M41ST87WSS6F - English Editing Encyclopedia Entry

Product Overview

Category

M41ST87WSS6F 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

• Reliable and accurate timekeeping
• Low power consumption
• Wide operating voltage range
• Small form factor
• High integration with additional features

Package

M41ST87WSS6F is available in a compact surface-mount package, ensuring easy integration into electronic systems.

Essence

The essence of M41ST87WSS6F lies in its ability to provide precise timekeeping functionality while consuming minimal power.

Packaging/Quantity

This product is typically packaged in reels or tubes, with each containing a specific quantity of M41ST87WSS6F units.

Specifications

• Operating Voltage: 1.8V to 5.5V
• Timekeeping Accuracy: ±2 ppm at 25°C
• Operating Temperature Range: -40°C to +85°C
• Supply Current: 450 nA (typical)
• Memory: 64 bytes of Non-Volatile RAM (NVRAM)
• Interface: I2C bus

Detailed Pin Configuration

The M41ST87WSS6F RTC IC has the following pin configuration:

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

Functional Features

• Real-time clock with calendar functionality
• Alarm and timer functions
• Battery backup for continuous operation during power loss
• Automatic leap year compensation
• Programmable square wave output
• Interrupt output for time-sensitive applications

Advantages and Disadvantages

Advantages

• High accuracy timekeeping
• Low power consumption
• Compact form factor
• Wide operating voltage range
• Integrated features for enhanced functionality

Disadvantages

• Limited non-volatile memory capacity (64 bytes)
• Reliance on an external backup power supply

Working Principles

M41ST87WSS6F utilizes a quartz crystal oscillator to maintain accurate timekeeping. It operates by counting the oscillations of the crystal, converting them into seconds, minutes, hours, days, months, and years. The integrated circuit also includes a battery backup system to ensure uninterrupted operation during power outages.

Detailed Application Field Plans

The M41ST87WSS6F RTC IC finds applications in various electronic devices, including but not limited to:

1. Smartwatches and wearable devices
2. Industrial automation systems
3. Automotive electronics
4. Medical equipment
5. Home appliances
6. Internet of Things (IoT) devices

Detailed and Complete Alternative Models

1. DS3231 - Real-Time Clock Module with I2C Interface
2. PCF8563 - Ultra-Low Power Real-Time Clock Module
3. MCP7940N - Battery-Backed Real-Time Clock/Calendar

These alternative models offer similar functionality to the M41ST87WSS6F and can be considered as alternatives based on specific requirements.

In conclusion, the M41ST87WSS6F RTC IC is a reliable and accurate timekeeping solution suitable for a wide range of electronic devices. Its low power consumption, compact size, and integrated features make it a popular choice among designers and engineers in various industries.

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