Microchip Technology SST39WF400B-70-4I-VA Flash Memory

The SST39WF400B-70-4I-VA from Microchip Technology is a high-performance, dual-bank, 4 Mbit Flash memory device that is designed to deliver reliability and versatility for a wide range of data storage applications. This non-volatile memory component is part of the SuperFlash® family, which is renowned for its robust endurance and fast erase and write capabilities.

Key Features

• Memory Size: The device offers a storage capacity of 4 Mbit, organized as 256K x 16 bits, providing ample space for firmware storage, boot code, and data logging in embedded systems.
• Access Time: With an access time of 70 ns, this flash memory provides swift read operations, enabling efficient code execution directly from the flash memory (execute-in-place) without the need for shadowing on RAM.
• Dual-Bank Architecture: The dual-bank feature allows for concurrent operations, such as program or erase in one bank while reading from the other, enhancing the performance of the system.
• Low Power Consumption: The SST39WF400B-70-4I-VA is designed for low power consumption, making it suitable for power-sensitive applications.
• Temperature Range: This device operates within the industrial temperature range (-40°C to +85°C), ensuring reliable performance under extreme conditions.
• Superior Reliability: With a typical endurance of 100,000 cycles and data retention of over 100 years, the device ensures data integrity and longevity.
• Flexible Programming: The flash memory supports both byte and word programming, providing flexibility for different programming requirements.
• Package: Available in a 48-lead TSOP package, the SST39WF400B-70-4I-VA is designed for easy PCB integration and space-saving considerations.

Applications

With its advanced features, the SST39WF400B-70-4I-VA is ideal for a variety of applications including:

• Embedded systems and microcontroller-based applications
• Boot code storage and configuration data
• Automotive electronics
• Industrial control systems
• Networking and telecommunications equipment

Overall, the SST39WF400B-70-4I-VA is a reliable and efficient solution for designers looking for a high-quality, dual-bank flash memory component that delivers both performance and durability.