AT24C02B-TH-B

Product Overview

Category

AT24C02B-TH-B 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

• Non-volatile: Retains stored data even when power is removed.
• Electrically erasable: Allows for easy modification of stored data.
• Programmable: Can be written and rewritten multiple times.
• Low power consumption: Operates efficiently with minimal power requirements.

Package

AT24C02B-TH-B is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of this product lies in its ability to provide reliable and flexible data storage solutions for electronic devices.

Packaging/Quantity

AT24C02B-TH-B is typically packaged in reels or tubes, with each reel containing a specific quantity of chips. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Memory capacity: 2 kilobits (256 bytes)
• Operating voltage: 1.7V to 5.5V
• Operating temperature range: -40°C to +85°C
• Write endurance: 1 million write cycles
• Data retention: 100 years

Detailed Pin Configuration

The AT24C02B-TH-B chip has a total of 8 pins, which are assigned specific functions:

1. A0: Address input pin 0
2. A1: Address input pin 1
3. A2: Address input pin 2
4. GND: Ground connection
5. SDA: Serial data input/output
6. SCL: Serial clock input
7. WP: Write protect
8. VCC: Power supply voltage

Functional Features

• Random access: Allows for reading and writing data at any memory location.
• I2C interface: Supports the widely used I2C communication protocol.
• Hardware write protection: The WP pin can be used to protect the memory from accidental writes.
• Page write mode: Enables efficient programming of multiple bytes in a single write operation.

Advantages and Disadvantages

Advantages

• Compact size and low power consumption make it suitable for various applications.
• High reliability and long data retention ensure data integrity over extended periods.
• Easy integration with existing systems due to compatibility with standard I2C interfaces.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Slower write speeds compared to some alternative memory solutions.

Working Principles

AT24C02B-TH-B utilizes an electrically erasable floating-gate transistor technology. Data is stored in individual memory cells by trapping or releasing electrons in the floating gate, which alters the threshold voltage of the transistor. This allows for non-volatile storage of binary information.

Detailed Application Field Plans

AT24C02B-TH-B finds application in various fields, including but not limited to: 1. Embedded systems: Used for storing configuration data, firmware updates, and user settings. 2. Automotive electronics: Employed for storing vehicle-specific data, such as mileage and diagnostic information. 3. Smart home devices: Utilized for storing user preferences and device configurations. 4. Industrial automation: Used for storing calibration data, sensor readings, and system parameters.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to AT24C02B-TH-B include: - AT24C01A - AT24C04B - AT24C08A - AT24C16B

These models vary in terms of memory capacity, package type, and other specifications. The choice of an alternative model depends on the specific requirements of the application.

Note: The above content is a sample entry and may not reflect actual product details.