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M41ST85WMH6 from ST,ST Microelectronics

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M41ST85WMH6

Manufacturer: ST

512 Kbit (64 Bit x8) Serial Access RTC and NVRAM Supervisor

Partnumber Manufacturer Quantity Availability
M41ST85WMH6 ST 1628 In Stock

Description and Introduction

512 Kbit (64 Bit x8) Serial Access RTC and NVRAM Supervisor The M41ST85WMH6 is a serial real-time clock (RTC) manufactured by STMicroelectronics.  

### **Key Specifications:**  
- **Interface:** I²C (400 kHz)  
- **Operating Voltage:** 2.0V to 5.5V  
- **Timekeeping Current:** 400 nA (typical at 3V)  
- **Clock Accuracy:** ±5 ppm (±0.432 seconds/day) from 0°C to +40°C  
- **Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin SOIC  

### **Features:**  
- **Integrated 32.768 kHz Crystal**  
- **Counters for Seconds, Minutes, Hours, Day, Date, Month, Year (with leap year compensation up to 2099)**  
- **Programmable Alarm & Timer Functions**  
- **Battery Backup for Continuous Timekeeping**  
- **Power-Fail Detection Circuit**  
- **Industrial Temperature Range Support**  

### **Applications:**  
- Smart meters  
- Industrial automation  
- Consumer electronics  
- Medical devices  

This RTC is designed for low-power, high-accuracy timekeeping in embedded systems.

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