AT24C04B-TH-T

Product Overview

Category

AT24C04B-TH-T belongs to the category of electrically erasable programmable read-only memory (EEPROM) chips.

Use

This product is primarily used for non-volatile data storage in various electronic devices, such as microcontrollers, computers, and consumer electronics.

Characteristics

• Non-volatile: The stored data remains even when power is removed.
• Electrically erasable: Data can be erased and reprogrammed electronically.
• High reliability: Offers robust data retention and endurance.
• Low power consumption: Operates efficiently with minimal power requirements.

Package

AT24C04B-TH-T is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of this product lies in its ability to provide reliable and flexible data storage solutions for electronic devices.

Packaging/Quantity

AT24C04B-TH-T is typically packaged in reels or tubes, with each reel containing a specific quantity of chips. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Memory 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: Up to 100 years

Detailed Pin Configuration

The AT24C04B-TH-T chip has a total of 8 pins, which are assigned specific functions:

1. A0: Address input pin 0
2. A1: Address input pin 1
3. A2: Address input pin 2
4. GND: Ground connection
5. SDA: Serial data input/output
6. SCL: Serial clock input
7. WP: Write protect
8. VCC: Power supply voltage

Functional Features

• Serial interface: Supports I2C (Inter-Integrated Circuit) communication protocol.
• Byte-level read/write operations: Allows individual byte access for efficient data manipulation.
• Hardware write protection: The WP pin can be used to prevent accidental writes to the memory.
• Software write protection: Configurable software protection mechanisms ensure data integrity.

Advantages and Disadvantages

Advantages

• Compact size: The small form factor makes it suitable for space-constrained applications.
• High reliability: Offers robust data retention and endurance, ensuring long-term data integrity.
• Low power consumption: Operates efficiently, minimizing power requirements.
• Flexible interface: Supports standard I2C communication protocol, enabling easy integration into various systems.

Disadvantages

• Limited storage capacity: With a capacity of 4 kilobits, it may not be suitable for applications requiring large amounts of data storage.
• Relatively slower write speed: Compared to other memory technologies, EEPROMs generally have slower write speeds.

Working Principles

AT24C04B-TH-T utilizes electrically erasable programmable read-only memory technology. It consists of a grid of memory cells that can be individually programmed or erased using electrical signals. The memory cells store data in the form of electrical charges, which can be read back by the system.

The chip communicates with the host device through the I2C serial interface. The host device sends commands and addresses to access specific memory locations for reading or writing data. The AT24C04B-TH-T chip responds accordingly, allowing the transfer of data between the host and the memory cells.

Detailed Application Field Plans

AT24C04B-TH-T finds application in various electronic devices and systems, including but not limited to:

1. Microcontrollers: Used for storing configuration settings, calibration data, and firmware updates.
2. Computers: Employed in BIOS chips, storing system information and settings.
3. Consumer electronics: Integrated into devices like smart TVs, set-top boxes, and audio systems for data storage purposes.
4. Automotive electronics: Utilized in vehicle control units for storing critical data and parameters.

Detailed and Complete Alternative Models

1. AT24C01B-TH-T: 1 kilobit EEPROM chip with similar characteristics and package.
2. AT24C02B-TH-T: 2 kilobit EEPROM chip with similar characteristics and package.
3. AT24C08B-TH-T: 8 kilobit EEPROM chip with similar characteristics and package.
4. AT24C16B-TH-T: 16 kilobit EEPROM chip with similar characteristics and package.

These alternative models offer different memory capacities to suit specific application requirements while maintaining compatibility with the AT24C04B-TH-T in terms of package and functionality.

In conclusion, AT24C04B-TH-T is a reliable and versatile EEPROM chip that provides non-volatile data storage solutions for various electronic devices. Its compact size, high