Microchip Technology AT25FS040N-SH27-B Serial Flash Memory

The AT25FS040N-SH27-B is a high-performance, 4-megabit Flash memory device from the renowned manufacturer Microchip Technology. This serial interface Flash memory is designed for a wide range of applications, from embedded systems to general-purpose data storage, offering a reliable and flexible solution for code and data storage.

Constructed with reliability in mind, the AT25FS040N-SH27-B is a member of the AT25 series, which is known for its robust design and stable performance. This particular model operates with a supply voltage range of 2.5V to 3.6V, making it suitable for various low-power devices and applications where energy efficiency is a priority.

Key Features:

• Memory Size: 4 Mbit (512K x 8)
• Interface Type: SPI (Serial Peripheral Interface) with clock frequencies up to 85 MHz, enabling fast data transfer rates.
• Operating Voltage: 2.5V to 3.6V, accommodating a range of power requirements.
• Temperature Range: The device can operate within an industrial temperature range of -40°C to 85°C, ensuring reliability under extreme conditions.
• Programming Support: Page Program, Block Erase, and Sector Erase commands for flexible data management.
• Data Retention: Offers a long data retention period, typically over 20 years, which is critical for applications that require long-term data storage.
• Endurance: High endurance with a minimum of 100,000 program/erase cycles per sector, making it suitable for applications with frequent data updates.

The AT25FS040N-SH27-B also comes in an 8-lead SOIC package, providing a compact footprint for space-constrained applications. Additionally, it features industry-standard, pin-to-pin compatibility with other serial Flash devices, allowing for easy integration or upgrades to existing designs.

Overall, the AT25FS040N-SH27-B from Microchip Technology is a versatile and reliable choice for designers and engineers seeking a non-volatile memory solution that balances performance, power efficiency, and durability.