24AA08/SN

Product Overview

Category

The 24AA08/SN 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, computers, and consumer electronics.

Characteristics

• Electrically erasable: The 24AA08/SN can be erased and reprogrammed electronically, making it convenient for updating stored data.
• Non-volatile: The chip retains its stored data even when power is removed.
• High storage capacity: The 24AA08/SN has a storage capacity of 8 kilobits (1 kilobyte).
• Low power consumption: This chip operates on low power, making it suitable for battery-powered devices.

Package

The 24AA08/SN is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of the 24AA08/SN lies in its ability to store and retrieve data reliably, while offering ease of use and low power consumption.

Packaging/Quantity

This product is typically sold in reels or tubes, with each reel containing a specific quantity of chips. The exact packaging and quantity may vary depending on the manufacturer.

Specifications

• Storage Capacity: 8 kilobits (1 kilobyte)
• Interface: I2C (Inter-Integrated Circuit)
• Operating Voltage: 1.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Write Cycle Endurance: 1 million cycles
• Data Retention: 200 years

Detailed Pin Configuration

The 24AA08/SN has a total of 8 pins, which are assigned specific functions:

1. VCC: Power supply voltage input
2. SDA: Serial data input/output for I2C communication
3. SCL: Serial clock input for I2C communication
4. WP: Write protect pin to enable/disable write operations
5. A0, A1, A2: Address pins for device addressing
6. GND: Ground connection

Functional Features

• Sequential Read: The chip allows sequential reading of multiple memory locations, enabling efficient data retrieval.
• Write Protection: The WP pin can be used to protect the stored data from accidental modification.
• Software Write Protection: The 24AA08/SN supports software write protection, allowing specific memory areas to be locked to prevent further modifications.
• Self-Timed Programming Cycle: The chip automatically manages the programming cycle, simplifying the writing process.

Advantages and Disadvantages

Advantages

• High storage capacity in a compact form factor
• Low power consumption
• Reliable data retention
• Ease of use with I2C interface
• Support for write protection mechanisms

Disadvantages

• Limited storage capacity compared to other EEPROM chips
• Relatively slower write speed compared to other non-volatile memory technologies

Working Principles

The 24AA08/SN utilizes an electrically erasable floating-gate transistor technology. It stores data by trapping charges in the floating gate, which can be erased or programmed using electrical signals. The I2C interface facilitates communication between the chip and the controlling device, allowing data to be read from or written to specific memory locations.

Detailed Application Field Plans

The 24AA08/SN finds applications in various fields, including:

1. Embedded Systems: Used for storing configuration data, firmware updates, and calibration parameters in microcontrollers and system-on-chips.
2. Automotive Electronics: Employed for storing critical data, such as vehicle identification numbers (VINs), mileage, and diagnostic information.
3. Industrial Automation: Utilized for storing production data, equipment settings, and user preferences in programmable logic controllers (PLCs) and human-machine interfaces (HMIs).
4. Consumer Electronics: Integrated into devices like smart TVs, set-top boxes, and gaming consoles to store user profiles, settings, and application data.

Detailed and Complete Alternative Models

1. 24LC08B: Similar EEPROM chip with the same storage capacity and I2C interface, manufactured by Microchip Technology.
2. AT24C08A: EEPROM chip with 8 kilobits storage capacity and I2C interface, produced by Atmel Corporation.
3. CAT24C08: Electrically erasable memory chip with 8 kilobits capacity and I2C interface, manufactured by ON Semiconductor.

These alternative models offer similar functionality and can be considered as substitutes for the 24AA08/SN depending on specific requirements and availability.

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