AT24MAC402-XHM-T

Product Overview

Category

AT24MAC402-XHM-T belongs to the category of EEPROM (Electrically Erasable Programmable Read-Only Memory) chips.

Use

This product is primarily used for non-volatile data storage in various electronic devices, such as microcontrollers, sensors, and communication modules.

Characteristics

• Non-volatile memory: The AT24MAC402-XHM-T retains stored data even when power is removed.
• High storage capacity: This chip offers a storage capacity of 4 kilobits.
• I2C interface: It utilizes the I2C (Inter-Integrated Circuit) protocol for communication.
• Low power consumption: The AT24MAC402-XHM-T operates at low power levels, making it suitable for battery-powered devices.
• Extended temperature range: It can function reliably within a wide temperature range, from -40°C to +85°C.

Package

The AT24MAC402-XHM-T comes in a compact SOT23-5 package, which provides ease of integration into various circuit designs.

Essence

The essence of this product lies in its ability to store and retrieve data reliably, even in harsh environmental conditions, while consuming minimal power.

Packaging/Quantity

The AT24MAC402-XHM-T is typically packaged in reels, with each reel containing 3000 units.

Specifications

• Memory Capacity: 4 kilobits
• Interface: I2C
• Supply Voltage: 1.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: 100 years
• Write Endurance: 1 million cycles
• Package Type: SOT23-5

Detailed Pin Configuration

The AT24MAC402-XHM-T has five pins arranged as follows:

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1. VCC: Power supply pin.
2. GND: Ground pin.
3. SDA: Serial Data Line for I2C communication.
4. SCL: Serial Clock Line for I2C communication.
5. WP: Write Protect pin for write protection functionality.

Functional Features

• Read and write operations: The AT24MAC402-XHM-T allows users to read and write data to the memory array.
• Write protection: The WP pin can be used to enable or disable write protection, preventing accidental modification of stored data.
• Unique MAC address: This chip includes a globally unique MAC address, making it suitable for networked devices.
• Built-in security features: The AT24MAC402-XHM-T incorporates security measures such as a unique 64-bit serial number and a 16-byte one-time programmable (OTP) area.

Advantages and Disadvantages

Advantages

• High storage capacity for its compact size.
• Low power consumption, ideal for battery-powered devices.
• Wide operating temperature range ensures reliability in various environments.
• Built-in security features enhance data protection.

Disadvantages

• Limited storage capacity compared to other EEPROM chips available in the market.
• Requires an external microcontroller or interface to access and utilize the stored data effectively.

Working Principles

The AT24MAC402-XHM-T utilizes electrically erasable floating-gate transistors to store data. When writing data, an electrical charge is applied to the floating gate, altering the transistor's behavior. This change in behavior allows the stored data to be read back accurately. The I2C interface facilitates communication between the chip and the controlling device, enabling seamless data transfer.

Detailed Application Field Plans

The AT24MAC402-XHM-T finds applications in various fields, including:

1. Internet of Things (IoT) devices: The unique MAC address and built-in security features make it suitable for networked devices requiring secure data storage.
2. Industrial automation: This chip can be used in sensors, actuators, and control modules to store calibration data, configuration settings, and device-specific information.
3. Automotive electronics: The AT24MAC402-XHM-T can be employed in automotive systems for storing critical data such as vehicle identification numbers (VINs), mileage, and diagnostic information.

Detailed and Complete Alternative Models

1. AT24C02: This EEPROM chip offers a similar capacity of 2 kilobits and uses the I2C interface.
2. AT25010A: With a capacity of 1 kilobit, this chip is suitable for applications with lower memory requirements.
3. AT24CM02: This EEPROM chip provides a higher capacity of 16 kilobits, making it suitable for more data-intensive applications.

(Note: These alternative models are provided as examples and may not cover all available options.)

In conclusion, the AT24MAC402-XHM-T is a versatile EEPROM chip that combines high storage capacity, low power