AT24C02-10PI-2.5

Overview

Product Category

AT24C02-10PI-2.5 belongs to the category of electrically erasable programmable read-only memory (EEPROM) chips.

Use

This product is commonly used for non-volatile data storage in various electronic devices such as microcontrollers, computers, and consumer electronics.

Characteristics

• Electrically erasable: The stored data can be erased and reprogrammed electronically.
• Non-volatile: The data remains intact even when power is removed.
• High storage capacity: The AT24C02-10PI-2.5 has a storage capacity of 2 kilobits (256 bytes).
• Low power consumption: It operates at low power levels, making it suitable for battery-powered devices.

Package

The AT24C02-10PI-2.5 is available in a standard 8-pin DIP (Dual Inline Package) format.

Essence

This EEPROM chip allows for reliable and long-term storage of data in electronic devices, ensuring that important information is retained even during power cycles or system shutdowns.

Packaging/Quantity

The AT24C02-10PI-2.5 is typically packaged in reels or tubes, with each reel containing 2,500 units.

Specifications

• Memory Capacity: 2 kilobits (256 bytes)
• Operating Voltage: 2.5V
• Maximum Clock Frequency: 400 kHz
• Write Cycle Time: 5 ms (maximum)
• Data Retention: 100 years (minimum)

Pin Configuration

The AT24C02-10PI-2.5 has the following pin configuration:

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
8. VCC: Power Supply

Functional Features

• Random Access: Allows for reading and writing data at any memory location.
• Sequential Read: Supports sequential read operations, enabling efficient retrieval of consecutive data.
• Hardware Write Protection: The WP pin can be used to protect the stored data from accidental writes.
• I2C Interface: Utilizes the widely adopted I2C (Inter-Integrated Circuit) protocol for communication.

Advantages and Disadvantages

Advantages

• High storage capacity in a compact package.
• Low power consumption, suitable for battery-powered devices.
• Long data retention period.
• Easy integration with microcontrollers and other electronic systems.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Slower write cycle time compared to some other EEPROM chips.
• Relatively higher cost per byte compared to larger capacity memory options.

Working Principles

The AT24C02-10PI-2.5 utilizes an array of floating-gate transistors to store data. When programming or erasing data, electrical charges are applied to these transistors, altering their threshold voltage and allowing for the storage or removal of charge. This mechanism enables the non-volatile storage of data even when power is removed.

Detailed Application Field Plans

The AT24C02-10PI-2.5 finds applications in various fields, including:

1. Embedded Systems: Used for storing configuration data, calibration values, and firmware updates in microcontroller-based systems.
2. Consumer Electronics: Employed in devices such as smart TVs, set-top boxes, and digital cameras for storing user preferences, settings, and log data.
3. Industrial Automation: Utilized in control systems, sensors, and data loggers for storing critical parameters, event logs, and calibration data.
4. Automotive Electronics: Integrated into automotive modules for storing vehicle settings, error codes, and diagnostic information.

Detailed and Complete Alternative Models

1. AT24C01A-10PU-2.7: 1 kilobit (128 bytes) capacity, 2.7V operating voltage.
2. AT24C04-10SC-2.5: 4 kilobits (512 bytes) capacity, 2.5V operating voltage.
3. AT24C08A-10PI-2.7: 8 kilobits (1024 bytes) capacity, 2.7V operating voltage.
4. AT24C16B-10SU-2.5: 16 kilobits (2048 bytes) capacity, 2.5V operating voltage.

These alternative models offer different storage capacities and operating voltages to suit specific application requirements.

In conclusion, the AT24C02-10PI-2.5 is an electrically erasable programmable read-only memory chip that provides reliable non-volatile data storage. With its high storage capacity,