CAT24C04ZI-G

Product Overview

Category

The CAT24C04ZI-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 CAT24C04ZI-G retains stored data even when power is removed.
• Electrically erasable: Data can be erased and reprogrammed electronically.
• High storage capacity: This chip has a storage capacity of 4 kilobits (512 bytes).
• Low power consumption: The CAT24C04ZI-G operates on low power, making it suitable for battery-powered devices.

Package

The CAT24C04ZI-G is available in an 8-pin SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of the CAT24C04ZI-G lies in 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 each reel containing 2,500 units.

Specifications

• Memory size: 4 kilobits (512 bytes)
• Operating voltage: 1.7V to 5.5V
• Maximum clock frequency: 400 kHz
• Write cycle endurance: 1 million cycles
• Data retention: 200 years
• Operating temperature range: -40°C to +85°C

Detailed Pin Configuration

The CAT24C04ZI-G has the following pin configuration:

1. A0: Chip address input bit 0
2. A1: Chip address input bit 1
3. A2: Chip address input bit 2
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 CAT24C04ZI-G allows random access to any memory location.
• Byte-wise read/write: Data can be read from or written to the chip on a byte-by-byte basis.
• Sequential read: The chip supports sequential read operations, allowing for efficient data retrieval.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data integrity even during power loss.
• Electrically erasable and reprogrammable, providing flexibility in data management.
• Low power consumption extends battery life in portable devices.
• High endurance and long data retention make it suitable for long-term use.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Slower write speeds compared to volatile memory types.
• Relatively higher cost per unit of storage compared to some alternatives.

Working Principles

The CAT24C04ZI-G utilizes an array of floating-gate transistors to store data. When data is written, the charge is trapped in the floating gate, representing a logical "1." Erasing the data involves removing the charge from the floating gate, returning it to a logical "0." The stored data can be accessed by sending appropriate commands through the serial interface.

Detailed Application Field Plans

The CAT24C04ZI-G finds applications in various fields, including:

1. Embedded systems: Used for storing configuration data, firmware updates, and calibration parameters in microcontrollers.
2. Automotive electronics: Employed for storing critical data like vehicle identification numbers (VINs) and mileage information.
3. Industrial automation: Used for storing machine settings, production data, and user preferences in programmable logic controllers (PLCs).
4. Consumer electronics: Utilized in devices like smart TVs, set-top boxes, and gaming consoles for storing user profiles, settings, and firmware updates.

Detailed and Complete Alternative Models

1. AT24C04: Manufactured by Atmel, this EEPROM chip offers similar specifications and functionality to the CAT24C04ZI-G.
2. 24LC04B: Produced by Microchip Technology, this EEPROM chip is compatible with the CAT24C04ZI-G and provides comparable features.
3. M24C04: Manufactured by STMicroelectronics, this EEPROM chip is another alternative with similar characteristics to the CAT24C04ZI-G.

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

In conclusion, the CAT24C04ZI-G is a non-volatile EEPROM chip that offers reliable data storage and retrieval capabilities. Its low power consumption, high endurance, and long data retention make it suitable for various applications in different industries. While it has some limitations in terms of storage capacity and write speeds, there are alternative models available that offer similar functionality.