AT24C02N-10SI-2.7

Product Overview

Category

AT24C02N-10SI-2.7 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 AT24C02N-10SI-2.7 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: It operates at a low voltage and consumes minimal power during read and write operations.

Package

The AT24C02N-10SI-2.7 is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of this product lies in its ability to provide reliable and compact non-volatile memory storage for electronic devices.

Packaging/Quantity

The AT24C02N-10SI-2.7 is typically packaged in reels or tubes, with each reel containing a specific quantity of chips, usually around 2500 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

The AT24C02N-10SI-2.7 has a total of 8 pins, which are assigned specific functions:

1. A0: Chip address input pin
2. A1: Chip address input pin
3. A2: Chip address input pin
4. GND: Ground pin
5. SDA: Serial data input/output pin
6. SCL: Serial clock input pin
7. WP: Write protect pin (optional)
8. VCC: Power supply pin

Functional Features

• Random access: The AT24C02N-10SI-2.7 allows random access to any memory location, enabling efficient data retrieval.
• Byte-wise operations: It supports byte-level read and write operations, providing flexibility in managing data.
• Hardware write protection: The optional write protect pin (WP) can be used to prevent accidental modification of stored data.

Advantages and Disadvantages

Advantages

• Compact size and low power consumption make it suitable for portable electronic devices.
• High data retention ensures long-term reliability.
• Easy integration into existing circuit designs due to standard serial interface.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Slower write cycle time may impact performance in certain applications.

Working Principles

The AT24C02N-10SI-2.7 utilizes an electrically erasable floating-gate transistor technology. Data is stored in a grid of memory cells, with each cell representing a bit of information. The stored data can be accessed and modified through the serial interface using appropriate commands.

Detailed Application Field Plans

The AT24C02N-10SI-2.7 finds application in various fields, including: 1. Embedded systems: Used for storing configuration data and firmware updates in microcontrollers. 2. Computer peripherals: Employed for storing calibration data or user settings in printers, scanners, and other devices. 3. Consumer electronics: Integrated into smart TVs, set-top boxes, and audio systems for storing user preferences and system configurations.

Detailed and Complete Alternative Models

1. AT24C01A: 1 kilobit EEPROM chip with similar specifications.
2. AT24C04: 4 kilobit EEPROM chip with higher storage capacity.
3. AT24C256: 256 kilobit EEPROM chip with larger memory size.

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

In conclusion, the AT24C02N-10SI-2.7 is a compact and reliable EEPROM chip used for non-volatile data storage in various electronic devices. Its electrically erasable nature, low power consumption, and byte-wise operations make it a popular choice among designers. While it has limitations in terms of storage capacity and write cycle time, it offers advantages such as high data retention and easy integration. The AT24C02N-10SI-2.7 finds applications in embedded systems, computer peripherals, and consumer electronics. Alternative models with varying storage capacities are available to cater to different needs.