24AA256UIDT-I/SN

Product Overview

Category

The 24AA256UIDT-I/SN belongs to the category of electrically erasable programmable read-only memory (EEPROM) chips.

Use

This product is commonly used for storing and retrieving data in various electronic devices, such as microcontrollers, embedded systems, and consumer electronics.

Characteristics

• Non-volatile memory: The 24AA256UIDT-I/SN retains stored data even when power is removed.
• High storage capacity: This chip has a capacity of 256 kilobits (32 kilobytes), allowing for ample data storage.
• Low power consumption: The device operates at low power levels, making it suitable for battery-powered applications.
• I2C interface: It utilizes the Inter-Integrated Circuit (I2C) protocol for communication with other devices.
• Small form factor: The chip is packaged in a compact 8-pin SOIC package, enabling easy integration into space-constrained designs.

Packaging/Quantity

The 24AA256UIDT-I/SN is typically supplied in tape and reel packaging, with 2500 units per reel.

Specifications

• Memory capacity: 256 kilobits (32 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
• Communication interface: I2C (Two-wire serial interface)

Detailed Pin Configuration

The 24AA256UIDT-I/SN features an 8-pin Small Outline Integrated Circuit (SOIC) package. The pin configuration is as follows:

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: 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

• Random access: The chip allows for random read and write operations, enabling efficient data manipulation.
• Hardware write protection: The optional write protect pin (WP) can be used to prevent accidental modification of stored data.
• Sequential read mode: The device supports sequential read operations, allowing for faster data retrieval.
• Software write protection: The chip provides software-controlled write protection, enhancing data security.

Advantages and Disadvantages

Advantages

• High storage capacity enables extensive data storage.
• Low power consumption prolongs battery life in portable devices.
• Compact form factor facilitates integration into space-constrained designs.
• I2C interface simplifies communication with other devices.
• Long data retention period ensures data integrity over extended periods.

Disadvantages

• Limited write endurance may restrict certain high-write applications.
• Relatively slower write speed compared to some other memory technologies.
• Requires an external microcontroller or host device for operation.

Working Principles

The 24AA256UIDT-I/SN operates based on the principles of EEPROM technology. It utilizes a grid of floating-gate transistors to store and retrieve data. When writing data, an electric charge is applied to the floating gate, altering its electrical characteristics. This change is then detected during subsequent read operations.

Detailed Application Field Plans

The 24AA256UIDT-I/SN finds application in various fields, including but not limited to: - Industrial automation systems - Automotive electronics - Smart home devices - Medical equipment - Wearable technology - Internet of Things (IoT) devices

Detailed and Complete Alternative Models

Some alternative models to the 24AA256UIDT-I/SN include: - AT24C256C-SSHL-T: Similar EEPROM chip with I2C interface, offered by Atmel. - CAT24C256WI-GT3: EEPROM chip with I2C interface, provided by ON Semiconductor. - M24M02-DRMN6TP: Serial EEPROM chip with larger capacity, manufactured by STMicroelectronics.

These alternative models offer similar functionality and can be considered as substitutes for the 24AA256UIDT-I/SN in various applications.

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