Microchip Technology
La imagen puede ser una representación.
Consulte las especificaciones para obtener detalles del producto.
AT24C02A-10PC
Ver Detalle Hojas de datos

AT24C02A-10PC

Product Overview

Category

AT24C02A-10PC 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, computers, and consumer electronics.

Characteristics

  • Electrically erasable: The AT24C02A-10PC can be erased and reprogrammed electronically, making it convenient for data updates.
  • Non-volatile: The stored data remains intact even when power is removed.
  • Low power consumption: This chip operates at low power levels, making it suitable for battery-powered devices.
  • High reliability: It offers excellent data retention and endurance characteristics.
  • Small form factor: The AT24C02A-10PC comes in a compact package, allowing for easy integration into different electronic systems.

Package and Quantity

The AT24C02A-10PC is available in a 8-pin DIP (Dual Inline Package) configuration. It is typically sold in reels or tubes containing multiple units.

Specifications

  • Memory capacity: 2 kilobits (256 bytes)
  • Operating voltage: 1.7V to 5.5V
  • Operating temperature range: -40°C to +85°C
  • Write cycle endurance: 1 million cycles
  • Data retention: 100 years

Pin Configuration

The AT24C02A-10PC has the following pin configuration:

____ 1 |o | 8| VCC 2 | | 7| WP 3 | | 6| SDA 4 | | 5| SCL ----

  1. VCC: Power supply voltage input
  2. WP: Write Protect pin for write protection
  3. SDA: Serial Data pin for data input/output
  4. SCL: Serial Clock pin for synchronization

Functional Features

  • Random access: The AT24C02A-10PC allows random read and write operations, enabling efficient data retrieval and modification.
  • I2C interface: It utilizes the I2C (Inter-Integrated Circuit) protocol for communication with other devices, ensuring compatibility and ease of integration.
  • Hardware write protection: The WP pin can be used to protect the stored data from accidental overwriting.
  • Page write mode: This chip supports page write operations, allowing multiple bytes to be written in a single operation, enhancing efficiency.

Advantages and Disadvantages

Advantages

  • Easy integration into various electronic systems due to its small form factor.
  • High reliability and long data retention period.
  • Low power consumption, making it suitable for battery-powered devices.
  • Efficient random access and page write capabilities.

Disadvantages

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

Working Principles

The AT24C02A-10PC operates based on the principles of electrically erasable programmable read-only memory. It uses a combination of transistors and capacitors to store and retrieve data. When data is written, the chip applies an electrical charge to specific memory cells, altering their state. During read operations, the chip detects the stored charge and interprets it as binary data.

Detailed Application Field Plans

The AT24C02A-10PC finds applications in various fields, including:

  1. Microcontrollers: Used for storing configuration settings, calibration data, and program code.
  2. Computers: Employed in BIOS (Basic Input/Output System) chips for storing system parameters and firmware updates.
  3. Consumer electronics: Used in devices like smart TVs, set-top boxes, and digital cameras for storing user preferences, settings, and firmware updates.
  4. Automotive: Utilized in electronic control units (ECUs) for storing critical data related to vehicle performance and diagnostics.

Detailed and Complete Alternative Models

  1. AT24C01A-10PC: Similar to the AT24C02A-10PC but with a smaller memory capacity of 1 kilobit.
  2. AT24C04A-10PC: Offers double the memory capacity compared to the AT24C02A-10PC, with 4 kilobits of storage.

These alternative models provide options for different memory requirements while maintaining similar characteristics and functionality.

In conclusion, the AT24C02A-10PC is a versatile EEPROM chip that offers reliable non-volatile data storage in a compact package. Its electrically erasable nature, low power consumption, and compatibility with various electronic systems make it a popular choice in many applications.

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de AT24C02A-10PC en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of AT24C02A-10PC in technical solutions:

  1. Q: What is AT24C02A-10PC? A: AT24C02A-10PC is a 2-wire serial EEPROM (Electrically Erasable Programmable Read-Only Memory) chip with a capacity of 2 kilobits (256 bytes).

  2. Q: What are the typical applications of AT24C02A-10PC? A: AT24C02A-10PC is commonly used for storing small amounts of non-volatile data in various electronic devices, such as microcontrollers, sensors, and communication modules.

  3. Q: How does AT24C02A-10PC communicate with other devices? A: AT24C02A-10PC uses a 2-wire serial interface, also known as I2C (Inter-Integrated Circuit), to communicate with other devices.

  4. Q: What is the operating voltage range of AT24C02A-10PC? A: AT24C02A-10PC operates within a voltage range of 1.7V to 5.5V.

  5. Q: Can AT24C02A-10PC be easily integrated into existing circuits? A: Yes, AT24C02A-10PC comes in an industry-standard 8-pin DIP (Dual Inline Package) or SOIC (Small Outline Integrated Circuit) package, making it easy to integrate into existing circuits.

  6. Q: How many write cycles can AT24C02A-10PC endure? A: AT24C02A-10PC can endure up to 1 million write cycles, ensuring reliable data storage and retrieval.

  7. Q: Does AT24C02A-10PC have built-in write protection? A: Yes, AT24C02A-10PC has a built-in write protection feature that allows you to protect specific memory addresses from being overwritten.

  8. Q: What is the maximum clock frequency supported by AT24C02A-10PC? A: AT24C02A-10PC supports a maximum clock frequency of 400 kHz.

  9. Q: Can AT24C02A-10PC operate in extreme temperature conditions? A: Yes, AT24C02A-10PC has an extended temperature range of -40°C to +85°C, making it suitable for applications in harsh environments.

  10. Q: Are there any development tools or libraries available for working with AT24C02A-10PC? A: Yes, various development tools and libraries are available that provide easy-to-use interfaces for programming and interacting with AT24C02A-10PC, such as Arduino libraries and I2C communication libraries for microcontrollers.

Please note that these answers are general and may vary depending on the specific implementation and requirements of your technical solution.