M41T315V-85MH6E

Product Overview

Category

The M41T315V-85MH6E belongs to the category of real-time clock (RTC) integrated circuits.

Use

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

Characteristics

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

Package

The M41T315V-85MH6E is available in a compact surface mount package, making it suitable for space-constrained applications.

Essence

The essence of the M41T315V-85MH6E lies in its ability to provide accurate timekeeping and calendar functions with minimal power consumption.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

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: 2.0V to 5.5V
• Clock Output Frequency: 32.768kHz

Detailed Pin Configuration

The M41T315V-85MH6E has the following pin configuration:

1. VBAT - Battery Backup Input
2. GND - Ground
3. SDA - I2C Serial Data Line
4. SCL - I2C Serial Clock Line
5. SQW/INT - Square Wave Output / Interrupt Output
6. VCC - Supply Voltage

Functional Features

• Real-time clock with calendar functions
• Automatic leap year compensation
• Alarm functions with interrupt capability
• Battery backup for timekeeping during power loss
• Programmable square wave output

Advantages and Disadvantages

Advantages

• High accuracy timekeeping
• Low power consumption
• Compact form factor
• Wide operating voltage range
• Easy integration with I2C interface
• Battery backup ensures uninterrupted operation

Disadvantages

• Limited clock output frequency options
• Lack of additional advanced features

Working Principles

The M41T315V-85MH6E utilizes an internal oscillator to maintain accurate timekeeping. It synchronizes with an external crystal or resonator to ensure precise timing. The device communicates with the host microcontroller through the I2C interface, allowing for easy configuration and retrieval of time and date information.

During normal operation, the M41T315V-85MH6E draws power from the main supply. In the event of a power loss, the integrated battery backup system takes over, ensuring continuous timekeeping functionality.

Detailed Application Field Plans

The M41T315V-85MH6E finds applications in various electronic devices that require accurate timekeeping and calendar functions. 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, infotainment systems, and vehicle tracking devices.
4. Medical Devices: Patient monitoring systems, medical equipment timers, and drug dispensing machines.
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. DS1307 - Basic real-time clock module with I2C interface and battery backup.
4. MCP7940N - Real-time clock/calendar with SRAM, I2C interface, and battery backup.

These alternative models offer similar functionality to the M41T315V-85MH6E and can be considered based on specific application requirements.

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