SST25WF020-40-5I-QAE

Product Overview

Category

The SST25WF020-40-5I-QAE belongs to the category of Serial Flash Memory.

Use

This product is primarily used for storing and retrieving digital data in electronic devices such as microcontrollers, embedded systems, and other applications that require non-volatile memory storage.

Characteristics

• High-speed data transfer: The SST25WF020-40-5I-QAE offers fast read and write speeds, allowing for efficient data access.
• Low power consumption: This flash memory device is designed to minimize power consumption, making it suitable for battery-powered devices.
• Compact package: The SST25WF020-40-5I-QAE comes in a small form factor, enabling easy integration into space-constrained designs.
• High reliability: With built-in error correction mechanisms and extensive testing, this product ensures reliable data storage and retrieval.
• Wide temperature range: The SST25WF020-40-5I-QAE operates reliably across a wide temperature range, making it suitable for various environments.

Package and Quantity

The SST25WF020-40-5I-QAE is available in a surface-mount 8-pin SOIC (Small Outline Integrated Circuit) package. It is typically sold in reels containing a specified quantity of units, depending on the manufacturer's packaging standards.

Specifications

• Memory capacity: 2 megabits (256 kilobytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating voltage: 2.7V - 3.6V
• Operating temperature range: -40°C to +85°C
• Data retention: Up to 100 years
• Endurance: Up to 100,000 write cycles

Pin Configuration

The SST25WF020-40-5I-QAE features an 8-pin SOIC package with the following pin configuration:

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

Functional Features

• Fast read and write operations: The SST25WF020-40-5I-QAE supports high-speed data transfer, enabling quick access to stored information.
• Sector erase capability: This flash memory device allows for erasing data at the sector level, providing flexibility in managing memory space.
• Software protection features: The SST25WF020-40-5I-QAE includes software-based write protection mechanisms to prevent accidental modification or deletion of stored data.
• Security features: This product offers security features such as hardware and software protection against unauthorized access to sensitive information.

Advantages and Disadvantages

Advantages

• High-speed data transfer enables efficient data access.
• Low power consumption makes it suitable for battery-powered devices.
• Compact package facilitates easy integration into space-constrained designs.
• High reliability ensures secure data storage and retrieval.
• Wide temperature range allows for operation in various environments.

Disadvantages

• Limited memory capacity compared to higher-capacity flash memory devices.
• Relatively higher cost per unit compared to lower-capacity alternatives.

Working Principles

The SST25WF020-40-5I-QAE utilizes the Serial Peripheral Interface (SPI) protocol to communicate with the host device. It stores data in non-volatile memory cells that can retain information even when power is disconnected. The SPI interface facilitates fast and efficient transfer of data between the host device and the flash memory.

Detailed Application Field Plans

The SST25WF020-40-5I-QAE finds applications in various fields, including but not limited to: - Consumer electronics: Used in devices such as smartphones, tablets, digital cameras, and portable media players for data storage. - Automotive systems: Employed in automotive electronics for storing firmware, configuration data, and event logs. - Industrial automation: Utilized in industrial control systems, robotics, and instrumentation for program storage and data logging. - Medical devices: Integrated into medical equipment for storing patient data, system configurations, and software updates.

Detailed and Complete Alternative Models

• SST25VF020B-80-4I-QAE: Similar to the SST25WF020-40-5I-QAE but with a higher operating voltage range (2.7V - 3.6V).
• AT25SF041-SSHD-T: A comparable flash memory device with a larger capacity of 4 megabits (512 kilobytes) and a different pin configuration.
• W25Q16JVSSIQ: An alternative model offering 16 megabits (2 megabytes) of memory capacity and a wider operating temperature range (-40°C to +85°C).

Please note that the above alternative models are provided for reference and may have