AT24C02A-10PI-2.5

Basic Information Overview

Category: Integrated Circuit (IC)

Use: Data storage and retrieval

Characteristics: - Non-volatile memory - 2-wire serial interface - 2K bits of EEPROM (Electrically Erasable Programmable Read-Only Memory) - Low power consumption - Wide operating voltage range - High reliability and endurance - Small form factor

Package: DIP (Dual In-line Package)

Essence: The AT24C02A-10PI-2.5 is a 2K-bit EEPROM IC designed for data storage and retrieval in various electronic devices.

Packaging/Quantity: Available in tubes or reels, with 25 pieces per tube/reel.

Specifications

• Operating Voltage Range: 1.7V to 5.5V
• Maximum Clock Frequency: 400 kHz
• Write Cycle Time: 5 ms (maximum)
• Data Retention: 100 years (minimum)
• Endurance: 1 million write cycles (minimum)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AT24C02A-10PI-2.5 has a total of 8 pins:

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

Functional Features

• 2-wire serial interface allows easy integration with microcontrollers and other devices.
• Non-volatile memory retains data even when power is disconnected.
• High reliability and endurance make it suitable for critical applications.
• Low power consumption extends battery life in portable devices.
• Wide operating voltage range enables compatibility with various systems.

Advantages and Disadvantages

Advantages: - Small form factor allows for space-efficient designs. - Easy to interface with microcontrollers using the I2C protocol. - High reliability ensures data integrity. - Low power consumption makes it suitable for battery-powered devices.

Disadvantages: - Limited storage capacity (2K bits) compared to larger EEPROMs. - Slower write cycle time compared to some other memory technologies.

Working Principles

The AT24C02A-10PI-2.5 utilizes EEPROM technology to store and retrieve digital data. It uses a 2-wire serial interface (I2C) to communicate with the controlling device. The chip address inputs (A0, A1, A2) allow multiple devices to be connected on the same bus. The SDA line is used for bidirectional data transfer, while the SCL line provides the clock signal for synchronization.

To write data, the controlling device sends the chip address followed by the memory address and the data to be written. The AT24C02A-10PI-2.5 acknowledges the write operation and stores the data in the specified memory location. Reading data follows a similar process, where the controlling device sends the chip address and memory address, and the AT24C02A-10PI-2.5 responds with the requested data.

Detailed Application Field Plans

The AT24C02A-10PI-2.5 is widely used in various electronic devices that require non-volatile data storage, such as:

1. Consumer electronics: TVs, set-top boxes, DVD players, etc., for storing user preferences and settings.
2. Industrial automation: Programmable logic controllers (PLCs), sensors, and control systems for storing configuration data.
3. Automotive: Engine control units (ECUs), infotainment systems, and instrument clusters for storing calibration data and vehicle settings.
4. Medical devices: Patient monitoring systems, infusion pumps, and diagnostic equipment for storing patient data and device configurations.

Detailed and Complete Alternative Models

1. AT24C01A-10PI-2.5: 1K-bit EEPROM IC with similar features and package.
2. AT24C04A-10PI-2.5: 4K-bit EEPROM IC with similar features and package.
3. AT24C08A-10PI-2.5: 8K-bit EEPROM IC with similar features and package.
4. AT24C16A-10PI-2.5: 16K-bit EEPROM IC with similar features and package.
5. AT24C32A-10PI-2.5: 32K-bit EEPROM IC with similar features and package.

These alternative models provide different storage capacities to suit specific application requirements.

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