BR24L04FJ-WE2

Product Overview

Category

BR24L04FJ-WE2 belongs to the category of electrically erasable and 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 BR24L04FJ-WE2 allows for easy erasure and reprogramming of data.
• Non-volatile: The stored data remains intact even when power is disconnected.
• High storage capacity: This chip has a storage capacity of 4 kilobits (512 bytes).
• Low power consumption: It operates on low power, making it suitable for battery-powered devices.

Package

The BR24L04FJ-WE2 comes in a small surface-mount package, which ensures easy integration into circuit boards.

Essence

The essence of this chip lies in its ability to provide reliable and non-volatile data storage in a compact form factor.

Packaging/Quantity

The BR24L04FJ-WE2 is typically packaged in reels or tubes, with each reel containing a specific quantity of chips. The exact packaging and quantity may vary depending on the manufacturer.

Specifications

• Storage Capacity: 4 kilobits (512 bytes)
• Interface: I2C (Inter-Integrated Circuit)
• Operating Voltage: 1.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Write Endurance: 1 million cycles
• Data Retention: 100 years

Detailed Pin Configuration

The BR24L04FJ-WE2 chip has a total of 8 pins, which are assigned specific functions:

1. VCC: Power supply voltage input
2. GND: Ground reference
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 selection bit 0
7. A1: Address selection bit 1
8. NC: No connection (unused pin)

Functional Features

• Random access: Allows reading and writing of data at any memory location.
• Hardware write protection: The WP pin can be used to protect the stored data from accidental modification.
• Sequential read mode: Enables efficient reading of consecutive memory locations.
• Software write protection: The chip supports software-based write protection through specific commands.

Advantages and Disadvantages

Advantages

• Compact size and surface-mount package enable easy integration into electronic devices.
• High storage capacity for a wide range of applications.
• Low power consumption, making it suitable for battery-powered devices.
• Long data retention period ensures data integrity over extended periods.
• Support for both hardware and software write protection enhances data security.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Relatively slower write speeds compared to some alternative models.
• Vulnerable to electromagnetic interference (EMI) due to its small form factor.

Working Principles

The BR24L04FJ-WE2 utilizes electrically erasable and programmable memory cells to store and retrieve data. It employs an I2C interface for communication with the host device. When data is written, the chip applies a high voltage to the memory cells, altering their state. Reading data involves sensing the state of the memory cells and converting it into digital information.

Detailed Application Field Plans

The BR24L04FJ-WE2 finds application in various fields, including:

1. Automotive electronics: Used for storing vehicle configuration data, mileage, and other critical information.
2. Industrial automation: Enables storage of calibration data, device parameters, and configuration settings.
3. Consumer electronics: Utilized in devices like smart TVs, set-top boxes, and gaming consoles for storing user preferences and settings.
4. Medical devices: Used for storing patient data, device configurations, and firmware updates.
5. Internet of Things (IoT): Enables data storage in IoT devices, such as sensors, smart meters, and wearable devices.

Detailed and Complete Alternative Models

1. AT24C04: Manufactured by Atmel, this EEPROM chip offers similar specifications and functionality to the BR24L04FJ-WE2.
2. CAT24C04: Produced by ON Semiconductor, this chip provides a compatible alternative with comparable features.
3. M24C04: Manufactured by STMicroelectronics, this EEPROM chip offers a wide operating voltage range and high reliability.

These alternative models can be considered based on specific requirements and availability.

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