M41T56C64MY6E

Product Overview

• Category: Integrated Circuit (IC)
• Use: Real-Time Clock (RTC) with Serial Interface
• Characteristics:
  • Low-power operation
  • High accuracy timekeeping
  • Serial interface for easy integration
  • Non-volatile memory for data storage
• Package: 8-pin SOIC (Small Outline Integrated Circuit)
• Essence: Accurate real-time clock IC with non-volatile memory
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage: 1.8V to 5.5V
• Timekeeping Accuracy: ±2ppm at 25°C
• Operating Temperature Range: -40°C to +85°C
• Memory Size: 64Kbits (8192 x 8 bits)
• Serial Interface: I²C (Inter-Integrated Circuit)
• Clock Frequency: Up to 400kHz
• Battery Backup Voltage: 1.3V to 5.5V

Detailed Pin Configuration

The M41T56C64MY6E has the following pin configuration:

1. VCC - Power supply voltage
2. GND - Ground reference
3. SDA - Serial Data Line for I²C communication
4. SCL - Serial Clock Line for I²C communication
5. NC - No Connection (reserved for future use)
6. WP - Write Protect pin for memory protection
7. VBAT - Battery backup voltage input
8. SQW/OUT - Square Wave Output or Alarm Interrupt Output

Functional Features

• Real-time clock with calendar functionality
• Automatic leap year compensation
• Alarm and timer functions
• Programmable square wave output
• Battery backup for continuous timekeeping during power loss
• Non-volatile memory for data storage
• Write protection feature to prevent accidental modification

Advantages and Disadvantages

Advantages: - High accuracy timekeeping - Low-power operation - Easy integration with serial interface - Battery backup ensures uninterrupted timekeeping - Non-volatile memory for data storage

Disadvantages: - Limited memory size (64Kbits) - Requires an external battery for backup

Working Principles

The M41T56C64MY6E is based on a crystal oscillator that provides accurate timekeeping. It uses the I²C serial interface to communicate with a microcontroller or other devices. The IC has a built-in non-volatile memory that can store important data, such as time, date, and alarm settings. During power loss, a backup battery powers the IC, ensuring continuous timekeeping.

Detailed Application Field Plans

The M41T56C64MY6E is widely used in various applications, including:

1. Consumer Electronics: Used in digital clocks, watches, and home appliances.
2. Industrial Automation: Integrated into control systems for accurate time synchronization.
3. Automotive: Incorporated in car dashboards for real-time clock functionality.
4. Medical Devices: Utilized in medical equipment that requires precise timekeeping.
5. IoT (Internet of Things): Integrated into IoT devices for time-sensitive operations.

Detailed and Complete Alternative Models

1. DS3231 - Real-Time Clock IC with I²C interface, higher timekeeping accuracy.
2. PCF8563 - Real-Time Clock IC with I²C interface, lower power consumption.
3. DS1307 - Real-Time Clock IC with I²C interface, lower cost option.

These alternative models offer similar functionality and can be considered as alternatives to the M41T56C64MY6E based on specific requirements.

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