24AA04H-I/MS

Product Overview

Category

The 24AA04H-I/MS belongs to the category of electrically erasable programmable read-only memory (EEPROM) chips.

Use

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

Characteristics

• Electrically erasable: The 24AA04H-I/MS can be erased and reprogrammed electronically, making it convenient for data storage.
• High capacity: This chip has a storage capacity of 4 kilobits (512 bytes), allowing for ample data storage.
• Low power consumption: It operates at low power levels, making it suitable for battery-powered devices.
• Small package size: The 24AA04H-I/MS is available in a miniature surface mount package, enabling compact designs.
• Durable: It offers high endurance and reliability, ensuring data integrity over extended periods.

Package and Quantity

The 24AA04H-I/MS is typically packaged in a small outline integrated circuit (SOIC) package. It is supplied in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Memory capacity: 4 kilobits (512 bytes)
• Operating voltage: 1.7V to 5.5V
• Operating temperature range: -40°C to +85°C
• Write endurance: 1 million write cycles
• Data retention: 200 years
• Interface: I2C (two-wire serial interface)

Detailed Pin Configuration

The 24AA04H-I/MS features an 8-pin SOIC package with the following pin configuration:

1. VSS: Ground
2. SDA: Serial data input/output
3. SCL: Serial clock input
4. WP: Write protect
5. VCC: Power supply
6. A0: Chip address input bit 0
7. A1: Chip address input bit 1
8. NC: No connection

Functional Features

• Byte-level read and write operations: The chip allows individual bytes to be read from or written to, providing flexibility in data manipulation.
• Sequential read mode: It supports sequential reading of multiple bytes, reducing the number of required commands for data retrieval.
• Write protection: The WP pin can be used to protect the stored data from accidental modification.
• Software write protection: The chip provides software-controlled write protection, allowing specific memory areas to be locked.

Advantages and Disadvantages

Advantages

• High storage capacity for its compact size
• Low power consumption, suitable for battery-powered devices
• Durable and reliable, ensuring data integrity
• Flexible read and write operations
• Support for sequential reading, enhancing data retrieval efficiency

Disadvantages

• Limited storage capacity compared to higher-capacity EEPROM chips
• Requires an I2C interface for communication

Working Principles

The 24AA04H-I/MS utilizes electrically erasable technology to store and retrieve data. It consists of a grid of memory cells that can be individually programmed or erased using electrical signals. The chip communicates with the host device through the I2C interface, enabling data transfer between the memory and the microcontroller.

Detailed Application Field Plans

The 24AA04H-I/MS finds applications in various fields, including:

1. Embedded systems: Used for storing configuration data, calibration values, and firmware updates in microcontrollers.
2. Automotive electronics: Employed for storing critical data, such as vehicle identification numbers (VINs) and mileage information.
3. Industrial automation: Utilized for storing production data, sensor calibration values, and system parameters.
4. Consumer electronics: Integrated into devices like smart TVs, set-top boxes, and gaming consoles for storing user preferences and settings.

Detailed and Complete Alternative Models

1. 24AA04: Similar to the 24AA04H-I/MS but without the extended temperature range.
2. 24LC04B: A compatible alternative from a different manufacturer, offering similar specifications and functionality.
3. AT24C04: Another EEPROM chip with comparable capacity and interface, manufactured by Atmel (now Microchip Technology).

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

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