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M41T83ZMY6F from STM,ST Microelectronics

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15.137ms

M41T83ZMY6F

Manufacturer: STM

Serial I2C bus real-time clock (RTC) with battery switch-over

Partnumber Manufacturer Quantity Availability
M41T83ZMY6F STM 875 In Stock

Description and Introduction

Serial I2C bus real-time clock (RTC) with battery switch-over The M41T83ZMY6F 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:** 1.3V to 4.4V  
- **Timekeeping Current:** 350nA (typical at 3V)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOIC-8  

### **Descriptions:**  
- Low-power RTC with a built-in 32.768 kHz oscillator.  
- Provides seconds, minutes, hours, day, date, month, and year information with automatic leap-year compensation.  
- Battery backup switchover for continuous timekeeping.  
- Programmable alarm and timer functions.  

### **Features:**  
- **Battery Backup:** Automatic switchover to battery supply when main power fails.  
- **Clock Accuracy:** ±5 ppm (±0.432 seconds/day) at 25°C.  
- **Low Power Consumption:** Ultra-low standby current for extended battery life.  
- **Alarm Function:** Configurable alarm with interrupt output.  
- **Tamper Detection:** Optional timestamp feature for power supply monitoring.  
- **Industrial-Grade:** Suitable for harsh environments.  

This RTC is commonly used in embedded systems, industrial applications, and consumer electronics requiring accurate timekeeping with minimal power consumption.

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