (typical) at 3V  
- **Clock Accuracy:** ±5ppm (±0.432 seconds/day) at 25°C  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-SOIC (150 mil)  

### **Descriptions:**  
- The M41ST84WMQ6F is a low-power serial real-time clock with a built-in 32.768 kHz oscillator.  
- It provides timekeeping functions (seconds, minutes, hours, day, date, month, year) with leap-year compensation up to 2099.  
- Includes a programmable alarm and watchdog timer.  
- Features a power-fail timestamp and battery switchover for backup operation.  

### **Features:**  
- **Low Power Consumption:** Ultra-low standby current for battery-backed applications.  
- **Integrated Oscillator:** No external crystal tuning required.  
- **Battery Backup:** Automatic switchover to backup supply.  
- **Tamper Detection:** Timestamp for power supply monitoring.  
- **Industrial Temperature Range:** Suitable for harsh environments.  

For detailed datasheets, refer to STMicroelectronics' official documentation.

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