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AT24C02-10PI-2.5
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AT24C02-10PI-2.5

Overview

Product Category

AT24C02-10PI-2.5 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 stored data can be erased and reprogrammed electronically.
  • Non-volatile: The data remains intact even when power is removed.
  • High storage capacity: The AT24C02-10PI-2.5 has a storage capacity of 2 kilobits (256 bytes).
  • Low power consumption: It operates at low power levels, making it suitable for battery-powered devices.

Package

The AT24C02-10PI-2.5 is available in a standard 8-pin DIP (Dual Inline Package) format.

Essence

This EEPROM chip allows for reliable and long-term storage of data in electronic devices, ensuring that important information is retained even during power cycles or system shutdowns.

Packaging/Quantity

The AT24C02-10PI-2.5 is typically packaged in reels or tubes, with each reel containing 2,500 units.

Specifications

  • Memory Capacity: 2 kilobits (256 bytes)
  • Operating Voltage: 2.5V
  • Maximum Clock Frequency: 400 kHz
  • Write Cycle Time: 5 ms (maximum)
  • Data Retention: 100 years (minimum)

Pin Configuration

The AT24C02-10PI-2.5 has the following pin configuration:

  1. A0: Chip Address Input
  2. A1: Chip Address Input
  3. A2: Chip 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 for reading and writing data at any memory location.
  • Sequential Read: Supports sequential read operations, enabling efficient retrieval of consecutive data.
  • Hardware Write Protection: The WP pin can be used to protect the stored data from accidental writes.
  • I2C Interface: Utilizes the widely adopted I2C (Inter-Integrated Circuit) protocol for communication.

Advantages and Disadvantages

Advantages

  • High storage capacity in a compact package.
  • Low power consumption, suitable for battery-powered devices.
  • Long data retention period.
  • Easy integration with microcontrollers and other electronic systems.

Disadvantages

  • Limited storage capacity compared to other memory technologies.
  • Slower write cycle time compared to some other EEPROM chips.
  • Relatively higher cost per byte compared to larger capacity memory options.

Working Principles

The AT24C02-10PI-2.5 utilizes an array of floating-gate transistors to store data. When programming or erasing data, electrical charges are applied to these transistors, altering their threshold voltage and allowing for the storage or removal of charge. This mechanism enables the non-volatile storage of data even when power is removed.

Detailed Application Field Plans

The AT24C02-10PI-2.5 finds applications in various fields, including:

  1. Embedded Systems: Used for storing configuration data, calibration values, and firmware updates in microcontroller-based systems.
  2. Consumer Electronics: Employed in devices such as smart TVs, set-top boxes, and digital cameras for storing user preferences, settings, and log data.
  3. Industrial Automation: Utilized in control systems, sensors, and data loggers for storing critical parameters, event logs, and calibration data.
  4. Automotive Electronics: Integrated into automotive modules for storing vehicle settings, error codes, and diagnostic information.

Detailed and Complete Alternative Models

  1. AT24C01A-10PU-2.7: 1 kilobit (128 bytes) capacity, 2.7V operating voltage.
  2. AT24C04-10SC-2.5: 4 kilobits (512 bytes) capacity, 2.5V operating voltage.
  3. AT24C08A-10PI-2.7: 8 kilobits (1024 bytes) capacity, 2.7V operating voltage.
  4. AT24C16B-10SU-2.5: 16 kilobits (2048 bytes) capacity, 2.5V operating voltage.

These alternative models offer different storage capacities and operating voltages to suit specific application requirements.

In conclusion, the AT24C02-10PI-2.5 is an electrically erasable programmable read-only memory chip that provides reliable non-volatile data storage. With its high storage capacity,

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de AT24C02-10PI-2.5 en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of AT24C02-10PI-2.5 in technical solutions:

  1. Q: What is AT24C02-10PI-2.5? A: AT24C02-10PI-2.5 is a specific model of EEPROM (Electrically Erasable Programmable Read-Only Memory) chip manufactured by Microchip Technology. It has a capacity of 2 kilobits (256 bytes) and operates at a voltage of 2.5V.

  2. Q: What are some common applications of AT24C02-10PI-2.5? A: AT24C02-10PI-2.5 is commonly used in various electronic devices for storing small amounts of non-volatile data, such as configuration settings, calibration data, or user preferences. It can be found in products like smart cards, industrial control systems, medical devices, and consumer electronics.

  3. Q: How do I interface with AT24C02-10PI-2.5? A: AT24C02-10PI-2.5 uses an I2C (Inter-Integrated Circuit) interface for communication. You can connect it to a microcontroller or other I2C-compatible device using two wires - SDA (Serial Data Line) and SCL (Serial Clock Line).

  4. Q: What is the maximum operating frequency of AT24C02-10PI-2.5? A: The maximum operating frequency of AT24C02-10PI-2.5 is 400 kHz.

  5. Q: Can I write data to AT24C02-10PI-2.5 multiple times? A: Yes, AT24C02-10PI-2.5 supports both read and write operations. You can write data to it multiple times, as long as you stay within the specified endurance limits (typically around 1 million write cycles).

  6. Q: How do I address individual memory locations in AT24C02-10PI-2.5? A: AT24C02-10PI-2.5 has a total of 256 memory locations, each with a unique address ranging from 0 to 255. You can access these locations by sending the appropriate address along with the read or write command.

  7. Q: What is the typical data retention time of AT24C02-10PI-2.5? A: The typical data retention time of AT24C02-10PI-2.5 is around 100 years, ensuring that your stored data remains intact for a long period.

  8. Q: Can I operate AT24C02-10PI-2.5 at voltages other than 2.5V? A: No, AT24C02-10PI-2.5 is specifically designed to operate at a voltage of 2.5V. Operating it at higher or lower voltages may result in incorrect behavior or damage to the chip.

  9. Q: Is AT24C02-10PI-2.5 compatible with other EEPROM chips? A: Yes, AT24C02-10PI-2.5 follows the standard I2C protocol, making it compatible with other EEPROM chips that support the same interface. However, it's important to check the specific requirements and features of each chip before interfacing them together.

  10. Q: Are there any limitations or considerations when using AT24C02-10PI-2.5? A: Some important considerations include staying within the specified voltage range, avoiding excessive write cycles to prolong the chip's lifespan, and ensuring proper handling to prevent electrostatic discharge (ESD) damage. Additionally, it's crucial to follow the datasheet and application notes provided by the manufacturer for optimal usage.