AT24C02A-10PC-2.7

Overview

Product Category

AT24C02A-10PC-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 remains even when power is removed.
• Low power consumption: The chip operates at a low voltage and consumes minimal power.
• High reliability: The EEPROM technology ensures reliable data storage and retrieval.
• Small form factor: The chip is available in a compact package, making it suitable for space-constrained applications.

Package and Quantity

The AT24C02A-10PC-2.7 chip is typically packaged in a 8-pin DIP (Dual Inline Package). It is commonly sold in quantities of 25 or more.

Specifications

• Memory Size: 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)

Pin Configuration

The AT24C02A-10PC-2.7 chip 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 random access to any memory location, enabling efficient data retrieval.
• Byte-Level Read/Write: Data can be read from or written to the chip at the byte level, providing flexibility in data manipulation.
• Hardware Write Protection: The WP pin can be used to protect the stored data from accidental modification.
• I2C Interface: The chip follows the I2C (Inter-Integrated Circuit) protocol for communication with other devices.

Advantages and Disadvantages

Advantages

• High reliability and durability
• Low power consumption
• Compact form factor
• Easy integration with existing systems
• Cost-effective solution for non-volatile storage

Disadvantages

• Limited storage capacity compared to other memory technologies
• Slower write cycle time compared to some alternatives

Working Principles

The AT24C02A-10PC-2.7 chip utilizes EEPROM technology to store and retrieve data. It consists of a grid of memory cells that can be individually programmed or erased using electrical signals. The chip communicates with the host device through the I2C interface, allowing for seamless integration into various electronic systems.

Application Field Plans

The AT24C02A-10PC-2.7 chip finds applications in a wide range of fields, including: - Embedded systems - Automotive electronics - Industrial control systems - Consumer electronics - Medical devices

Alternative Models

Some alternative models to the AT24C02A-10PC-2.7 chip include: - AT24C01A-10PU-2.7: 1 kilobit EEPROM chip with similar specifications - AT24C04C-SSHM-T: 4 kilobit EEPROM chip with extended temperature range - AT24C08AN-10SU-2.7: 8 kilobit EEPROM chip with smaller package size

These alternative models offer different storage capacities, package options, and additional features to suit specific application requirements.

In conclusion, the AT24C02A-10PC-2.7 chip is a reliable and versatile EEPROM solution for non-volatile data storage in various electronic devices. Its compact size, low power consumption, and ease of integration make it a popular choice among designers and engineers.