M41T93ZMY6F - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuit (IC)

Use: Real-Time Clock (RTC) with I2C interface

Characteristics: - Low power consumption - High accuracy timekeeping - Wide operating voltage range - Small package size - I2C bus interface for easy integration

Package: 8-pin SOIC (Small Outline Integrated Circuit)

Essence: The M41T93ZMY6F is a real-time clock IC designed to provide accurate timekeeping functionality in various electronic devices.

Packaging/Quantity: The M41T93ZMY6F is typically sold in reels containing 2500 units per reel.

Specifications

• Supply Voltage Range: 1.8V to 5.5V
• Timekeeping Accuracy: ±5 ppm at 25°C
• Operating Temperature Range: -40°C to +85°C
• I2C Bus Interface: Supports standard and fast mode (100 kHz and 400 kHz)
• Battery Backup: Integrated battery switchover circuitry for backup power supply
• Alarm Function: Programmable alarm with interrupt output
• Oscillator: Built-in 32.768 kHz quartz crystal oscillator
• Memory: 4 bytes of non-volatile EEPROM for user data storage

Pin Configuration

The M41T93ZMY6F has the following pin configuration:

___________ | | NC |1 8| VCC SDA|2 7| SCL GND|3 6| SQW/INT NC |4 5| VBAT |___________|

1. NC: No Connection
2. SDA: Serial Data Line (I2C)
3. GND: Ground
4. NC: No Connection
5. VBAT: Battery Backup Input
6. SQW/INT: Square Wave Output / Interrupt Output
7. SCL: Serial Clock Line (I2C)
8. VCC: Supply Voltage

Functional Features

• Accurate timekeeping with low power consumption
• I2C interface for easy integration into various systems
• Battery backup ensures timekeeping during power loss
• Programmable alarm with interrupt output for event-based triggering
• Square wave output for clock synchronization or general-purpose use
• Non-volatile EEPROM memory for user data storage

Advantages and Disadvantages

Advantages: - High accuracy timekeeping - Wide operating voltage range - Low power consumption - Small package size for space-constrained designs - Easy integration with I2C interface

Disadvantages: - Limited memory capacity (4 bytes)

Working Principles

The M41T93ZMY6F utilizes a built-in quartz crystal oscillator to generate a precise 32.768 kHz clock signal. This clock signal is used for timekeeping and can be divided to generate a square wave output. The IC communicates with the host system through the I2C bus, allowing for easy configuration and retrieval of time and date information. In case of a power loss, the integrated battery switchover circuitry ensures uninterrupted timekeeping using an external backup battery.

Detailed Application Field Plans

The M41T93ZMY6F is widely used in applications that require accurate timekeeping, such as:

1. Consumer Electronics: Smartphones, tablets, digital cameras, and portable media players.
2. Industrial Automation: Programmable logic controllers (PLCs), industrial control systems, and data loggers.
3. Automotive: Dashboard clocks, infotainment systems, and vehicle tracking devices.
4. Medical Devices: Patient monitoring systems, medical equipment, and wearable devices.
5. Internet of Things (IoT): Smart home automation, environmental sensors, and asset tracking.

Detailed and Complete Alternative Models

1. DS3231 - Real-Time Clock IC with I2C interface, higher timekeeping accuracy, and additional features.
2. PCF8563 - Real-Time Clock IC with I2C interface, low power consumption, and integrated alarm function.
3. MCP7940N - Real-Time Clock IC with I2C interface, battery backup, and non-volatile memory.

(Note: This list is not exhaustive and there are several other alternative models available in the market.)

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