24AA024H-I/ST

Product Overview

Category

The 24AA024H-I/ST belongs to the category of electrically erasable programmable read-only memory (EEPROM) chips.

Use

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

Characteristics

• Non-volatile: Retains stored data even when power is removed.
• Electrically erasable: Allows for easy modification of stored data.
• High storage capacity: The 24AA024H-I/ST has a storage capacity of 24 kilobits (3 kilobytes).
• Low power consumption: Designed to operate with minimal power requirements.
• Wide operating voltage range: Can function within a voltage range of 1.7V to 5.5V.
• I2C interface: Utilizes the popular I2C communication protocol for easy integration into existing systems.

Package

The 24AA024H-I/ST is available in a small surface-mount package (ST) which facilitates compact designs and ease of installation.

Essence

The essence of the 24AA024H-I/ST lies in its ability to provide reliable and non-volatile data storage in a compact and low-power package.

Packaging/Quantity

This product is typically supplied in reels or tubes, with each reel or tube containing a specific quantity of chips. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Storage Capacity: 24 kilobits (3 kilobytes)
• Operating Voltage Range: 1.7V to 5.5V
• Communication Interface: I2C
• Package Type: Surface Mount (ST)
• Operating Temperature Range: -40°C to +85°C
• Data Retention: Minimum 200 years
• Write Endurance: 1,000,000 cycles

Detailed Pin Configuration

The 24AA024H-I/ST has a total of 8 pins, each serving a specific function:

1. VCC: Power supply voltage input
2. SDA: Serial data line for I2C communication
3. SCL: Serial clock line for I2C communication
4. WP: Write-protect pin for hardware protection
5. A0: Address bit 0 for device addressing
6. A1: Address bit 1 for device addressing
7. A2: Address bit 2 for device addressing
8. GND: Ground reference

Functional Features

• Byte and Page Write Operations: Allows individual byte or page-level data writes.
• Sequential Read Operation: Enables efficient retrieval of stored data.
• Software Write Protection: Provides the option to protect specific memory areas from accidental modification.
• Hardware Write Protection: Allows for permanent write protection using the WP pin.
• Self-Timed Erase/Write Cycle: Simplifies programming operations by automatically managing timing requirements.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data retention even during power loss.
• Compact package size facilitates integration into space-constrained designs.
• Low power consumption extends battery life in portable devices.
• Wide operating voltage range enhances compatibility with various systems.
• I2C interface simplifies communication with other devices.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Relatively slower write and erase times compared to some alternatives.
• Vulnerable to electromagnetic interference due to its small package size.

Working Principles

The 24AA024H-I/ST utilizes EEPROM technology, which allows for electrically erasing and reprogramming of data. It consists of a grid of memory cells that can be individually addressed and modified. The data is stored as electrical charges within these cells, and the state of each cell determines the stored data.

During write operations, the desired data is sent to the chip using the I2C interface. The chip then erases the targeted memory cells and writes the new data by applying appropriate electrical voltages. During read operations, the chip retrieves the stored data from the memory cells and sends it back through the I2C interface.

Detailed Application Field Plans

The 24AA024H-I/ST 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 vehicle-specific settings, mileage data, and fault codes in automotive control units.
3. Consumer Electronics: Utilized in devices such as smart TVs, set-top boxes, and gaming consoles for storing user preferences and system configurations.
4. Industrial Automation: Integrated into programmable logic controllers (PLCs) and industrial sensors for storing critical parameters and calibration data.
5. Medical Devices: Incorporated into medical equipment for storing patient data, device settings, and usage logs.

Detailed and Complete Alternative Models