BR24A02F-WME2

Product Overview

Category

BR24A02F-WME2 belongs to the category of non-volatile electrically erasable and programmable read-only memory (EEPROM) chips.

Use

This product is commonly used for storing small amounts of data that need to be retained even when power is removed from the system. It provides a reliable and convenient solution for applications requiring non-volatile memory.

Characteristics

• Non-volatile: The data stored in BR24A02F-WME2 remains intact even when power is disconnected.
• Electrically erasable and programmable: The memory can be easily erased and reprogrammed using electrical signals.
• Small form factor: The chip is designed to occupy minimal space, making it suitable for compact electronic devices.
• High endurance: BR24A02F-WME2 offers a high number of write/erase cycles, ensuring long-term reliability.
• Low power consumption: The chip operates efficiently, consuming minimal power during read and write operations.

Package

BR24A02F-WME2 is available in a standard surface mount package, allowing for easy integration into various electronic systems.

Essence

The essence of BR24A02F-WME2 lies in its ability to provide non-volatile memory storage in a compact and efficient manner.

Packaging/Quantity

This product is typically packaged in reels or tubes, with each reel/tube containing a specific quantity of BR24A02F-WME2 chips. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Memory capacity: 2 kilobits (256 bytes)
• Supply voltage: 1.8V to 5.5V
• Operating temperature range: -40°C to +85°C
• Interface: I2C (Inter-Integrated Circuit)
• Write cycle time: 5 ms (maximum)
• Data retention: 100 years (minimum)

Detailed Pin Configuration

The BR24A02F-WME2 chip has a total of 8 pins, which are assigned specific functions as follows:

1. VCC: Power supply input
2. GND: Ground connection
3. SDA: Serial data input/output for I2C communication
4. SCL: Serial clock input for I2C communication
5. WP: Write protect pin (optional)
6. A0: Address bit 0
7. A1: Address bit 1
8. NC: No connection (reserved for future use)

Functional Features

• Random access: The memory can be accessed in any order, allowing for flexible data retrieval and storage.
• Byte-level read/write: Individual bytes within the memory can be read from or written to independently.
• Hardware write protection: The optional write protect pin (WP) allows for hardware-based protection against accidental writes.
• Software write protection: The memory can be software-protected using specific commands, providing additional security.

Advantages and Disadvantages

Advantages

• Non-volatile storage: Data remains intact even during power loss or system shutdown.
• Compact size: The small form factor enables integration into space-constrained designs.
• High endurance: Offers a high number of write/erase cycles, ensuring long-term reliability.
• Low power consumption: Operates efficiently, minimizing power requirements.

Disadvantages

• Limited capacity: With a memory capacity of 2 kilobits, it may not be suitable for applications requiring large amounts of storage.
• Slower write cycle time: The 5 ms maximum write cycle time may be slower compared to other memory technologies.

Working Principles

BR24A02F-WME2 utilizes electrically erasable and programmable read-only memory (EEPROM) technology. It consists of a grid of memory cells, each capable of storing one bit of data. The memory cells are organized into pages, and data can be written or erased at the byte level.

During write operations, an electrical charge is applied to the memory cell, altering its state to represent the desired data. Erase operations involve removing the charge from the memory cell, resetting it to its initial state.

The I2C interface allows for communication between the BR24A02F-WME2 chip and the host microcontroller, enabling read and write operations.

Detailed Application Field Plans

BR24A02F-WME2 finds applications in various fields, including but not limited to:

1. Consumer electronics: Used for storing device settings, user preferences, and other non-volatile data in devices such as smartphones, tablets, and digital cameras.
2. Industrial automation: Enables storage of configuration parameters, calibration data, and event logs in programmable logic controllers (PLCs) and industrial control systems.
3. Automotive electronics: Utilized for storing critical data like mileage, vehicle settings, and diagnostic information in automotive electronic control units (ECUs).