BR25L040FJ-WE2

Product Overview

Category: Integrated Circuit (IC)

Use: Non-volatile memory storage

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

Package: SOP8 (Small Outline Package 8 pins)

Essence: The BR25L040FJ-WE2 is a non-volatile memory IC that provides reliable and high-speed data storage in various electronic devices.

Packaging/Quantity: The BR25L040FJ-WE2 is typically sold in reels, with each reel containing 2500 units.

Specifications

• Memory capacity: 4 kilobits (512 bytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating voltage: 1.7V to 5.5V
• Operating temperature range: -40°C to +85°C
• Data retention: Up to 10 years
• Write endurance: 1 million cycles

Detailed Pin Configuration

The BR25L040FJ-WE2 has a total of 8 pins:

1. Chip Select (/CS) - Used to enable or disable the device
2. Serial Clock (SCK) - Provides the clock signal for data transfer
3. Serial Data Input (SI) - Receives data from the microcontroller
4. Serial Data Output (SO) - Transmits data to the microcontroller
5. Write Protect (/WP) - Allows or prevents write operations
6. Ground (GND) - Connected to the ground reference
7. Power Supply (VCC) - Connected to the positive supply voltage
8. Hold (HOLD) - Suspends serial communication temporarily

Functional Features

• Byte-level read and write operations
• Page write mode for faster data programming
• Software write protection
• Block write protection
• Write enable latch function
• Sequential read mode for efficient data retrieval

Advantages and Disadvantages

Advantages: - Low power consumption extends battery life in portable devices - High reliability ensures data integrity - Wide operating voltage range allows compatibility with various systems - Small package size saves board space - High-speed data transfer enhances overall system performance

Disadvantages: - Limited memory capacity may not be suitable for applications requiring larger storage - Lack of built-in security features for data protection

Working Principles

The BR25L040FJ-WE2 utilizes the Serial Peripheral Interface (SPI) to communicate with a microcontroller. It stores data in non-volatile memory cells, which retain information even when power is disconnected. The IC can be accessed through specific commands sent via the SPI interface, allowing for read and write operations at the byte level.

Detailed Application Field Plans

The BR25L040FJ-WE2 is widely used in various electronic devices that require non-volatile memory storage, such as: - Consumer electronics (e.g., smart TVs, set-top boxes) - Automotive systems (e.g., infotainment systems, instrument clusters) - Industrial equipment (e.g., control systems, sensors) - Medical devices (e.g., patient monitoring systems, diagnostic equipment)

Detailed and Complete Alternative Models

1. AT25SF041-SSHD-T: 4Mb SPI Flash Memory IC, SOP8 package
2. MX25R4035FZUIH0: 4Mb Serial NOR Flash Memory IC, SOP8 package
3. W25Q40FWSSIG: 4Mb Serial Flash Memory IC, SOP8 package

These alternative models offer similar functionality and specifications to the BR25L040FJ-WE2, providing options for different design requirements.

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