CAT24C44LI-G

Product Overview

Category

The CAT24C44LI-G 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, computers, and consumer electronics.

Characteristics

• Non-volatile memory: The CAT24C44LI-G retains stored data even when power is removed.
• High storage capacity: This chip has a storage capacity of 4 kilobits (512 bytes).
• Low power consumption: It operates at low power levels, making it suitable for battery-powered devices.
• I2C interface: The CAT24C44LI-G communicates with the host device using the I2C (Inter-Integrated Circuit) protocol.

Package

The CAT24C44LI-G is available in an 8-pin SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of the CAT24C44LI-G is its ability to store and retrieve data reliably, even in the absence of power.

Packaging/Quantity

This chip is typically sold in reels or tubes, with quantities varying depending on the manufacturer and distributor.

Specifications

• Storage Capacity: 4 kilobits (512 bytes)
• Operating Voltage: 1.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Write Cycle Endurance: 1 million cycles
• Data Retention: 100 years

Detailed Pin Configuration

The CAT24C44LI-G has the following pin configuration:

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

Functional Features

• Random Access: The CAT24C44LI-G allows random access to any memory location, enabling efficient data retrieval.
• Byte Write and Page Write Modes: It supports both byte-level and page-level write operations, providing flexibility in data storage.
• Software Write Protection: The chip includes a write protection feature that can be enabled or disabled through software control.
• Acknowledge Support: The CAT24C44LI-G provides acknowledge support during data transfer, ensuring reliable communication.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even without power.
• High storage capacity for various applications.
• Low power consumption extends battery life.
• I2C interface enables easy integration with other devices.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Slower write speeds compared to some other memory types.
• Vulnerable to electromagnetic interference (EMI) due to its non-shielded package.

Working Principles

The CAT24C44LI-G utilizes EEPROM technology, which allows for electrically erasing and reprogramming of data. It consists of a grid of memory cells that can be individually addressed for read or write operations. When data is written, an electrical charge is applied to the memory cell, altering its state. This altered state can be detected and read back later.

Detailed Application Field Plans

The CAT24C44LI-G finds applications in various fields, including: 1. Embedded Systems: Used for storing configuration data, firmware updates, and user settings in microcontrollers and IoT devices. 2. Automotive Electronics: Employed for storing critical data, such as vehicle identification numbers (VINs), mileage, and diagnostic information. 3. Consumer Electronics: Utilized in devices like smart TVs, set-top boxes, and gaming consoles for storing user preferences, channel lists, and game progress.

Detailed and Complete Alternative Models

1. AT24C04: Manufactured by Atmel, this EEPROM chip offers similar storage capacity and features as the CAT24C44LI-G.
2. 24LC512: Produced by Microchip Technology, this EEPROM chip provides a higher storage capacity of 64 kilobits (8 kilobytes) while maintaining compatibility with the I2C interface.
3. M24C02: Developed by STMicroelectronics, this EEPROM chip offers a lower storage capacity of 2 kilobits (256 bytes) but is available in a smaller package size.

These alternative models can be considered based on specific application requirements and design constraints.

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