AT24C02AN-10SI-2.7

Product Overview

Category

AT24C02AN-10SI-2.7 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 AT24C02AN-10SI-2.7 can be erased and reprogrammed electronically, making it convenient for data updates.
• Non-volatile: The stored data remains intact even when power is removed.
• Low power consumption: This chip operates at a low voltage, making it energy-efficient.
• High reliability: It offers excellent data retention and endurance characteristics.
• Small form factor: The AT24C02AN-10SI-2.7 comes in a compact package, suitable for space-constrained applications.

Package and Quantity

The AT24C02AN-10SI-2.7 is available in an 8-pin SOIC (Small Outline Integrated Circuit) package. It is typically sold in reels containing a specified quantity, usually ranging from hundreds to thousands of units per reel.

Specifications

• Memory capacity: 2 kilobits (256 bytes)
• Operating voltage: 2.7V 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)

Pin Configuration

The AT24C02AN-10SI-2.7 has the following pin configuration:

```

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

Pin Description: 1. A0: Address input pin 2. A1: Address input pin 3. A2: Address input pin 4. GND: Ground connection 5. SDA: Serial data input/output 6. SCL: Serial clock input 7. WP: Write protect (optional) 8. VCC: Power supply voltage

Functional Features

• Random access: The AT24C02AN-10SI-2.7 allows random read and write operations, enabling efficient data retrieval and modification.
• I2C interface: It supports the widely-used I2C (Inter-Integrated Circuit) communication protocol, allowing easy integration with various microcontrollers and other devices.
• Hardware write protection: The WP pin can be used to protect the memory from accidental writes, enhancing data security.
• Page write mode: This chip supports page write operations, enabling faster data programming by writing multiple bytes in a single operation.

Advantages and Disadvantages

Advantages

• Compact size and low power consumption make it suitable for portable and battery-powered devices.
• High reliability ensures data integrity even in harsh operating conditions.
• Easy integration with existing systems due to compatibility with the I2C interface.
• Cost-effective solution for non-volatile data storage needs.

Disadvantages

• Limited memory capacity compared to other EEPROM chips.
• Slower write cycle time compared to some newer memory technologies.
• Vulnerable to electromagnetic interference (EMI) due to its small form factor.

Working Principles

The AT24C02AN-10SI-2.7 utilizes electrically controlled floating gate transistors to store and retrieve data. When a byte of data is written, an electric charge is trapped in the floating gate, representing a logical "1." To erase the data, the charge is removed from the floating gate, resetting it to a logical "0." The stored data can be read by sensing the voltage level on the memory cells.

Detailed Application Field Plans

The AT24C02AN-10SI-2.7 finds applications in various fields, including:

1. Embedded systems: Used for storing configuration data, firmware updates, and calibration parameters in microcontrollers.
2. Consumer electronics: Employed in devices like smart TVs, set-top boxes, and digital cameras for storing user preferences, settings, and usage logs.
3. Industrial automation: Utilized for data logging, equipment configuration, and parameter storage in programmable logic controllers (PLCs) and industrial control systems.
4. Automotive electronics: Integrated into automotive modules for storing critical data, such as mileage, fault codes, and vehicle settings.
5. Medical devices: Used for storing patient data, device configurations, and firmware updates in medical equipment like infusion pumps and patient monitors.

Detailed and Complete Alternative Models

Some alternative models to the AT24