Infineon Technologies S25FL512SAGMFIR13

Overview

S25FL512SAGMFIR13 from Infineon is a 512 Mb (64 MB) serial NOR flash memory IC with SPI Multi-I/O interface, 3.0 V core supply, uniform 256-KB sector erase architecture, and integrated hardware ECC for single-bit error correction. It supports Quad Read at up to 52 MBps (VIO = VCC = 3.0–3.6 V), AutoBoot functionality, and operates across industrial (–40°C to +85°C) and automotive AEC-Q100 Grade 2 (–40°C to +105°C) temperature ranges.

For engineers reviewing the S25FL512SAGMFIR13 datasheet, S25FL512SAGMFIR13 pinout, S25FL512SAGMFIR13 application, or S25FL512SAGMFIR13 equivalent, this device serves as a high-reliability, drop-in-compatible upgrade path from legacy S25FL-A/K/P families in boot code storage, firmware image retention, and secure configuration data applications requiring CFI-compliant, DDR-capable SPI flash.

Technical Context

This SPI NOR flash implements Infineon's 65 nm MIRRORBIT™ technology with Eclipse™ architecture, enabling simultaneous read-while-write operation and deterministic latency via dedicated SRAM latch and X/Y decoders. Its dual-voltage I/O (1.65–3.6 V) and core (2.7–3.6 V) support flexible host interface integration without level-shifting.

The device uses a command-set architecture compliant with JEDEC JESD216 SFDP, supports both SDR and DDR modes, and includes programmable block protection via status register bits plus password-controlled Advanced Sector Protection (ASP) for fine-grained OTP and sector-level security enforcement.

Key Specifications

Pinout & Package

Package: 16-pin SOIC (300 mil), Pb-free, RoHS-compliant. Pin count and layout match industry-standard SPI flash footprints for direct PCB replacement.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar serial NOR flash memory applications.

Compared with S25FL512SAGMFIR13, the Cypress alternative offers identical functionality without automotive qualification, while the Winbond part trades DDR speed, AutoBoot, and larger erase blocks for lower voltage operation and reduced cost - making it unsuitable for safety-critical or high-performance boot applications.

Availability

S25FL512SAGMFIR13 is available at Aetrix Electronics and suitable for automotive ECU development, industrial PLC firmware upgrades, and medical imaging system configuration storage requiring stable component supply, long-term lifecycle assurance, and AEC-Q100-compliant sourcing.

Supply support for S25FL512SAGMFIR13 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Infineon Technologies is a German semiconductor manufacturer specializing in power management, automotive microcontrollers, and secure memory solutions, with global R&D and manufacturing infrastructure.

The S25FL-S family targets high-reliability embedded systems requiring secure, high-speed, and long-life nonvolatile storage - specifically engineered for automotive, industrial, and medical applications demanding AEC-Q100 qualification and CFI/SFDP interoperability.

FAQ

What is the purpose of the AutoBoot feature in S25FL512SAGMFIR13?

AutoBoot executes a preconfigured Normal or Quad Read command automatically at power-up or reset, retrieving boot code from a user-defined address without host CPU intervention. This reduces system startup latency and simplifies bootloader design by eliminating the need for initial SPI initialization sequences in the host firmware.

Does S25FL512SAGMFIR13 support DDR SPI mode, and what are its timing requirements?

Yes, it supports Fast Read DDR, Dual Read DDR, and Quad Read DDR modes at up to 80 MBps, but only when VIO = VCC = 3.0–3.6 V. DDR operation requires precise setup/hold timing relative to the SCK signal edge and is validated per JEDEC JESD252A; AC characteristics are specified in Section 5.5 of the datasheet.

How does the Advanced Sector Protection (ASP) differ from standard block protection?

Standard block protection uses status register bits to lock contiguous sectors globally, while ASP enables password- or boot-code-controlled locking of individual sectors. ASP provides granular, runtime-configurable security for firmware partitions, calibration data, or cryptographic keys - critical for secure boot and OTA update architectures.

Is the 1024-byte OTP array one-time programmable in segments or as a whole?

The OTP array is organized as 1024 individually byte-programmable locations, but once any byte is programmed, that location cannot be erased or rewritten. Programming is performed via the One Time Program Array command (0x4B), and verification must be done per-byte; partial writes are supported, enabling incremental key or ID storage.