CAT24C44VI-GT3

Product Overview

Category

The CAT24C44VI-GT3 belongs to the category of electrically erasable programmable read-only memory (EEPROM) chips.

Use

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

Characteristics

• Non-volatile: The CAT24C44VI-GT3 retains stored data even when power is removed.
• Electrically erasable: The chip allows for easy modification and erasure of stored data.
• Programmable: Users can write and rewrite data to the chip multiple times.
• High capacity: The CAT24C44VI-GT3 has a storage capacity of 4 kilobits (512 bytes).
• Low power consumption: The chip operates on low power, making it suitable for battery-powered devices.

Package

The CAT24C44VI-GT3 is available in a small surface-mount package, which facilitates easy integration into electronic circuit boards.

Essence

The essence of the CAT24C44VI-GT3 lies in its ability to provide reliable and non-volatile data storage in a compact form factor.

Packaging/Quantity

The chip is typically packaged in reels or tubes, with each reel or tube containing a specific quantity of CAT24C44VI-GT3 chips. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Memory capacity: 4 kilobits (512 bytes)
• Supply voltage: 1.7V to 5.5V
• Operating temperature range: -40°C to +85°C
• Interface: I2C (Inter-Integrated Circuit)
• Write endurance: 1 million cycles
• Data retention: 100 years

Detailed Pin Configuration

The CAT24C44VI-GT3 chip has a total of 8 pins, which are as follows:

1. VCC: Power supply voltage input
2. GND: Ground reference
3. SDA: Serial data line for I2C communication
4. SCL: Serial clock line for I2C communication
5. A0: Address bit 0 for device addressing
6. A1: Address bit 1 for device addressing
7. WP: Write protect pin for hardware write protection
8. NC: No connection (unused pin)

Functional Features

• Random access: The CAT24C44VI-GT3 allows for direct access to any memory location, enabling efficient data retrieval.
• Page write mode: The chip supports page write operations, allowing multiple bytes of data to be written in a single operation, enhancing write efficiency.
• Software write protection: The CAT24C44VI-GT3 provides software-controlled write protection, preventing accidental modification of stored data.
• Sequential read mode: The chip enables sequential reading of data, minimizing access time and improving overall performance.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data retention even during power loss.
• High write endurance allows for frequent data updates without compromising reliability.
• Low power consumption makes it suitable for battery-powered devices.
• Compact form factor facilitates integration into various electronic systems.
• Software write protection enhances data security.

Disadvantages

• Limited storage capacity compared to other EEPROM chips.
• Relatively slower write and erase times compared to other non-volatile memory technologies.
• Higher cost per byte compared to alternative memory solutions.

Working Principles

The CAT24C44VI-GT3 utilizes electrically controlled floating gate transistors to store and retrieve data. When writing data, an electrical charge is applied to the floating gate, altering its conductivity and storing the desired information. During read operations, the stored charge is detected, allowing the retrieval of the stored data.

Detailed Application Field Plans

The CAT24C44VI-GT3 finds applications in various fields, including but not limited to:

1. Embedded systems: The chip can be used for storing configuration data, firmware updates, and user settings in microcontroller-based systems.
2. Industrial automation: It can be employed for data logging, parameter storage, and device identification purposes in industrial control systems.
3. Automotive electronics: The CAT24C44VI-GT3 can be utilized for storing critical data, such as vehicle identification numbers (VINs), calibration data, and system configurations in automotive electronic control units (ECUs).
4. Consumer electronics: It can be integrated into devices like smart TVs, set-top boxes, and gaming consoles for storing user preferences, channel lists, and other non-volatile data.

Detailed and Complete Alternative Models

1. CAT24C02WI-GT3: 2 kilobit EEPROM chip with similar characteristics and package.
2. CAT24C08WI-GT3: 8 kilobit EEPROM chip with higher storage capacity.