AT24C02AN-10SI-2.7-T

Product Overview

Category

AT24C02AN-10SI-2.7-T 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

• Non-volatile: The stored data remains even when power is removed.
• Electrically erasable: Data can be erased and reprogrammed electronically.
• High density: Offers a storage capacity of 2 kilobits (256 bytes).
• Low power consumption: Operates at a voltage range of 2.7V to 5.5V.
• Small form factor: Packaged in an industry-standard 8-pin SOIC package.

Package and Quantity

The AT24C02AN-10SI-2.7-T chip is available in an 8-pin Small Outline Integrated Circuit (SOIC) package. It is typically sold in reels or tubes containing multiple units.

Specifications

• Memory Capacity: 2 kilobits (256 bytes)
• Operating Voltage Range: 2.7V to 5.5V
• Interface: I2C (Two-wire Serial Interface)
• Write Cycle Time: 5 milliseconds (typical)
• Data Retention: 100 years (minimum)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The AT24C02AN-10SI-2.7-T chip has the following pin configuration:

1. A0: Address Input
2. A1: Address Input
3. A2: 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 individual bytes.
• Byte Write: Supports byte-level write operations.
• Page Write: Enables writing multiple bytes in a single operation.
• Software Write Protection: Provides write protection for the entire memory or selected portions.
• Hardware Write Protection: Allows external write protection using the WP pin.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data retention even during power loss.
• Electrically erasable, allowing for easy reprogramming.
• Small form factor enables integration into compact electronic devices.
• Low power consumption prolongs battery life in portable applications.
• I2C interface simplifies communication with other devices.

Disadvantages

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

Working Principles

The AT24C02AN-10SI-2.7-T utilizes an electrically erasable floating-gate transistor technology. It stores data by trapping charges in the floating gate, which can be erased or programmed by applying appropriate voltage levels. The I2C interface allows for easy communication with the chip, enabling read and write operations.

Detailed Application Field Plans

The AT24C02AN-10SI-2.7-T chip finds applications in various fields, including:

1. Microcontrollers: Used for storing configuration settings, calibration data, and firmware updates.
2. Computers: Employed in BIOS chips for storing system parameters and boot code.
3. Consumer Electronics: Utilized in devices like smart TVs, set-top boxes, and digital cameras for storing user preferences and settings.
4. Automotive: Used in electronic control units (ECUs) for storing critical data, such as mileage and vehicle settings.
5. Industrial Automation: Employed in programmable logic controllers (PLCs) for storing program code and configuration data.

Detailed and Complete Alternative Models

Some alternative models to the AT24C02AN-10SI-2.7-T include:

1. AT24C01A: 1 kilobit EEPROM chip with similar characteristics and package.
2. AT24C04: 4 kilobit EEPROM chip with higher storage capacity.
3. AT24C16: 16 kilobit EEPROM chip with even higher storage capacity.
4. AT24C64: 64 kilobit EEPROM chip suitable for applications requiring larger memory.

These alternative models offer varying storage capacities to cater to different application requirements.

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