S25FL256LDPBHN023

Memory IC Overview

The Infineon S25FL256LDPBHN023 is a 256 Mbit (32 Mbyte) NOR flash memory utilizing 65 nm floating gate technology. It operates on a single 2.7 V to 3.6 V supply and features a Serial Peripheral Interface (SPI) with Multi-I/O support, including Quad I/O and Double Data Rate (DDR) modes for high-speed data transfer. The device offers a 24-BGA package and supports industrial temperature ranges from -40°C to +85°C or higher. Key capabilities include uniform sector/block erase architectures, a 256-byte page programming buffer, and extensive security features such as individual block protection and power supply lock-down.

Memory IC Feature Summary

• Supports SPI, Dual I/O, Quad I/O, QPI, and DDR read commands for flexible interface configurations.
• Features uniform 4KB sector, 32KB half block, and 64KB block erase architectures with suspend/resume capability.
• Includes advanced security mechanisms like individual/region protection and non-volatile sector locking.

Memory IC Applications

• Code shadowing to RAM
• Execute-in-Place (XIP) applications
• Re-programmable data storage in embedded systems

Memory IC Procurement Notes

Verify the specific ordering suffix against the manufacturer's current datasheet to confirm package type, temperature grade, and tape/reel specifications. Ensure compatibility with host system voltage levels and SPI clock modes. Confirm RoHS compliance status and moisture sensitivity level requirements for your assembly process before finalizing procurement.

Memory IC Selection Notes

Select this component when a high-density serial NOR flash solution is required with robust security features and multi-I/O performance. Consider the BGA package constraints and thermal management needs for industrial environments. Evaluate the need for extended addressing options if the application requires accessing memory beyond standard 24-bit address limits.

Memory IC Part Context

This part belongs to the FL-L family of flash memories, which are command subset and footprint compatible with prior generation FL-S, FL1-K, and FL-P families. The FL-L series utilizes 65 nm floating gate technology to provide improved performance and density compared to older 90 nm processes while maintaining software compatibility.

Memory IC Replacement Considerations

Compatible substitutes within the same footprint and command set include other members of the S25FL-A, S25FL1-K, S25FL-P, S25FL-S, and S25FS-S SPI families. Verify pinout and electrical specifications match before substitution.

Memory IC FAQ

Does the S25FL256L support Double Data Rate (DDR) operations?

Yes, the device supports DDR read commands for Quad I/O and QPI modes, transferring address and read data on both edges of the clock signal.

What erase architectures are supported by this memory?

The device supports uniform 4KB Sector Erase, 32KB Half Block Erase, 64KB Block Erase, and Chip Erase operations, all of which can be suspended and resumed.