AT24C02A-10PI-2.7

Product Overview

Category

AT24C02A-10PI-2.7 belongs to the category of electrically erasable programmable read-only memory (EEPROM) chips.

Use

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

Characteristics

• Electrically erasable: The data stored in the chip can be erased and reprogrammed electronically.
• Non-volatile: The stored data is retained even when power is removed.
• High density: The AT24C02A-10PI-2.7 has a capacity of 2 kilobits (256 bytes).
• Low power consumption: It operates at a low voltage of 2.7V and consumes minimal power during read and write operations.

Package

The AT24C02A-10PI-2.7 comes in a standard 8-pin DIP (Dual Inline Package) format.

Essence

This EEPROM chip provides a reliable and compact solution for storing small amounts of data in electronic systems.

Packaging/Quantity

The AT24C02A-10PI-2.7 is typically packaged in reels or tubes, with each package containing a quantity of 1000 units.

Specifications

• Capacity: 2 kilobits (256 bytes)
• Operating Voltage: 2.7V - 5.5V
• Interface: I2C (Inter-Integrated Circuit)
• Write Cycle Time: 5ms (maximum)
• Data Retention: 100 years (minimum)

Detailed Pin Configuration

The AT24C02A-10PI-2.7 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: The chip allows for random read and write operations, enabling efficient data retrieval and modification.
• Hardware write protection: The WP pin can be used to protect the stored data from accidental overwriting.
• Low power consumption: The AT24C02A-10PI-2.7 operates at a low voltage and consumes minimal power during standby mode.

Advantages and Disadvantages

Advantages

• Compact size and high density make it suitable for space-constrained applications.
• Electrically erasable and non-volatile nature ensures data integrity.
• Low power consumption prolongs battery life in portable devices.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Relatively slower write cycle time may impact performance in time-sensitive applications.

Working Principles

The AT24C02A-10PI-2.7 utilizes an I2C interface to communicate with the host device. It stores data in a grid of memory cells that can be individually addressed for read and write operations. When data needs to be written, the chip applies an electric field to the memory cell, altering its state. To read data, the chip retrieves the stored information from the memory cells and transfers it to the host device.

Detailed Application Field Plans

The AT24C02A-10PI-2.7 finds application in various fields, including:

1. Microcontrollers: Used for storing configuration settings, calibration data, and program code.
2. Computers: Employed in BIOS chips for storing system parameters and boot-up routines.
3. Consumer Electronics: Integrated into devices like smart TVs, set-top boxes, and digital cameras for storing user preferences and settings.

Detailed and Complete Alternative Models

1. AT24C01A-10PI-2.7: 1 kilobit (128 bytes) capacity variant.
2. AT24C04A-10PI-2.7: 4 kilobits (512 bytes) capacity variant.
3. AT24C08A-10PI-2.7: 8 kilobits (1024 bytes) capacity variant.
4. AT24C16A-10PI-2.7: 16 kilobits (2048 bytes) capacity variant.

These alternative models provide different storage capacities to suit various application requirements.

In conclusion, the AT24C02A-10PI-2.7 is a compact and reliable EEPROM chip that offers non-volatile storage with low power consumption. Its high density and electrically erasable nature make it suitable for a wide range of electronic devices. However, its limited capacity and slower write cycle time should be considered when selecting this chip for specific applications.