24AA02HT-I/OT

Product Overview

Category

The 24AA02HT-I/OT 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, sensors, and communication modules.

Characteristics

• Electrically erasable: The 24AA02HT-I/OT allows for easy modification of stored data without requiring physical removal.
• Programmable: Users can write and rewrite data multiple times onto the chip.
• Non-volatile: The stored data remains intact even when power is disconnected.
• High reliability: This EEPROM chip offers robust performance and long-term data retention.
• Low power consumption: The 24AA02HT-I/OT operates efficiently, minimizing energy usage.

Package

The 24AA02HT-I/OT comes in a small surface-mount package, making it suitable for compact electronic devices.

Essence

The essence of this product lies in its ability to provide reliable and flexible non-volatile data storage solutions for various applications.

Packaging/Quantity

The 24AA02HT-I/OT is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Memory capacity: 2 kilobits (256 bytes)
• Interface: I2C (Inter-Integrated Circuit)
• Operating voltage: 1.7V to 5.5V
• Operating temperature range: -40°C to +85°C
• Write endurance: Up to 1 million write cycles
• Data retention: Up to 200 years

Detailed Pin Configuration

The 24AA02HT-I/OT has a standard 8-pin configuration:

1. VCC: Power supply input
2. SDA: Serial data line for I2C communication
3. SCL: Serial clock line for I2C communication
4. WP: Write-protect pin (optional)
5. A0: Address bit 0
6. A1: Address bit 1
7. GND: Ground connection
8. NC: No connection

Functional Features

• Sequential read and write operations: The chip allows for efficient reading and writing of data in a sequential manner.
• Software write protection: The optional write-protect pin (WP) can be used to prevent accidental modification of stored data.
• Hardware write protection: Certain memory blocks can be permanently write-protected during manufacturing, ensuring data integrity.
• Page write buffer: The 24AA02HT-I/OT includes an onboard page write buffer, enabling faster write operations.

Advantages and Disadvantages

Advantages

• Compact size and surface-mount package make it suitable for space-constrained applications.
• High reliability and long data retention ensure the integrity of stored information.
• Low power consumption extends battery life in portable devices.
• Flexible write protection options provide enhanced security for critical data.

Disadvantages

• Limited storage capacity compared to larger EEPROM chips.
• Slower write speeds compared to other non-volatile memory technologies.
• Higher cost per kilobit compared to alternative memory solutions.

Working Principles

The 24AA02HT-I/OT utilizes electrically controlled floating gate transistors to store and retrieve data. When writing data, an electrical charge is applied to the floating gate, altering its conductivity and storing the desired information. During read operations, the stored charge is measured, allowing the retrieval of the stored data.

Detailed Application Field Plans

The 24AA02HT-I/OT finds application in various fields, including but not limited to: - Consumer electronics: Used for configuration storage in smart home devices, wearables, and audio/video equipment. - Industrial automation: Enables data storage in programmable logic controllers (PLCs), sensors, and control modules. - Automotive electronics: Used for storing calibration data, configuration settings, and event logs in automotive systems. - Medical devices: Provides non-volatile memory for patient monitoring equipment, diagnostic devices, and implantable devices.

Detailed and Complete Alternative Models

Some alternative models to the 24AA02HT-I/OT include: - 24LC02B-I/SN: Similar capacity EEPROM chip with an extended operating temperature range (-40°C to +125°C). - 24C02C-I/P: Lower-cost EEPROM chip with the same capacity but without I2C interface compatibility. - AT24C02N-10SU-2.7: EEPROM chip from a different manufacturer with similar specifications and pin configuration.

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