AT24C02A-10PC-2.5

Overview

Product Category

AT24C02A-10PC-2.5 belongs to the category of electrically erasable programmable read-only memory (EEPROM) chips.

Use

The AT24C02A-10PC-2.5 chip is primarily used for non-volatile data storage in various electronic devices, such as microcontrollers, computers, and consumer electronics.

Characteristics

• Non-volatile: The stored data remains even when power is removed.
• Electrically erasable: Data can be erased and reprogrammed electronically.
• Low power consumption: Operates at low voltage levels, making it energy-efficient.
• High reliability: Offers robust data retention and endurance characteristics.
• Small form factor: Comes in a compact package, suitable for space-constrained applications.

Package and Quantity

The AT24C02A-10PC-2.5 chip is available in a 8-pin DIP (Dual Inline Package) configuration. It is typically sold in reels or tubes containing multiple units.

Specifications

• Memory Capacity: 2 kilobits (256 bytes)
• Operating Voltage: 2.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Write Cycle Endurance: 1 million cycles
• Data Retention: Up to 100 years

Pin Configuration

The AT24C02A-10PC-2.5 chip has the following pin configuration:

```

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| | | 1 8 | | | | 2 7 | | | | 3 6 | | | | 4 5 | |___________| ```

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

Functional Features

• Random Access: Allows reading and writing of individual bytes within the memory.
• I2C Interface: Supports the widely-used I2C (Inter-Integrated Circuit) communication protocol.
• Hardware Write Protection: The WP pin can be used to protect the memory from accidental writes.
• Page Write Mode: Enables faster data writes by allowing multiple bytes to be written in a single operation.

Advantages

• Compact Size: The small form factor makes it suitable for applications with limited space.
• Low Power Consumption: Operates at low voltage levels, reducing power consumption.
• High Reliability: Offers robust data retention and endurance characteristics.
• Easy Integration: Compatible with standard I2C interfaces, simplifying integration into existing designs.

Disadvantages

• Limited Capacity: With a capacity of 2 kilobits, it may not be suitable for applications requiring larger storage.
• Slower Write Speed: The write cycle time is relatively slower compared to some other memory technologies.

Working Principles

The AT24C02A-10PC-2.5 chip utilizes EEPROM technology to store and retrieve data. It consists of an array of memory cells that can be individually addressed for read or write operations. The I2C interface allows for easy communication with the chip, enabling data transfer between the host device and the memory.

Application Field Plans

The AT24C02A-10PC-2.5 chip finds application in various fields, including: - Embedded Systems: Used for storing configuration data, calibration values, and firmware updates in microcontroller-based systems. - Consumer Electronics: Employed in devices like smart TVs, set-top boxes, and digital cameras for storing user preferences, settings, and other non-volatile data. - Industrial Automation: Utilized in industrial control systems to store critical parameters, log data, and system configurations.

Alternative Models

Other alternative models that offer similar functionality to the AT24C02A-10PC-2.5 chip include: - AT24C01A-10PU-2.7 - AT24C04B-10PI-2.5 - AT24C08A-10TU-1.8

These models provide different memory capacities, operating voltages, and package options, allowing designers to choose the most suitable option for their specific requirements.

In conclusion, the AT24C02A-10PC-2.5 chip is a compact and reliable EEPROM solution widely used for non-volatile data storage in various electronic devices. Its low power consumption, high reliability, and easy integration make it a popular choice among designers in different industries.