The SST25VF040B-50-4I-QAF-T is a 4 Mbit Flash memory device from Microchip Technology, designed with the Serial Peripheral Interface (SPI) for high-speed data transfer. This memory chip is part of the SST25 Series, which is known for its high reliability and performance in a wide range of applications, including embedded systems, telecommunications, digital consumer electronics, and automotive electronics.

Key Features

• Memory Size: 4 Mbit (512K x 8)
• Interface Type: SPI (Serial Peripheral Interface)
• Clock Frequency: Up to 50 MHz for high-speed read capabilities
• Supply Voltage: 2.7V to 3.6V, making it suitable for low-voltage applications
• Operating Temperature Range: -40°C to +85°C, ensuring reliability under extreme conditions
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Endurance: 100,000 cycles, providing long-term reliability for write-intensive applications
• Data Retention: Minimum of 100 years, ensuring data preservation over an extended period

Performance and Reliability

The SST25VF040B-50-4I-QAF-T is engineered for performance, featuring a fast read speed of up to 50 MHz and byte-program and sector/ block erase capabilities. It supports full command-set compatibility to JEDEC standards, which makes it easy to integrate into various designs without significant software overhead.

Applications

Due to its robust design and flexible features, the SST25VF040B-50-4I-QAF-T is ideal for a multitude of applications. These include but are not limited to:

• Embedded Control Systems
• Networking Hardware
• Industrial Equipment
• Automotive Electronics
• Internet of Things (IoT) Devices

Environmental Compliance

The product is RoHS compliant and lead-free, reflecting Microchip Technology's commitment to environmental sustainability.

Overall, the SST25VF040B-50-4I-QAF-T from Microchip Technology offers a reliable and efficient solution for designers who require a non-volatile memory with fast data access, high endurance, and long-term data retention.