EmbeddedRelated.com
S25FL256SAGNFB000

IFXS25FL256SAGNFB000

Infineon Technologies
NOR Flash Nor
664 in stock

Overview

The S25FL256SAGNFB000 is a 256Mbit (32MB) non-volatile NOR Flash memory IC designed for high-performance embedded systems. It utilizes a Quad-I/O SPI interface and supports Double Data Rate (DDR) read commands to achieve high throughput for Execute-in-Place (XiP) applications. Operating within a 2.7V to 3.6V range, this device features internal hardware Error Correction Code (ECC) to enhance data reliability.

Why Choose This Part

This memory offers a hybrid sector architecture, combining 4-KB parameter sectors with 64-KB sectors to optimize storage for both small configuration data and large firmware blocks. The integrated hardware ECC automatically corrects single-bit errors, providing a significant boost to system uptime and data integrity compared to standard NOR flash.

Applications

Execute-in-Place (XiP)
High-speed Quad SPI and DDR support allow microcontrollers to execute code directly from flash, reducing the need for large internal RAM.
Industrial Control Systems
Reliable storage for firmware and configuration data in environments requiring a wide operating temperature range from -40C to +105C.
High-Resolution Display Buffering
Fast read speeds of up to 133 MHz support the bandwidth requirements for storing and retrieving graphical assets in HMI systems.
Networking Infrastructure
Used for storing boot images and operating system kernels in routers, switches, and gateway devices.

Key Specifications

Technology FLASH - NOR
Memory Size 256Mbit
Memory Type Non-Volatile
Memory Format FLASH
Mounting Type Surface Mount
Package / Case 8-WDFN Exposed Pad
Clock Frequency 133 MHz
Memory Interface SPI - Quad I/O
Voltage - Supply 2.7V ~ 3.6V
Memory Organization 32M x 8
Operating Temperature -40degC ~ 105degC (TA)
Supplier Device Package 8-WSON (6x8)

Getting Started

Engineers can interface this part using standard SPI, Dual SPI, or Quad SPI drivers provided by most MCU vendor HALs. When designing the PCB, ensure short trace lengths and proper impedance matching for the 133 MHz clock signals, and place a 0.1uF decoupling capacitor close to the VCC pin. Configuration can be simplified using the Common Flash Interface (CFI) data to automatically detect device parameters at runtime.

S25FL256S Family

Comparing specs that differ across variants. The current part is highlighted.

Part Number Package Temp Range Stock
S25FL256SAGNFB000 (this part) WDFN-8 -40degC ~ 105degC .. 664
S25FL256SAGNFI001 WDFN-8 -40degC ~ 85degC (.. 1,533
S25FL256SAGBHV200 TBGA-24 -40degC ~ 105degC .. 845
Also available as: S25FL256SAGMFI000, S25FL256SAGBHI200