AT24C02-10PU-2.7

Product Overview

Category

AT24C02-10PU-2.7 belongs to the category of electrically erasable programmable read-only memory (EEPROM) chips.

Use

This product is commonly used for storing and retrieving data 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.
• Low power consumption: It operates on low voltage and consumes minimal power.
• High storage capacity: The AT24C02-10PU-2.7 has a storage capacity of 2 kilobits (256 bytes).
• Fast data transfer: It supports high-speed serial communication.

Package

The AT24C02-10PU-2.7 comes in an 8-pin DIP (Dual Inline Package) format.

Essence

The essence of this product lies in its ability to provide non-volatile memory storage that can be easily programmed and erased.

Packaging/Quantity

The AT24C02-10PU-2.7 is typically packaged in reels or tubes, with each reel containing a quantity of 250 units.

Specifications

• Memory Capacity: 2 kilobits (256 bytes)
• Operating Voltage: 2.7V to 5.5V
• Maximum Clock Frequency: 400 kHz
• Write Cycle Time: 5 ms (maximum)
• Data Retention: 100 years (minimum)

Detailed 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 reading and writing of data at any memory location.
• Byte-Level Read/Write: Enables individual byte-level access for efficient data manipulation.
• Hardware Write Protection: The WP pin can be used to protect the memory from accidental writes.
• Sequential Read: Supports sequential read operations for faster data retrieval.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data integrity even during power loss.
• Electrically erasable and reprogrammable, allowing for flexibility in data management.
• Low power consumption makes it suitable for battery-powered devices.
• Compact package size enables easy integration into various electronic systems.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Relatively slower write cycle time may impact real-time applications.
• Susceptible to electromagnetic interference (EMI) due to its serial communication interface.

Working Principles

The AT24C02-10PU-2.7 utilizes a combination of floating gate transistors and EEPROM technology. Data is stored by charging or discharging the floating gates, which represent binary values. The stored charge determines whether a bit is programmed as "0" or "1". The data can be read by applying appropriate voltage levels to the memory cells and sensing the resulting current flow.

Detailed Application Field Plans

The AT24C02-10PU-2.7 finds extensive application in various fields, including:

1. Embedded Systems: Used for storing configuration settings, calibration data, and firmware updates in microcontrollers.
2. Consumer Electronics: Employed in devices like smart TVs, set-top boxes, and digital cameras for storing user preferences and system parameters.
3. Automotive Industry: Utilized in automotive electronics for storing critical data such as mileage, fault codes, and vehicle settings.
4. Industrial Automation: Integrated into control systems to store process parameters, calibration data, and production logs.

Detailed and Complete Alternative Models

1. AT24C01A-10PU-2.7: 1 kilobit (128 bytes) capacity version of the AT24C02-10PU-2.7.
2. AT24C04-10PU-2.7: 4 kilobits (512 bytes) capacity version with similar characteristics and package.

These alternative models provide different storage capacities to suit specific application requirements while maintaining compatibility with the AT24C02-10PU-2.7.

In conclusion, the AT24C02-10PU-2.7 is an electrically erasable programmable read-only memory chip that offers non-volatile storage, low power consumption, and high-speed serial communication. Its compact package and functional features make it suitable for a wide range of applications in embedded systems, consumer electronics, automotive industry, and industrial automation. While it has limitations in terms of storage capacity and write cycle time, alternative models with varying capacities are available to cater to diverse