S25FS256SDSNFI000 Overview
The S25FS256SDSNFI000 is a 256 Mbit serial NOR Flash memory device designed for high-performance embedded applications requiring reliable non-volatile storage. Featuring a dual/quad SPI interface, this memory solution supports fast read and program speeds, optimizing system throughput and boot times. Its advanced features include uniform 4KB sectors and 64KB blocks for flexible memory management, alongside low-power operation modes suited for energy-conscious industrial environments. This device balances high-speed data access with robust data retention, making it a strong candidate for a wide range of embedded systems. Learn more from the IC Manufacturer.
S25FS256SDSNFI000 Technical Specifications
| Parameter | Specification |
|---|---|
| Memory Density | 256 Mbit (32 MBytes) |
| Interface | Dual/Quad SPI |
| Operating Voltage | 2.7 V to 3.6 V |
| Read Speed | Up to 104 MHz |
| Page Program Size | 256 bytes |
| Sector Size | 4 KB uniform sectors |
| Block Size | 64 KB blocks |
| Endurance | 100,000 Program/Erase cycles per sector |
| Data Retention | 20 years |
| Package | 8-pin SOIC / WSON |
S25FS256SDSNFI000 Key Features
- Dual/Quad SPI Interface: Enables faster data transfer rates up to 104 MHz, significantly reducing system boot and data access times.
- Uniform 4KB Sectors: Simplifies memory management and supports efficient partial sector erase for better longevity and flexibility.
- High Endurance: Supports up to 100,000 program/erase cycles per sector, ensuring long-term reliability in demanding applications.
- Low Power Consumption: Optimized power modes reduce overall system energy usage, beneficial for battery-operated or energy-sensitive devices.
- Robust Data Retention: Guaranteed data retention for 20 years, providing dependable non-volatile storage for industrial-grade applications.
- Small Form Factor Package: Available in compact 8-pin SOIC and WSON packages suitable for space-constrained PCB layouts.
- Flexible Block Architecture: Combines 64KB blocks with smaller sectors for customized memory operations and enhanced system design flexibility.
S25FS256SDSNFI000 Advantages vs Typical Alternatives
This serial NOR Flash device offers superior read speeds and a dual/quad SPI interface that outperform many traditional single SPI memories. Its uniform sector structure and high program/erase endurance provide greater reliability and flexibility compared to typical NOR Flash. Furthermore, the low-voltage operation and robust data retention enhance power efficiency and long-term data integrity, making it ideal for embedded systems requiring consistent performance and trustworthy storage.
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Typical Applications
- Embedded systems requiring fast, reliable non-volatile memory for firmware storage and execution, such as industrial controllers and IoT devices.
- Consumer electronics needing compact, high-speed Flash memory to improve boot times and application response.
- Automotive modules where endurance and data retention are critical for safety and long product life cycles.
- Networking equipment that benefits from high-speed SPI Flash for configuration storage and system updates.
S25FS256SDSNFI000 Brand Info
This product is part of a series of advanced serial NOR Flash memories designed and manufactured by a leading semiconductor supplier specializing in high-performance embedded memory solutions. Known for combining speed, endurance, and low power consumption, this device aligns with the company??s commitment to delivering reliable, scalable memory components optimized for industrial, automotive, and consumer applications. The product



