CAT24C04C5ATR

Product Overview

Category

The CAT24C04C5ATR 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 CAT24C04C5ATR retains stored data even when power is removed.
• Electrically erasable: Data can be erased and reprogrammed electronically.
• High density: This chip has a storage capacity of 4 kilobits (512 bytes).
• Low power consumption: It operates at low voltage levels, making it energy-efficient.
• Fast write speed: The CAT24C04C5ATR offers quick data writing capabilities.

Package

The CAT24C04C5ATR is available in a small surface-mount package. It is commonly found in an 8-pin SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of the CAT24C04C5ATR lies in its ability to store and retrieve data reliably, even in the absence of power. It provides a compact and efficient solution for non-volatile memory requirements in electronic systems.

Packaging/Quantity

These chips are typically sold in reels or tubes containing multiple units. The exact quantity may vary depending on the supplier and customer requirements.

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 CAT24C04C5ATR features an 8-pin configuration with the following pin assignments:

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 CAT24C04C5ATR allows random access to any memory location, enabling efficient data retrieval.
• Sequential Read: It supports sequential read operations, allowing for faster data access in consecutive memory locations.
• Write Protection: The WP pin can be used to protect the stored data from accidental modification.
• I2C Interface: This chip utilizes the widely-used I2C (Inter-Integrated Circuit) protocol for communication with other devices.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data retention even during power loss.
• High-density storage capacity in a compact form factor.
• Low power consumption extends battery life in portable devices.
• Fast write speed enables quick data updates.
• Compatibility with the I2C interface simplifies integration into existing systems.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Relatively slower read and write speeds compared to some alternatives.
• Vulnerable to electromagnetic interference (EMI) due to its small package size.

Working Principles

The CAT24C04C5ATR operates based on the principles of EEPROM technology. It utilizes electrically controlled floating gate transistors to store and retrieve data. When data is written, an electrical charge is applied to the floating gate, altering its conductivity and storing the desired information. To read the data, the transistor's conductivity is measured, allowing the stored information to be retrieved.

Detailed Application Field Plans

The CAT24C04C5ATR finds applications in various fields, including:

1. Embedded Systems: It is used in microcontrollers and embedded systems for storing configuration data, calibration values, and firmware updates.
2. Consumer Electronics: This chip is employed in devices like smart TVs, set-top boxes, and audio equipment to store user preferences, settings, and log data.
3. Automotive: The CAT24C04C5ATR is utilized in automotive electronics for storing critical data such as mileage, vehicle identification numbers (VIN), and diagnostic information.
4. Industrial Automation: It finds application in industrial control systems for storing parameters, sensor calibration data, and production logs.

Detailed and Complete Alternative Models

1. AT24C02: This EEPROM chip offers a smaller storage capacity of 2 kilobits but shares similar characteristics and pin configuration with the CAT24C04C5ATR.
2. CAT24C08: With double the storage capacity of the CAT24C04C5ATR, this chip provides 8 kilobits of non-volatile memory.
3. ST24C04: This alternative model from STMicroelectronics offers similar specifications and functionality to the CAT24C04