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M41ST84YMQ6E from STM,ST Microelectronics

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M41ST84YMQ6E

Manufacturer: STM

512 Bit (64 X8) Serial RTC with Supervisory Functions

Partnumber Manufacturer Quantity Availability
M41ST84YMQ6E STM 1500 In Stock

Description and Introduction

512 Bit (64 X8) Serial RTC with Supervisory Functions The M41ST84YMQ6E is a serial real-time clock (RTC) manufactured by STMicroelectronics (STM). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Interface:** I²C (400 kHz)
- **Operating Voltage:** 2.7V to 5.5V  
- **Timekeeping Current:** 400 µA (typical at 3V)  
- **Backup Current:** 1 µA (typical at 3V)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOIC-20  

### **Descriptions:**
- The M41ST84YMQ6E is a low-power serial RTC with an integrated 32.768 kHz oscillator.  
- It provides accurate timekeeping with seconds, minutes, hours, day, date, month, and year data.  
- Includes a built-in power-sense circuit for automatic switchover to backup supply.  
- Features a programmable alarm and watchdog timer.  

### **Features:**
- **Battery Backup:** Automatic switchover to battery supply when main power fails.  
- **Clock Accuracy:** ±5 ppm (at 25°C).  
- **Memory:** 128 bytes of non-volatile RAM (NV SRAM).  
- **Alarm Function:** Configurable for minute, hour, or day.  
- **Watchdog Timer:** Programmable timeout period.  
- **Leap Year Compensation:** Valid up to 2100.  

This device is commonly used in industrial, automotive, and consumer electronics for timekeeping and event scheduling.

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