24AA044T-I/ST

Product Overview

Category

The 24AA044T-I/ST 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 24AA044T-I/ST retains stored data even when power is removed.
• Electrically erasable: The chip allows for easy modification and erasure of stored data.
• High storage capacity: This model has a storage capacity of 4 kilobits (512 bytes).
• Low power consumption: The chip operates on low power, making it suitable for battery-powered devices.

Package

The 24AA044T-I/ST comes in a small outline transistor (SOT) package, which ensures compactness and ease of integration into electronic circuits.

Essence

The essence of this product lies in its ability to provide reliable and non-volatile data storage in a compact form factor.

Packaging/Quantity

The 24AA044T-I/ST is typically packaged in reels or tubes, with each reel containing 2,000 units.

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

Detailed Pin Configuration

The 24AA044T-I/ST has a total of 8 pins, which are as follows:

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

Functional Features

• Sequential read and write operations: The chip allows for sequential reading and writing of data, enabling efficient data transfer.
• Hardware write protection: The WP pin can be used to protect the stored data from accidental modification.
• Software write protection: The chip supports software-based write protection, providing additional security for critical data.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data retention even during power loss.
• Compact form factor enables integration into space-constrained designs.
• Low power consumption extends battery life in portable devices.
• High write endurance allows for frequent data updates without compromising reliability.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Relatively slower read and write speeds compared to volatile memory types.
• Higher cost per byte compared to traditional read-only memory (ROM) chips.

Working Principles

The 24AA044T-I/ST utilizes a combination of electrically erasable programmable read-only memory (EEPROM) and semiconductor technology. It stores data by trapping electric charges within its memory cells, which can be modified or erased using electrical signals. During read operations, the stored data is retrieved by sensing the charge levels within the memory cells.

Detailed Application Field Plans

The 24AA044T-I/ST finds applications in various fields, including:

1. Embedded systems: Used for storing configuration data, firmware, and calibration parameters in microcontrollers and system-on-chip (SoC) devices.
2. Industrial automation: Enables non-volatile storage of critical data, such as sensor calibration values and device settings.
3. Automotive electronics: Utilized for storing vehicle-specific data, such as mileage, service history, and user preferences.
4. Consumer electronics: Used in devices like smart TVs, set-top boxes, and gaming consoles for storing user profiles, settings, and firmware updates.

Detailed and Complete Alternative Models

1. 24AA02E48-I/ST: A similar EEPROM chip with a smaller storage capacity of 2 kilobits (256 bytes).
2. 24AA128T-I/ST: An alternative model with a higher storage capacity of 128 kilobits (16 kilobytes).
3. 24LC256-I/ST: A compatible EEPROM chip from a different manufacturer with a storage capacity of 256 kilobits (32 kilobytes).

(Note: The above alternative models are provided for reference purposes and may have different specifications and pin configurations.)

In conclusion, the 24AA044T-I/ST is a compact and reliable EEPROM chip that offers non-volatile data storage for various electronic devices. Its high write endurance, low power consumption, and hardware/software write protection features make it suitable for a wide range of applications.