24AA02-I/SN

Product Overview

Category

The 24AA02-I/SN belongs to the category of electrically erasable programmable read-only memory (EEPROM) chips.

Use

This chip is commonly used for non-volatile data storage in various electronic devices, such as microcontrollers, sensors, and communication modules.

Characteristics

• Non-volatile: The 24AA02-I/SN retains stored data even when power is removed.
• Electrically erasable: Data can be erased and reprogrammed electronically.
• Small form factor: The chip is available in a compact surface mount package.
• Low power consumption: It operates at low voltage levels, making it suitable for battery-powered devices.

Package

The 24AA02-I/SN is packaged in an industry-standard 8-pin small outline integrated circuit (SOIC) package.

Essence

The essence of the 24AA02-I/SN lies in its ability to provide reliable and non-volatile data storage in a compact and low-power package.

Packaging/Quantity

These chips are typically sold in reels or tubes, with quantities ranging from hundreds to thousands per package.

Specifications

• Memory capacity: 2 kilobits (256 bytes)
• 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 24AA02-I/SN has the following pin configuration:

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

Functional Features

• I2C interface: The chip supports the widely used I2C communication protocol.
• Byte-level addressing: Each memory location can be individually accessed and modified.
• Hardware write protection: The WP pin allows for hardware-based write protection, preventing accidental data modification.

Advantages and Disadvantages

Advantages

• Non-volatile storage: Data is retained even during power loss.
• Compact size: The small form factor enables integration into space-constrained designs.
• Low power consumption: Ideal for battery-powered devices.
• High endurance: Can withstand frequent write cycles without degradation.

Disadvantages

• Limited storage capacity: With only 2 kilobits of memory, it may not be suitable for applications requiring large amounts of data storage.
• Relatively slow write speed: EEPROMs generally have slower write speeds compared to other memory technologies.

Working Principles

The 24AA02-I/SN utilizes a floating gate transistor structure to store data. When data needs to be written or erased, an electric charge is applied to the floating gate, altering its electrical characteristics. This allows for non-volatile storage of binary information.

Detailed Application Field Plans

The 24AA02-I/SN finds application in various fields, including:

1. Consumer electronics: Used for storing configuration settings, user preferences, and calibration data in devices like smart TVs, set-top boxes, and gaming consoles.
2. Industrial automation: Enables data logging, parameter storage, and firmware updates in industrial control systems and programmable logic controllers (PLCs).
3. Automotive electronics: Utilized for storing vehicle-specific data, such as mileage, service history, and security-related information in electronic control units (ECUs) and infotainment systems.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 24AA02-I/SN include:

1. 24LC02B: Manufactured by Microchip Technology, this chip offers the same memory capacity and interface compatibility.
2. AT24C02: Produced by Atmel Corporation, it provides similar specifications and functionality.
3. CAT24C02: Manufactured by ON Semiconductor, this chip is a drop-in replacement for the 24AA02-I/SN.

These alternative models can be considered based on specific design requirements and availability.

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