AT25SF321-SHD-T

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AT25SF321-SHD-T is a Flash memory component served as non-volatile storage element. It belongs to Serial Flash family products with low power consumption and comes with larger storage space and high performance.

The AT25SF321-SHD-T is a 3V only flash component, featuring the normal Single Level Cell (SLC) architecture. It is available in an 8 (247 mil) SOIC-8 package and offers extended temperature range of up to -40°C to 85°C. It contains 32Mbits / 64Mbits of 3V only Serial Flash memory, organized as 4 megabytes / 8 megabytes of uniform sectors.

AT25SF321-SHD-T is ideal for system applications such as consumer devices, medical equipment, industrial systems, automotive applications and any other system requiring a moderate to large amount of non-volatile storage.

Application Fields

The AT25SF321-SHD-T is an ideal system memory component for use in a wide range of application fields:

• Consumer Devices: AT25SF321-SHD-T can serve as the persistent storage component for consumer products such as wearable devices and home appliances.
• Medical Devices: Its small footprint and low EMI/RFI radiation makes it suitable for use in medical diagnosis and treatment equipment.
• Industrial Systems: Industrial controllers, automation systems and other embedded systems require persistent storage and AT25SF321-SHD-T is ideal for such application fields.
• Automotive: Automotive systems such as in-car navigation, entertainment and safety systems need non-volatile storage and AT25SF321-SHD-T is the perfect choice for such applications.

Working Principle

AT25SF321-SHD-T is a low power, high performance Flash memory component featuring Single Level Cell (SLC) architectures. It is connected to the host system via Serial Peripheral Interface (SPI) bus, allowing for fast and efficient data transfers.

In normal operation, the host system first sends a command to the AT25SF321-SHD-T component. Then, it receives an answer from the component and depending on the command, perform data reads or write operations.

When writing to the component, data is first sent to its internal buffer and is then moved to the corresponding sector. Similarly, when reading data from the component, data is first moved to the component’s internal buffer and then transferred to the host system.

In order to prevent data loss when power is removed, the component utilizes Flash memory controller for managing and controlling erasing and writing operations. This ensures that data is safely written and stored even if power is removed from the component.

AT25SF321-SHD-T also features advanced system features such as write protection, programmable configuration and status registers, software write unlocking, and sector lock down provide an overall secure solution.

Conclusion

In conclusion, AT25SF321-SHD-T is a low power, high performance memory component that is ideal for use in a wide range of applications fields including consumer devices, medical equipment, industrial systems, and automotive applications. Its advanced features provide a secure, reliable and durable data storage solution.

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