SST25VF040B-50-4I-S2AF

1. Product Overview

Category

The SST25VF040B-50-4I-S2AF belongs to the category of Serial Quad I/O (SQI) Flash memory.

Use

It is commonly used for storing program code and data in a wide range of electronic devices, including consumer electronics, automotive systems, and industrial applications.

Characteristics

• The SST25VF040B-50-4I-S2AF offers high-speed read operations with low power consumption, making it suitable for battery-powered devices.
• It features a small form factor and robust design, making it ideal for use in harsh environmental conditions.
• This flash memory device supports a wide operating voltage range, enhancing its compatibility with various systems.

Package

The SST25VF040B-50-4I-S2AF is available in a compact 8-pin SOIC package, which facilitates easy integration into circuit boards.

Essence

This flash memory device is essential for enabling reliable and efficient data storage and retrieval in electronic systems.

Packaging/Quantity

The SST25VF040B-50-4I-S2AF is typically supplied in tape and reel packaging, with quantities varying based on customer requirements.

2. Specifications

• Memory Capacity: 4 Megabits
• Interface: SPI (Serial Peripheral Interface)
• Operating Voltage: 2.7V to 3.6V
• Operating Temperature Range: -40°C to 85°C
• Data Retention: 20 years
• Erase/Program Cycle Endurance: 100,000 cycles

3. Detailed Pin Configuration

The SST25VF040B-50-4I-S2AF features the following pin configuration: 1. Chip Select (/CS) 2. Serial Data Input/Output (IO0) 3. Serial Data Output (IO1) 4. Ground (GND) 5. Serial Clock (CLK) 6. Write Enable (/WE) 7. Hold (/HOLD) 8. Power Supply (VCC)

4. Functional Features

• Quad I/O Support: Enables high-speed data transfer using four I/O lines, enhancing read performance.
• Uniform Sector Architecture: Facilitates efficient erasing and programming of memory sectors.
• Software Protection: Offers sector-level protection to prevent unauthorized write operations.
• Deep Power-down Mode: Reduces power consumption during idle periods, extending battery life in portable devices.

5. Advantages and Disadvantages

Advantages

• High-speed read operations
• Low power consumption
• Robust design for harsh environments
• Wide operating voltage range

Disadvantages

• Limited memory capacity compared to higher-end flash memory devices
• Relatively lower erase/program cycle endurance

6. Working Principles

The SST25VF040B-50-4I-S2AF utilizes SPI interface for communication with the host system. It employs a combination of floating gate and control gate transistors to store data as charge within memory cells. During read operations, the device uses Quad I/O to achieve faster data transfer rates, while sector-based erase and program operations ensure efficient management of stored data.

7. Detailed Application Field Plans

The SST25VF040B-50-4I-S2AF is well-suited for a variety of applications, including: - Firmware storage in consumer electronics such as smart TVs and set-top boxes - Code storage in automotive systems like engine control units and infotainment systems - Data logging in industrial equipment and IoT devices

8. Detailed and Complete Alternative Models

Some alternative models to the SST25VF040B-50-4I-S2AF include: - Macronix MX25L4006E - Winbond W25Q40EW - Microchip SST25WF040B

In summary, the SST25VF040B-50-4I-S2AF is a versatile Serial Quad I/O flash memory device that offers high-speed read operations, low power consumption, and robust design, making it suitable for a wide range of electronic applications. Its functional features, advantages, and detailed application field plans demonstrate its significance in the realm of data storage solutions.