24AA16-E/ST

Product Overview

Category

The 24AA16-E/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, embedded systems, and consumer electronics.

Characteristics

• Electrically erasable: The 24AA16-E/ST allows for easy erasure and reprogramming of data without requiring physical removal.
• High storage capacity: This chip has a storage capacity of 16 kilobits (2 kilobytes), allowing for ample data storage.
• Low power consumption: The 24AA16-E/ST operates at low power levels, making it suitable for battery-powered devices.
• I2C interface: It utilizes the Inter-Integrated Circuit (I2C) protocol for communication with other devices.

Package

The 24AA16-E/ST is available in an 8-pin SOIC (Small Outline Integrated Circuit) package, which provides compactness and ease of integration into circuit boards.

Essence

The essence of the 24AA16-E/ST lies in its ability to store and retrieve data reliably, while offering flexibility for frequent updates or modifications.

Packaging/Quantity

This product is typically sold in reels containing multiple units. The exact quantity may vary depending on the supplier.

Specifications

• Memory capacity: 16 kilobits (2 kilobytes)
• Operating voltage: 1.7V to 5.5V
• Operating temperature range: -40°C to +85°C
• Write endurance: 1 million write cycles
• Data retention: Up to 200 years

Detailed Pin Configuration

The 24AA16-E/ST features the following pin configuration:

1. VCC: Power supply voltage
2. SDA: Serial data input/output for I2C communication
3. SCL: Serial clock input for I2C communication
4. WP: Write-protect pin (optional)
5. A0, A1, A2: Device address selection pins
6. GND: Ground

Functional Features

• Byte-level read and write operations: The 24AA16-E/ST allows individual bytes to be read from or written to, providing flexibility in data manipulation.
• Sequential read operation: It supports sequential reading of multiple bytes, enabling efficient retrieval of consecutive data.
• Software write protection: The chip offers a write-protect feature that can be enabled through software control, preventing accidental modification of stored data.
• Hardware write protection: In addition to software write protection, the 24AA16-E/ST also supports hardware write protection using the WP pin.

Advantages and Disadvantages

Advantages

• Easy data storage and retrieval
• Compact package size
• Low power consumption
• High data retention
• Flexible write protection options

Disadvantages

• Limited storage capacity compared to other memory technologies
• Relatively slower write speeds compared to some alternatives

Working Principles

The 24AA16-E/ST utilizes EEPROM technology, which employs floating-gate transistors to store and retrieve data. When writing data, an electric charge is applied to specific memory cells, altering their electrical state. This change can be detected during subsequent read operations. The I2C interface facilitates communication between the chip and the controlling device, allowing for seamless data transfer.

Detailed Application Field Plans

The 24AA16-E/ST finds applications in various fields, including but not limited to: - Automotive electronics - Industrial automation - Medical devices - Consumer electronics - Internet of Things (IoT) devices

In automotive electronics, this chip can be used for storing configuration data, such as engine parameters or user preferences. In industrial automation, it can store calibration data for sensors or control settings. Medical devices can utilize the 24AA16-E/ST for storing patient information or device-specific data. In consumer electronics, it can be employed for firmware storage or user profiles. IoT devices can benefit from this chip's non-volatile memory for storing network configurations or sensor data.

Detailed and Complete Alternative Models

• 24LC16B-I/SN: Similar EEPROM chip with the same capacity and I2C interface, but in a different package (8-pin SOIC).
• AT24C16AN-10SU-2.7: EEPROM chip with the same capacity and I2C interface, but operating at a lower voltage range (1.8V to 5.5V) and featuring a different pin configuration.
• CAT24C16WI-GT3: EEPROM chip with the same capacity and I2C interface, but offering faster write speeds and a wider operating temperature range (-40°C to +125°C).

These alternative models provide similar functionality to the 24AA16