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M41ST84WMQ6TR from ST,ST Microelectronics

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M41ST84WMQ6TR

Manufacturer: ST

512 Bit (64 X8) Serial RTC with Supervisory Functions

Partnumber Manufacturer Quantity Availability
M41ST84WMQ6TR ST 2155 In Stock

Description and Introduction

512 Bit (64 X8) Serial RTC with Supervisory Functions The M41ST84WMQ6TR is a real-time clock (RTC) and calendar IC manufactured by STMicroelectronics. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** STMicroelectronics  
- **Part Number:** M41ST84WMQ6TR  
- **Type:** Serial Real-Time Clock (RTC)  
- **Interface:** I²C (400 kHz)  
- **Supply Voltage:** 2.7V to 5.5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Timekeeping Current:** 400nA (typical at 3V)  
- **Package:** SOIC-16  

### **Descriptions:**
- The M41ST84WMQ6TR 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 functions.  
- Includes a programmable alarm and watchdog timer.  
- Features a built-in power-sense circuit for automatic switchover to backup supply.  

### **Features:**
- **Battery Backup:** Supports automatic switchover to a backup supply.  
- **Low Power Consumption:** Ultra-low standby current for battery-powered applications.  
- **Clock Accuracy:** ±5 ppm (typical) at 25°C.  
- **Memory:** 56 bytes of general-purpose SRAM.  
- **Alarm Function:** Programmable with interrupt output.  
- **Watchdog Timer:** Configurable timeout period.  
- **Tamper Detection:** Optional feature for security applications.  
- **RoHS Compliant:** Lead-free and environmentally friendly.  

This IC is commonly used in embedded systems, industrial controls, and consumer electronics requiring precise timekeeping.

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