SST25VF040B-50-4C-SAF

Product Overview

Category

The SST25VF040B-50-4C-SAF belongs to the category of Serial Flash Memory.

Use

This product is primarily used for storing and retrieving data in electronic devices such as microcontrollers, digital cameras, and other consumer electronics.

Characteristics

• High-speed data transfer
• Non-volatile memory
• Low power consumption
• Compact size
• Wide operating voltage range

Package

The SST25VF040B-50-4C-SAF is available in a small form factor package, making it suitable for space-constrained applications. It comes in a surface mount package (SOP) with 8 pins.

Essence

The essence of the SST25VF040B-50-4C-SAF lies in its ability to provide reliable and fast data storage in a compact package.

Packaging/Quantity

This product is typically sold in reels or tubes, with each reel or tube containing a specific quantity of SST25VF040B-50-4C-SAF chips. The exact quantity may vary depending on the supplier.

Specifications

• Memory Size: 4 Megabits (512 Kilobytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage: 2.7V - 3.6V
• Data Transfer Rate: Up to 50 MHz
• Erase/Program Time: 35 ms (typical)
• Endurance: 100,000 erase/write cycles (minimum)
• Data Retention: 20 years (minimum)

Detailed Pin Configuration

The SST25VF040B-50-4C-SAF has the following pin configuration:

1. Chip Select (/CS)
2. Serial Clock (SCK)
3. Serial Data Input (SI)
4. Serial Data Output (SO)
5. Write Protect (/WP)
6. Hold (/HOLD)
7. VCC (Power Supply)
8. Ground (GND)

Functional Features

• Full-duplex data transfer using SPI interface
• Sector erase and byte/page program operations
• Software and hardware write protection options
• Fast read access time for efficient data retrieval
• Low power consumption in standby mode
• Automatic sleep mode to conserve energy

Advantages and Disadvantages

Advantages

• High-speed data transfer allows for quick access to stored information.
• Non-volatile memory ensures data retention even when power is lost.
• Low power consumption extends battery life in portable devices.
• Compact size enables integration into space-constrained designs.
• Wide operating voltage range provides flexibility in various applications.

Disadvantages

• Limited storage capacity compared to other flash memory options.
• Erase and program times may be slower compared to some alternatives.
• Relatively higher cost per unit compared to larger capacity flash memories.

Working Principles

The SST25VF040B-50-4C-SAF utilizes the Serial Peripheral Interface (SPI) to communicate with the host device. It stores data in non-volatile memory cells, which retain information even when power is disconnected. The SPI interface allows for high-speed data transfer between the host device and the flash memory, enabling efficient read and write operations.

Detailed Application Field Plans

The SST25VF040B-50-4C-SAF finds application in various electronic devices, including but not limited to:

1. Microcontrollers: Used for storing firmware, configuration data, and program code.
2. Digital Cameras: Store captured images and videos.
3. Set-top Boxes: Save user preferences, channel lists, and software updates.
4. Printers: Store fonts, logos, and firmware.
5. Automotive Electronics: Used for storing calibration data, firmware, and diagnostic information.

Detailed and Complete Alternative Models

1. SST25VF080B-50-4C-SAF: 8 Megabit Serial Flash Memory with similar features but double the storage capacity.
2. SST25VF016B-50-4C-SAF: 16 Megabit Serial Flash Memory with increased storage capacity.
3. SST25VF032B-50-4C-SAF: 32 Megabit Serial Flash Memory offering even higher storage capacity.

These alternative models provide options for applications requiring larger memory capacities while maintaining similar functionality and characteristics.

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