CAT24C256LI-G

Product Overview

Category

The CAT24C256LI-G 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 CAT24C256LI-G retains stored data even when power is removed.
• High capacity: It has a storage capacity of 256 kilobits (32 kilobytes).
• Low power consumption: The chip operates at low power levels, making it suitable for battery-powered devices.
• I2C interface: It utilizes the popular I2C communication protocol for easy integration into existing systems.

Package

The CAT24C256LI-G is available in an 8-pin SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of the CAT24C256LI-G lies in its ability to store and retrieve digital information reliably, even in the absence of power.

Packaging/Quantity

These chips are typically sold in reels or tubes, with each reel or tube containing a specific quantity of CAT24C256LI-G chips. The exact quantity may vary depending on the supplier.

Specifications

• Storage Capacity: 256 kilobits (32 kilobytes)
• Interface: I2C
• Operating Voltage: 1.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Write Endurance: 1 million cycles
• Data Retention: 100 years

Detailed Pin Configuration

The CAT24C256LI-G features 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 CAT24C256LI-G allows for random access to any memory location, enabling efficient data retrieval.
• Byte and Page Write: It supports both byte and page write operations, providing flexibility in storing data.
• Hardware Write Protection: The chip includes a write protect pin (WP) that can be used to prevent accidental modification of stored data.
• Software Control: The CAT24C256LI-G can be controlled through software commands, allowing for easy integration into various systems.

Advantages and Disadvantages

Advantages

• High storage capacity
• Low power consumption
• Reliable data retention
• Easy integration with I2C interface
• Flexible write operations

Disadvantages

• Limited write endurance (1 million cycles)
• Relatively small package size

Working Principles

The CAT24C256LI-G utilizes EEPROM technology to store digital information. It consists of an array of memory cells that can be individually programmed or erased. The chip operates by applying specific voltage levels to the memory cells, altering their electrical properties to represent binary data (0s and 1s). These stored values can be read back at any time, even after power is removed.

Detailed Application Field Plans

The CAT24C256LI-G finds applications in various fields, including:

1. Embedded Systems: It is commonly used in microcontrollers and embedded systems for storing configuration data, calibration parameters, and firmware updates.
2. Industrial Automation: The chip is utilized in industrial automation equipment for storing critical system parameters, such as sensor calibration data and operating parameters.
3. Automotive Electronics: It is employed in automotive electronics for storing vehicle-specific settings, such as seat position, radio presets, and user preferences.
4. Consumer Electronics: The CAT24C256LI-G is found in consumer electronics devices like smart TVs, set-top boxes, and audio systems for storing user settings, channel information, and firmware updates.

Detailed and Complete Alternative Models

1. AT24C256: This EEPROM chip offers similar specifications and functionality to the CAT24C256LI-G. It is available in various package options, including DIP (Dual Inline Package) and SOIC.
2. M24C256: Another alternative, this EEPROM chip is compatible with the I2C interface and provides a storage capacity of 256 kilobits. It is offered in different package options, such as TSSOP (Thin Shrink Small Outline Package) and PDIP (Plastic Dual Inline Package).
3. 24AA256: This EEPROM chip is designed for low-power applications and features a wide operating voltage range. It is available in various package options, including SOT-23 (Small Outline Transistor) and MSOP (Mini Small Outline Package).

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

*Word count: 1100