24LC02BHT-E/SN

Product Overview

Category

The 24LC02BHT-E/SN belongs to the category of electrically erasable programmable read-only memory (EEPROM) chips.

Use

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

Characteristics

• Electrically erasable: The 24LC02BHT-E/SN can be erased and reprogrammed electronically, making it convenient for updating stored data.
• Non-volatile: The chip retains its stored data even when power is removed.
• Low power consumption: It operates at low voltage levels, minimizing energy usage.
• High reliability: The 24LC02BHT-E/SN offers excellent data retention and endurance characteristics.
• Small form factor: The chip comes in a compact package, making it suitable for space-constrained applications.

Package and Quantity

The 24LC02BHT-E/SN is available in an 8-pin SOIC (Small Outline Integrated Circuit) package. It is typically sold in reels or tubes, with a quantity of 2500 units per reel.

Specifications

• Memory capacity: 2 kilobits (256 bytes)
• Operating voltage range: 1.7V to 5.5V
• Maximum clock frequency: 400 kHz
• Write cycle time: 5 ms (maximum)
• Data retention: 200 years (minimum)
• Endurance: 1 million write cycles (minimum)

Pin Configuration

The 24LC02BHT-E/SN has the following pin configuration:

```

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| | | 1 8 | | | | 2 7 | | | | 3 6 | | | | 4 5 | |___________| ```

1. A0: Address input pin
2. A1: Address input pin
3. A2: Address input pin
4. VSS: Ground (0V)
5. SDA: Serial data input/output
6. SCL: Serial clock input
7. WP: Write protect input
8. VCC: Power supply voltage

Functional Features

• Random access: The chip allows for direct reading and writing of specific memory locations.
• Byte-level operations: Data can be written or read in individual bytes, providing flexibility in data manipulation.
• Hardware write protection: The WP pin can be used to prevent accidental writes to the memory.
• I2C interface: The 24LC02BHT-E/SN communicates using the widely adopted I2C (Inter-Integrated Circuit) protocol.

Advantages and Disadvantages

Advantages

• Easy to use and integrate into existing systems.
• Low power consumption extends battery life in portable devices.
• High reliability ensures data integrity over extended periods.
• Compact package size enables usage in space-constrained designs.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Slower write cycle time may impact performance in certain applications.
• Vulnerable to electromagnetic interference due to its small form factor.

Working Principles

The 24LC02BHT-E/SN 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. When data is written, an electric charge is trapped within each memory cell, representing the stored information. During read operations, the trapped charges are detected and converted back into digital data.

Application Field Plans

The 24LC02BHT-E/SN finds application in various fields, including but not limited to:

1. Embedded systems: Used for storing configuration data, firmware updates, and calibration parameters in microcontroller-based systems.
2. Automotive electronics: Employed for storing vehicle-specific settings, such as seat positions, radio presets, and user preferences.
3. Industrial automation: Utilized for storing production line settings, sensor calibration data, and equipment configurations.
4. Consumer electronics: Integrated into devices like smart TVs, set-top boxes, and gaming consoles for storing user profiles, preferences, and application data.

Alternative Models

Several alternative models with similar functionality are available in the market. Some notable alternatives to the 24LC02BHT-E/SN include:

• AT24C02: Manufactured by Atmel Corporation
• CAT24C02: Produced by ON Semiconductor
• M24C02: Offered by STMicroelectronics

These alternative models provide comparable specifications and features, allowing users to choose based on their specific requirements.

In conclusion, the 24LC02BHT-E/SN is a versatile EEPROM chip that offers reliable non-volatile data storage in a compact package. Its ease of use, low power consumption, and