M41T82SM6F

Product Overview

Category

M41T82SM6F belongs to the category of real-time clock (RTC) integrated circuits.

Use

It is primarily used for timekeeping and calendar functions in various electronic devices.

Characteristics

• High accuracy timekeeping
• Low power consumption
• Small form factor
• I2C interface for easy integration
• Wide operating voltage range

Package

M41T82SM6F is available in a small surface mount package, typically measuring 8mm x 6mm.

Essence

The essence of M41T82SM6F lies in its ability to provide accurate timekeeping and calendar functions with minimal power consumption.

Packaging/Quantity

The product is usually packaged in reels or tubes, with a typical quantity of 2500 units per reel.

Specifications

• Supply Voltage: 1.8V to 5.5V
• Timekeeping Accuracy: ±2ppm at 25°C
• Operating Temperature Range: -40°C to +85°C
• I2C Bus Frequency: Up to 400kHz
• Battery Backup Voltage: 1.3V to 5.5V

Detailed Pin Configuration

M41T82SM6F has a total of 8 pins:

1. VCC - Power supply input
2. GND - Ground connection
3. SDA - Serial data line for I2C communication
4. SCL - Serial clock line for I2C communication
5. SQW/INT - Square wave output or interrupt pin
6. VBAT - Battery backup input
7. NC - No connection
8. NC - No connection

Functional Features

• Real-time clock with seconds, minutes, hours, day, date, month, and year information
• Automatic leap year compensation
• Alarm and timer functions
• Battery backup for timekeeping during power loss
• Programmable square wave output

Advantages and Disadvantages

Advantages

• High accuracy timekeeping
• Low power consumption
• Small form factor for space-constrained applications
• Easy integration with I2C interface

Disadvantages

• Limited functionality compared to more advanced RTC ICs
• Lack of additional features such as temperature compensation

Working Principles

M41T82SM6F utilizes an internal oscillator to keep track of time. It communicates with the host microcontroller through the I2C bus, allowing the microcontroller to read and set the time and date information. The battery backup ensures that the clock continues to run even during power outages.

Detailed Application Field Plans

M41T82SM6F finds applications in various electronic devices where accurate timekeeping is essential. Some potential application fields include:

1. Consumer Electronics: Smartphones, tablets, digital cameras, and portable media players.
2. Industrial Automation: Programmable logic controllers (PLCs), data loggers, and industrial timers.
3. Automotive: Dashboard clocks, car audio systems, and navigation devices.
4. Medical Devices: Patient monitoring systems, medical equipment, and diagnostic devices.
5. Home Automation: Smart thermostats, security systems, and energy management devices.

Detailed and Complete Alternative Models

1. DS3231 - Real-time clock module with temperature compensation and alarm functions.
2. PCF8563 - Low-power real-time clock with I2C interface and battery backup.
3. MCP7940N - Real-time clock/calendar with SRAM and battery switchover.

These alternative models offer similar functionalities to M41T82SM6F and can be considered based on specific requirements.

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