24AA044T-I/MS

Product Overview

Category: Integrated Circuit (IC)

Use: Non-volatile Electrically Erasable Programmable Read-Only Memory (EEPROM)

Characteristics: - Low power consumption - High reliability - Small form factor - Wide operating voltage range

Package: MSOP-8 (Mini Small Outline Package)

Essence: The 24AA044T-I/MS is a 4K-bit EEPROM IC that provides non-volatile storage of data. It is commonly used in various electronic devices for storing configuration settings, calibration data, and other critical information.

Packaging/Quantity: The 24AA044T-I/MS is available in tape and reel packaging, with 2500 units per reel.

Specifications

• Memory Size: 4K bits (512 bytes)
• Operating Voltage Range: 1.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Write Cycle Endurance: 1 Million cycles
• Data Retention: 200 years
• Interface: I2C (Two-wire Serial Interface)

Detailed Pin Configuration

The 24AA044T-I/MS has a total of 8 pins arranged as follows:

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| | | 1 8 | | | | 2 7| | | | 3 6| | | | 4 5 | |___________| ```

Pin Description: 1. VCC: Power supply input 2. SDA: Serial Data Line (I2C bus) 3. SCL: Serial Clock Line (I2C bus) 4. WP: Write Protect (active low) 5. A0: Address bit 0 6. A1: Address bit 1 7. GND: Ground 8. NC: No Connection

Functional Features

• Byte and Page Write Modes: The 24AA044T-I/MS supports both byte and page write modes, allowing flexible data storage options.
• Software Write Protection: The WP pin can be used to enable or disable write operations, providing enhanced security for stored data.
• Sequential Read Operation: The IC allows sequential read operations, enabling efficient retrieval of stored data.
• Self-timed Write Cycle: The device automatically manages the timing of write cycles, simplifying the integration process.

Advantages and Disadvantages

Advantages: - Low power consumption makes it suitable for battery-powered devices. - High reliability ensures data integrity even in harsh operating conditions. - Small form factor saves valuable board space. - Wide operating voltage range allows compatibility with various systems.

Disadvantages: - Limited storage capacity (4K bits) may not be sufficient for certain applications requiring larger memory sizes. - I2C interface may have limitations in terms of speed and distance compared to other communication protocols.

Working Principles

The 24AA044T-I/MS utilizes EEPROM technology to store data. It consists of a grid of memory cells that can be electrically programmed and erased. The IC uses an I2C bus interface to communicate with the host system, allowing for easy integration into various electronic devices.

During write operations, the data is transferred from the host system to the IC and stored in the memory cells. The self-timed write cycle ensures proper programming of the data. During read operations, the stored data is retrieved from the memory cells and sent back to the host system.

Detailed Application Field Plans

The 24AA044T-I/MS finds applications in a wide range of electronic devices, including but not limited to: - Consumer electronics (e.g., TVs, set-top boxes, gaming consoles) - Automotive systems (e.g., infotainment systems, engine control units) - Industrial equipment (e.g., sensors, control modules) - Medical devices (e.g., patient monitoring systems, diagnostic equipment)

The IC's non-volatile memory capability makes it suitable for storing critical data such as device configurations, calibration values, and user preferences.

Detailed and Complete Alternative Models

1. 24AA04: Similar to 24AA044T-I/MS but with a different package (SOIC-8).
2. 24LC04B: Compatible alternative from Microchip Technology with the same memory size and I2C interface.
3. AT24C04: Alternative from Atmel with similar specifications and functionality.

These alternative models provide options for different package preferences or compatibility requirements while offering similar features and performance.

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