AT24C08C-XHM-B

Product Overview

Category

AT24C08C-XHM-B belongs to the category of EEPROM (Electrically Erasable Programmable Read-Only Memory) chips.

Use

This chip is commonly used for non-volatile data storage in various electronic devices, such as microcontrollers, computers, and consumer electronics.

Characteristics

• Non-volatile: The stored data remains even when power is removed.
• Electrically erasable: Data can be erased and reprogrammed electronically.
• High reliability: Designed to withstand harsh environmental conditions.
• Low power consumption: Operates efficiently with minimal power requirements.

Package

AT24C08C-XHM-B is available in a compact 8-pin SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of AT24C08C-XHM-B lies in its ability to provide reliable and non-volatile data storage in a compact form factor.

Packaging/Quantity

This chip is typically packaged in reels or tubes, with each reel containing 2500 units.

Specifications

• Memory Size: 8 kilobits (1024 bytes)
• Interface: I2C (Inter-Integrated Circuit)
• Operating Voltage: 1.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Write Endurance: 1 million cycles
• Data Retention: 100 years

Detailed Pin Configuration

AT24C08C-XHM-B has the following pin configuration:

1. A0: Address Input
2. A1: Address Input
3. A2: Address Input
4. GND: Ground
5. SDA: Serial Data Input/Output
6. SCL: Serial Clock Input
7. WP: Write Protect
8. VCC: Power Supply

Functional Features

• Random Access: Allows reading and writing of data at any memory location.
• Page Write Mode: Enables writing multiple bytes in a single operation, improving efficiency.
• Software Write Protection: Provides the option to protect specific memory areas from being overwritten.
• Hardware Write Protection: WP pin can be used to disable write operations for enhanced security.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data integrity even during power loss.
• High reliability and endurance make it suitable for critical applications.
• Low power consumption extends battery life in portable devices.
• Compact package size allows for easy integration into various electronic systems.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Slower write speeds compared to volatile memory types.
• Sensitive to electromagnetic interference (EMI) due to its non-volatile nature.

Working Principles

AT24C08C-XHM-B utilizes electrically erasable floating-gate transistors to store data. When a write operation is performed, an electrical charge is applied to the floating gate, altering its threshold voltage. This change in threshold voltage represents the stored data. During read operations, the threshold voltage is measured to determine the stored information.

Detailed Application Field Plans

AT24C08C-XHM-B finds applications in various fields, including:

1. Embedded Systems: Used for storing configuration data, calibration values, and firmware updates in microcontrollers.
2. Industrial Automation: Enables data logging, parameter storage, and device identification in industrial control systems.
3. Automotive Electronics: Stores vehicle-specific settings, fault codes, and user preferences in automotive modules.
4. Consumer Electronics: Utilized in smart TVs, set-top boxes, and gaming consoles for storing user profiles, preferences, and application data.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to AT24C08C-XHM-B are:

1. AT24C02C-XHM-B: 2 kilobit EEPROM chip with the same package and interface.
2. AT24C16C-XHM-B: 16 kilobit EEPROM chip with higher storage capacity.
3. AT24C64C-XHM-B: 64 kilobit EEPROM chip with extended memory size.

These alternative models provide options for different storage requirements while maintaining compatibility with the I2C interface.

In conclusion, AT24C08C-XHM-B is a reliable and versatile EEPROM chip that offers non-volatile data storage in a compact form factor. Its high reliability, low power consumption, and various functional features make it suitable for a wide range of applications in embedded systems, industrial automation, automotive electronics, and consumer electronics.