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M41ST85WMH6E from ST,ST Microelectronics

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M41ST85WMH6E

Manufacturer: ST

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

Partnumber Manufacturer Quantity Availability
M41ST85WMH6E ST 215 In Stock

Description and Introduction

512 Kbit (64 Bit x8) Serial Access RTC and NVRAM Supervisor The M41ST85WMH6E is a serial real-time clock (RTC) manufactured by STMicroelectronics. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Manufacturer:**  
STMicroelectronics  

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

### **Descriptions:**  
- The M41ST85WMH6E is a low-power serial RTC with an integrated 32.768 kHz oscillator.  
- It provides timekeeping (seconds, minutes, hours, day, date, month, year) with leap-year compensation up to 2099.  
- Includes a programmable alarm and watchdog timer.  
- Features a built-in power sense circuit for automatic switchover to backup supply.  

### **Features:**  
- **Battery Backup:** Operates from a backup supply when main power fails.  
- **Low Power Consumption:** Ultra-low standby current for extended battery life.  
- **Tamper Detection:** Supports timestamping on external events.  
- **EEPROM:** 2 Kbit (256 x 8) of non-volatile memory.  
- **Industrial-Grade:** Reliable performance in harsh environments.  

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

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