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M41ST85WMH6TR from STM,ST Microelectronics

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M41ST85WMH6TR

Manufacturer: STM

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

Partnumber Manufacturer Quantity Availability
M41ST85WMH6TR STM 5616 In Stock

Description and Introduction

512 Kbit (64 Bit x8) Serial Access RTC and NVRAM Supervisor The M41ST85WMH6TR is a serial real-time clock (RTC) manufactured by STMicroelectronics (STM).  

### **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  
- **Temperature Range:** -40°C to +85°C  
- **Package:** 8-SOIC (150 mil)  

### **Descriptions:**  
- Low-power RTC with embedded 32.768 kHz oscillator  
- Provides seconds, minutes, hours, day, date, month, and year (with leap year correction)  
- Battery backup switchover circuitry  
- Programmable alarm and timer functions  
- 56 bytes of general-purpose SRAM  

### **Features:**  
- **Battery Backup:** Automatic switchover to battery supply  
- **Alarm Function:** Configurable for seconds to months  
- **Watchdog Timer:** Programmable timeout period  
- **Power Management:** Ultra-low power consumption  
- **Tamper Detection:** Optional feature for security applications  

This device is commonly used in embedded systems, industrial applications, and consumer electronics requiring accurate timekeeping.

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