M41T00SM6E

Product Overview

• Category: Integrated Circuit (IC)
• Use: Real-Time Clock (RTC)
• Characteristics: Low-power, I2C interface, battery backup, 32.768 kHz crystal oscillator
• Package: SOIC-8 (Small Outline Integrated Circuit), surface mount
• Essence: Accurate timekeeping and calendar functions
• Packaging/Quantity: Tape and reel packaging, 2500 units per reel

Specifications

• Supply Voltage: 1.8V to 5.5V
• Timekeeping Current: 400 nA (typical)
• Operating Temperature Range: -40°C to +85°C
• Accuracy: ±2 ppm (parts per million) at 25°C
• I2C Bus Interface: Supports Standard (100 kHz) and Fast (400 kHz) modes

Detailed Pin Configuration

The M41T00SM6E has a total of 8 pins in the SOIC-8 package:

1. VBAT: Battery input for backup power
2. GND: Ground connection
3. SDA: Serial Data Line for I2C communication
4. SCL: Serial Clock Line for I2C communication
5. NC: No Connection
6. SQW/OUT: Square Wave Output or Alarm Interrupt Output
7. VCC: Power supply input
8. NC: No Connection

Functional Features

• Real-time clock with seconds, minutes, hours, day, date, month, and year information
• Automatic leap year compensation
• Programmable alarm with interrupt capability
• Battery backup for continuous timekeeping during power loss
• 32.768 kHz crystal oscillator for accurate timekeeping

Advantages and Disadvantages

Advantages: - Low power consumption - Wide operating voltage range - Small form factor and surface mount package - Accurate timekeeping with low ppm deviation

Disadvantages: - Limited functionality compared to more advanced RTCs - Lack of non-volatile memory for additional data storage

Working Principles

The M41T00SM6E utilizes a 32.768 kHz crystal oscillator to generate accurate timekeeping signals. It communicates with the host microcontroller or system through the I2C bus interface, allowing for easy integration into various applications. The IC can be powered by a supply voltage or a backup battery, ensuring continuous timekeeping even during power outages.

Detailed Application Field Plans

The M41T00SM6E is commonly used in applications that require precise timekeeping and calendar functions. Some potential application fields include:

1. Consumer Electronics: Clocks, watches, and timers
2. Industrial Automation: Programmable logic controllers (PLCs), data loggers
3. Automotive: Dashboard clocks, event recorders
4. Medical Devices: Patient monitoring systems, infusion pumps
5. Security Systems: Access control panels, surveillance cameras

Detailed and Complete Alternative Models

1. DS1307: Real-Time Clock IC with I2C interface, similar features to M41T00SM6E
2. PCF8563: Low-power Real-Time Clock IC with I2C interface, battery backup
3. MCP7940N: I2C Real-Time Clock/calendar with SRAM, alarm, and timer functions

These alternative models offer similar functionalities and can be considered as substitutes for the M41T00SM6E in different applications.

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