AT24HC02C-XHM-T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Non-volatile Memory
• Characteristics: High Capacity, I2C Interface
• Package: SOT23-5
• Essence: EEPROM (Electrically Erasable Programmable Read-Only Memory)
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Capacity: 2 Kilobits (256 x 8 bits)
• Interface: I2C (Two-wire Serial Interface)
• Supply Voltage: 1.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Write Endurance: 1 Million Cycles
• Data Retention: 100 Years

Pin Configuration

The AT24HC02C-XHM-T has a total of 5 pins:

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

Functional Features

• Non-volatile memory: Retains data even when power is disconnected
• I2C interface: Allows easy integration with microcontrollers and other devices
• High capacity: Stores up to 2 kilobits of data
• Low power consumption: Suitable for battery-powered applications
• Hardware write protection: Prevents accidental modification of stored data

Advantages

• Compact package size allows for space-efficient designs
• Wide operating voltage range enables compatibility with various systems
• High write endurance ensures reliable and long-lasting performance
• I2C interface simplifies communication with other devices
• Low standby current minimizes power consumption in idle mode

Disadvantages

• Limited storage capacity compared to larger EEPROMs
• Slower write speed compared to some other memory technologies
• Vulnerable to electromagnetic interference due to its small package size

Working Principles

The AT24HC02C-XHM-T is based on EEPROM technology, which utilizes floating gate transistors to store and retrieve data. The I2C interface allows for serial communication with the device, enabling easy reading and writing of data. The memory cells in the IC can be electrically programmed and erased, making it non-volatile and capable of retaining data even without power.

Detailed Application Field Plans

The AT24HC02C-XHM-T is commonly used in various applications, including:

1. Consumer Electronics: Used for storing configuration settings, user preferences, and calibration data in devices such as TVs, set-top boxes, and audio systems.
2. Industrial Automation: Employed in control systems, sensors, and data loggers to store critical information and enable system parameter adjustments.
3. Automotive Electronics: Utilized in vehicle modules, infotainment systems, and instrument clusters for storing vehicle-specific data, firmware updates, and error logs.
4. Medical Devices: Integrated into medical equipment for storing patient data, device configurations, and event logs.
5. Internet of Things (IoT): Incorporated into IoT devices for data logging, sensor calibration, and device identification purposes.

Detailed and Complete Alternative Models

1. AT24C02: A lower capacity version of the AT24HC02C-XHM-T, offering 256 bytes of storage.
2. AT24HC04C: A higher capacity variant with 4 kilobits of storage (512 x 8 bits).
3. AT24HC08C: Provides double the capacity of the AT24HC02C-XHM-T, with 8 kilobits (1024 x 8 bits) of storage.
4. AT24HC16C: Offers even higher capacity with 16 kilobits (2048 x 8 bits) of storage.

These alternative models provide options for different storage requirements and can be selected based on the specific needs of the application.

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