BR24L04-W

Product Overview

Category: Integrated Circuit (IC)

Use: Non-volatile Memory

Characteristics: - Low power consumption - High reliability - Wide operating voltage range - Small package size

Package: SOP-8

Essence: BR24L04-W is a non-volatile memory IC that provides storage for data even when the power is turned off.

Packaging/Quantity: The BR24L04-W is typically sold in reels of 2500 units per reel.

Specifications

• Memory Size: 4 Kilobits (512 x 8 bits)
• Operating Voltage Range: 1.7V to 5.5V
• Data Retention: 100 years
• Write Cycles: 1 million cycles
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The BR24L04-W has a total of 8 pins, which are as follows:

1. VCC: Power supply input
2. SDA: Serial data input/output
3. SCL: Serial clock input
4. WP: Write protect input
5. GND: Ground
6. NC: No connection
7. NC: No connection
8. VSS: Ground

Functional Features

• Serial Interface: The BR24L04-W uses a two-wire serial interface (SDA and SCL) for communication with other devices.
• Write Protection: The WP pin allows the user to enable or disable write operations, providing an additional layer of security.
• Self-Timed Programming: The IC automatically manages the timing of write and erase operations, simplifying the programming process.
• Software Write Protection: The BR24L04-W supports software-based write protection, allowing specific memory areas to be protected from accidental writes.

Advantages and Disadvantages

Advantages: - Low power consumption makes it suitable for battery-powered devices. - High reliability ensures data integrity even in harsh environments. - Wide operating voltage range allows compatibility with various systems. - Small package size saves board space.

Disadvantages: - Limited memory size may not be sufficient for certain applications. - Write cycles are limited to 1 million, which may be a constraint in high-write applications.

Working Principles

The BR24L04-W utilizes EEPROM (Electrically Erasable Programmable Read-Only Memory) technology. It stores data by trapping electric charges within its floating gate transistors. These charges can be selectively removed or added using electrical signals, allowing the memory cells to be programmed or erased.

During read operations, the stored charges are sensed and converted into digital data. The serial interface enables communication between the BR24L04-W and the microcontroller or other devices.

Detailed Application Field Plans

The BR24L04-W is commonly used in various electronic devices that require non-volatile memory storage. Some of the typical application fields include:

1. Consumer Electronics: Used in smart TVs, set-top boxes, and audio/video equipment for storing configuration settings and user preferences.
2. Automotive: Employed in automotive electronics for storing critical data such as mileage, error codes, and calibration values.
3. Industrial Control Systems: Utilized in industrial automation systems for storing parameters, program code, and system configurations.
4. Medical Devices: Integrated into medical equipment for storing patient data, device settings, and firmware updates.

Detailed and Complete Alternative Models

1. AT24C04: Manufactured by Atmel, this IC offers similar specifications and functionality to the BR24L04-W.
2. CAT24C04: Produced by ON Semiconductor, this alternative model provides compatible features and performance.
3. M24C04: Developed by STMicroelectronics, this IC is a suitable alternative with comparable characteristics.

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

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