CAT25040YI-G

Product Overview

Category

CAT25040YI-G belongs to the category of Serial EEPROM (Electrically Erasable Programmable Read-Only Memory) integrated circuits.

Use

This product is commonly used for non-volatile storage in various electronic devices, such as microcontrollers, automotive systems, consumer electronics, and industrial applications.

Characteristics

• Non-volatile memory: The CAT25040YI-G retains data even when power is disconnected.
• High storage capacity: This EEPROM has a storage capacity of 4 kilobits (512 bytes).
• Serial interface: It utilizes a serial communication protocol for easy integration into different systems.
• Low power consumption: The CAT25040YI-G operates at low power levels, making it suitable for battery-powered devices.
• Wide operating voltage range: It can function within a voltage range of 1.8V to 5.5V.
• High reliability: This product offers excellent data retention and endurance characteristics.

Package

The CAT25040YI-G is available in an 8-pin SOIC (Small Outline Integrated Circuit) package.

Packaging/Quantity

It is typically supplied in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

• Memory Capacity: 4 kilobits (512 bytes)
• Interface: Serial I2C (Inter-Integrated Circuit)
• Operating Voltage Range: 1.8V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Write Endurance: 1 million cycles
• Data Retention: 100 years

Detailed Pin Configuration

The CAT25040YI-G features the following pin configuration:

1. VCC - Power supply voltage
2. SDA - Serial data input/output
3. SCL - Serial clock input
4. WP - Write protect input
5. VSS - Ground
6. NC - No connection
7. NC - No connection
8. NC - No connection

Functional Features

• Byte and Page Write Operations: The CAT25040YI-G supports both byte and page write operations, allowing flexible data storage.
• Software Write Protection: It offers software-controlled write protection to prevent accidental modification of stored data.
• Sequential Read Operation: This EEPROM allows sequential read operations, enabling efficient retrieval of stored information.
• Self-Timed Programming Cycle: The programming cycle is self-timed, simplifying the integration process.

Advantages and Disadvantages

Advantages

• High reliability and endurance
• Low power consumption
• Wide operating voltage range
• Flexible write operations
• Software write protection

Disadvantages

• Limited storage capacity compared to higher-capacity EEPROMs
• Relatively higher cost per kilobit compared to larger memory devices

Working Principles

The CAT25040YI-G utilizes an electrically erasable floating-gate transistor technology to store and retrieve data. It employs a serial I2C interface for communication with the host system. When writing data, the device applies a high voltage to the floating gate, altering its charge state. During read operations, the stored charge on the floating gate is measured, determining the logic level of the bit.

Detailed Application Field Plans

The CAT25040YI-G finds applications in various fields, including:

1. Microcontrollers: Used for storing configuration settings, calibration data, and program code.
2. Automotive Systems: Employed in electronic control units (ECUs), instrument clusters, and infotainment systems for data storage.
3. Consumer Electronics: Utilized in smart TVs, set-top boxes, and audio equipment for firmware storage and customization.
4. Industrial Applications: Applied in industrial automation, sensors, and control systems for data logging and parameter storage.

Detailed and Complete Alternative Models

1. CAT25080YI-G: Similar to CAT25040YI-G but with double the storage capacity (8 kilobits).
2. CAT25160YI-G: Offers 16 kilobits of storage capacity, suitable for applications requiring larger memory.
3. CAT25320YI-G: Provides 32 kilobits of storage capacity, ideal for more data-intensive applications.

These alternative models offer increased storage capacity while maintaining similar characteristics and functionality to the CAT25040YI-G.

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