S25FS256SDSNFI001

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S25FS256SDSNFI001 Application Field and Working Principle

Introduction

S25FS256SDSNFI001 is a high-performance, low-power and small-package serial flash from Winbond Electronics. It has 256 Mbits of serial flash memory, with two chip enable (CE) pins for serial access, and two multiplex and read/write control (RE and WE) pins, enabling simultaneous operations on both data and status registers. This serial flash offers very low power consumption and advanced ECC features, making it ideal for consumer electronics and embedded applications.

Features

The S25FS256SDSNFI001 features one master serial access port that can perform multiple read and write operations simultaneously. The S25FS256SDSNFI001 supports hardware-based 8-bit or 16-bit/32-bit/64-bit error correction, allowing it to detect and correct errors in-system without the need for external logic. It has an operating voltage range of 1.7V–2.4V, and up to 25MHz clock frequency. It also supports a number of security features, including password lock, write protection, secure erase, and secure boot.

Application Field

The S25FS256SDSNFI001 is suitable for a wide range of applications. It can be used in consumer electronics devices, such as digital cameras and cell phones; in industrial applications, such as medical equipment and diagnostics; in automotive applications, such as in-vehicle infotainment systems; and in embedded applications, such as IoT (Internet of Things) devices. The S25FS256SDSNFI001 is also an excellent choice for data storage applications, as it offers fast read/write speeds, reliable error detection and correction, and enhanced security features.

Working Principle

The S25FS256SDSNFI001 utilizes a single, master serial access port for read/write operations. It has two chip enable (CE) pins for serial access, and two multiplex and read/write control (RE and WE) pins, enabling simultaneous operations on both data and status registers. The device can be powered-off while maintaining volatile data, increasing overall power efficiency. During write operations, the data is written one bit at a time, allowing for high throughput and compatibility with faster clock frequencies. The S25FS256SDSNFI001 also offers a programmable page buffer size, allowing for efficient data manipulations in small data blocks.

Conclusion

The S25FS256SDSNFI001 is a high-performance, low-power and small-package serial flash from Winbond Electronics. It offers advanced features, such as error correction, password lock, write protection, secure erase, and secure boot. It is suitable for a wide range of applications, such as consumer electronics, industrial, automotive and embedded applications. The S25FS256SDSNFI001 utilizes a single, master serial access port for read/write operations, and has two chip enable (CE) pins for serial access and two multiplex and read/write control (RE and WE) pins, enabling simultaneous operations on both data and status registers.

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