24AA128/W15K

Product Overview

Category

The 24AA128/W15K belongs to the category of electrically erasable programmable read-only memory (EEPROM) chips.

Use

It is used for non-volatile data storage in various electronic devices, including consumer electronics, industrial equipment, and automotive applications.

Characteristics

• The 24AA128/W15K offers high reliability and low power consumption.
• It comes in a small form factor, making it suitable for compact designs.
• The chip supports I2C communication protocol for easy integration into digital systems.

Package

The 24AA128/W15K is available in surface-mount packages, such as SOIC and TSSOP, with varying pin counts.

Essence

The essence of the 24AA128/W15K lies in its ability to store and retrieve data reliably in diverse electronic applications.

Packaging/Quantity

The chip is typically supplied in tape and reel packaging, with quantities ranging from hundreds to thousands per reel.

Specifications

• Memory Capacity: 128 kilobits (16 kilobytes)
• Interface: I2C
• Operating Voltage: 1.7V to 5.5V
• Operating Temperature Range: -40°C to 85°C
• Write Cycle Endurance: 1,000,000 cycles
• Data Retention: 200 years

Detailed Pin Configuration

The 24AA128/W15K features a standard 8-pin configuration, including power supply, ground, and I2C communication pins. Refer to the datasheet for the complete pinout diagram.

Functional Features

• Byte and Page Write Modes: Allows flexible data programming.
• Write Protect Function: Prevents accidental write operations.
• Sequential Read Function: Enables efficient data retrieval.
• Software Write Protection: Enhances data security.

Advantages and Disadvantages

Advantages

• Low power consumption extends battery life in portable devices.
• High reliability ensures data integrity in critical applications.
• Small form factor enables integration into space-constrained designs.

Disadvantages

• Limited storage capacity compared to larger EEPROM chips.
• Slower write speeds when compared to some other non-volatile memory technologies.

Working Principles

The 24AA128/W15K operates by storing data using electrically isolated transistors, allowing for non-volatile memory storage. When data needs to be written or read, the chip communicates with the host system via the I2C interface, enabling seamless data transfer.

Detailed Application Field Plans

Consumer Electronics

• Used in smart home devices for storing configuration settings.
• Integrated into wearable technology for data logging purposes.

Industrial Equipment

• Employed in sensor modules for storing calibration data.
• Utilized in control systems for parameter storage.

Automotive Applications

• Embedded in vehicle infotainment systems for storing user preferences.
• Integrated into electronic control units for firmware updates and event logging.

Detailed and Complete Alternative Models

• AT24C128: Offers similar capacity and I2C interface.
• CAT24C128: Provides compatibility with I2C and SMBus protocols.

In conclusion, the 24AA128/W15K EEPROM chip serves as a reliable and versatile solution for non-volatile data storage in a wide range of electronic applications, offering a balance of performance, size, and functionality.

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