AT24C04D-XHM-T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Non-volatile Electrically Erasable Programmable Read-Only Memory (EEPROM)
• Characteristics:
  • Low power consumption
  • High reliability
  • Small package size
  • Wide operating voltage range
• Package: XHM-T package
• Essence: AT24C04D-XHM-T is a 4-kilobit EEPROM IC designed for non-volatile storage of data in various electronic devices.
• Packaging/Quantity: Available in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

• Memory Size: 4 kilobits (512 bytes)
• Operating Voltage Range: 1.7V to 5.5V
• Maximum Clock Frequency: 1 MHz
• Write Cycle Time: 5 ms (maximum)
• Data Retention: 100 years (minimum)
• Endurance: 1 million write cycles (minimum)

Detailed Pin Configuration

The AT24C04D-XHM-T IC has the following pin configuration:

1. A0: Address Input
2. A1: Address Input
3. A2: Address Input
4. GND: Ground
5. SDA: Serial Data Input/Output
6. SCL: Serial Clock Input
7. WP: Write Protect
8. VCC: Power Supply

Functional Features

• I2C-Compatible Interface: The AT24C04D-XHM-T supports the I2C communication protocol, allowing easy integration into existing systems.
• Byte and Page Write Operations: It enables both byte-level and page-level write operations, providing flexibility in storing and updating data.
• Software Write Protection: The WP pin can be used to protect the memory from accidental writes by software control.
• Self-Timed Write Cycle: The IC automatically manages the write cycle timing, simplifying the programming process.

Advantages and Disadvantages

Advantages: - Low power consumption makes it suitable for battery-powered devices. - High reliability ensures data integrity over extended periods. - Small package size saves board space in compact designs. - Wide operating voltage range allows compatibility with various systems.

Disadvantages: - Limited memory size may not be sufficient for applications requiring larger storage capacity. - Slower write cycle time compared to some other EEPROMs. - Lack of built-in security features for data protection.

Working Principles

The AT24C04D-XHM-T uses a floating gate transistor structure to store data. When writing data, an electric charge is applied to the floating gate, altering its electrical characteristics. This change can be detected during read operations, allowing the stored data to be retrieved.

Detailed Application Field Plans

The AT24C04D-XHM-T is commonly used in various electronic devices that require non-volatile data storage, such as:

1. Consumer Electronics: Used in smart TVs, set-top boxes, and audio/video equipment for storing configuration settings and user preferences.
2. Automotive Systems: Employed in automotive electronics for storing critical data like mileage, calibration values, and system configurations.
3. Industrial Control Systems: Utilized in industrial automation and control systems for storing parameters, calibration data, and event logs.
4. Medical Devices: Integrated into medical equipment for storing patient data, device settings, and firmware updates.

Detailed and Complete Alternative Models

1. AT24C01A-XHM-T: 1-kilobit EEPROM IC with similar features but lower memory capacity.
2. AT24C08D-XHM-T: 8-kilobit EEPROM IC with higher memory capacity.
3. AT24C16D-XHM-T: 16-kilobit EEPROM IC with even higher memory capacity.
4. AT24C64D-XHM-T: 64-kilobit EEPROM IC with significantly larger memory capacity.

These alternative models provide options for different memory requirements while maintaining compatibility with the same package and interface.

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