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M41T56M from ST,ST Microelectronics

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M41T56M

Manufacturer: ST

512 bit 64b x8 Serial Access TIMEKEEPER SRAM

Partnumber Manufacturer Quantity Availability
M41T56M ST 109 In Stock

Description and Introduction

512 bit 64b x8 Serial Access TIMEKEEPER SRAM The M41T56M 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)  
- **Operating Voltage**: 1.3V to 4.4V  
- **Timekeeping Current**: 350nA (typical at 3V)  
- **Clock Accuracy**: ±5ppm (±0.432 seconds/day) from 0°C to +60°C  
- **Temperature Range**: -40°C to +85°C  
- **Package**: SO8 (150mil)  
- **Memory**: 56 bytes of general-purpose SRAM  
- **Battery Backup**: Automatic switchover to battery when primary power fails  
- **Alarms**: Two programmable alarms  
- **Oscillator Compensation**: Automatic digital trimming  

### **Descriptions**:  
The M41T56M is a low-power serial real-time clock with an integrated 32.768 kHz oscillator. It provides accurate timekeeping with battery backup support, making it suitable for applications requiring reliable RTC functionality.  

### **Features**:  
- **Low Power Consumption**: Ultra-low current in battery mode.  
- **I²C Interface**: Supports standard (100 kHz) and fast (400 kHz) modes.  
- **Battery Backup**: Seamless switchover to backup supply.  
- **Digital Trimming**: Adjusts oscillator frequency for improved accuracy.  
- **Alarm Functionality**: Two alarms with interrupt capability.  
- **Power Management**: Includes a programmable watchdog timer and timestamp function.  
- **Wide Voltage Range**: Operates from 1.3V to 4.4V, supporting various power sources.  

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

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