CAT24AA08TDI-GT3

Product Overview

Category

The CAT24AA08TDI-GT3 belongs to the category of EEPROM (Electrically Erasable Programmable Read-Only Memory) chips.

Use

This chip is commonly used for non-volatile data storage in various electronic devices, such as microcontrollers, sensors, and communication modules.

Characteristics

• Non-volatile: The CAT24AA08TDI-GT3 retains stored data even when power is removed.
• High endurance: It can withstand a large number of read and write cycles.
• Low power consumption: The chip operates at low voltage levels, making it energy-efficient.
• Small form factor: The package size is compact, allowing for easy integration into different designs.
• I2C interface: The chip communicates using the I2C protocol, enabling simple connectivity with other devices.

Package and Quantity

The CAT24AA08TDI-GT3 is available in a small surface-mount package. It is typically sold in reels or tubes containing multiple units.

Specifications

• Memory capacity: 8 kilobits (1 kilobyte)
• Operating voltage: 1.7V to 5.5V
• Operating temperature range: -40°C to +85°C
• Write endurance: 1 million cycles
• Data retention: 100 years
• Communication interface: I2C (2-wire serial bus)

Pin Configuration

The CAT24AA08TDI-GT3 has eight pins arranged as follows:

```

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

Pin Description: 1. VCC: Power supply voltage 2. SDA: Serial data input/output for I2C communication 3. SCL: Serial clock input for I2C communication 4. WP: Write protect pin (optional) 5. A0: Address selection bit 0 6. A1: Address selection bit 1 7. GND: Ground connection 8. NC: No connection

Functional Features

• Byte-level Read/Write: The CAT24AA08TDI-GT3 allows individual bytes to be read from or written to the memory.
• Page Write: It supports page write operations, enabling faster data storage by writing multiple bytes at once.
• Software Write Protection: The chip provides a write protection feature that can be enabled or disabled through software control.
• Sequential Read: It allows sequential reading of multiple bytes without requiring repeated address transmissions.
• Hardware Write Protection: The WP pin can be used to protect the memory from accidental writes by disabling write operations.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even during power loss.
• High endurance allows for frequent read and write operations.
• Low power consumption prolongs battery life in portable devices.
• Small form factor facilitates integration into compact designs.
• I2C interface simplifies connectivity with other devices.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Slower write speed compared to some other non-volatile memory types.
• Vulnerable to electromagnetic interference due to its small size.

Working Principles

The CAT24AA08TDI-GT3 utilizes EEPROM technology, which stores data using electrically isolated floating-gate transistors. When data is written, an electrical charge is trapped in the floating gate, altering the transistor's behavior. This change can be detected when reading the stored data.

The I2C interface allows the chip to communicate with a microcontroller or other devices. The microcontroller sends commands and data to the CAT24AA08TDI-GT3 using the SDA and SCL lines, enabling read and write operations.

Application Field Plans

The CAT24AA08TDI-GT3 finds applications in various fields, including: 1. Consumer electronics: Used for storing configuration settings, user preferences, and calibration data in devices like smartphones, tablets, and digital cameras. 2. Industrial automation: Employed in sensors, actuators, and control modules to store critical parameters, calibration data, and firmware updates. 3. Automotive electronics: Utilized in vehicle systems for storing vehicle identification information, mileage records, and other non-volatile data. 4. Internet of Things (IoT): Integrated into IoT devices for storing sensor data, device configurations, and network settings.

Alternative Models

Several alternative models to the CAT24AA08TDI-GT3 include: - AT24C08: Manufactured by Atmel, offering similar specifications and functionality. - 24LC08B: Produced by Microchip, providing comparable features and compatibility