Infineon Technologies S25FL512SAGMFB010

Overview

S25FL512SAGMFB010 from Infineon is a 512 Mb (64 MB) serial NOR flash memory with SPI Multi-I/O interface, 3.0 V core supply, uniform 256-KB sectors, and integrated hardware ECC. It supports Quad Read up to 52 MBps, AutoBoot at power-up, and operates across industrial (–40°C to +85°C) and automotive AEC-Q100 Grade 2 (–40°C to +105°C) temperature ranges. Used in boot code storage for microcontrollers in automotive infotainment systems.

For engineers reviewing the S25FL512SAGMFB010 datasheet, S25FL512SAGMFB010 pinout, S25FL512SAGMFB010 application, or S25FL512SAGMFB010 equivalent, key selection criteria include Quad DDR read performance (80 MBps), 100,000 program-erase cycles, OTP security (1024 bytes), sector protection granularity, and FBGA-24 (FAB024) package compatibility with space-constrained automotive ECUs.

Technical Context

This FL-S family device implements Infineon's 65 nm MIRRORBIT™ technology with Eclipse™ architecture, enabling high-density, low-power serial flash operation. It supports standard SPI modes 0/3 and DDR variants, with 32-bit addressing for full 512 Mb access and CFI/SFDP-compliant configuration discovery.

The control logic integrates dedicated hardware for automatic ECC generation/correction, Quad-Input Page Programming (QPP), and Advanced Sector Protection (ASP) enforced via boot code or password. I/O voltage independence (VIO = 1.65–3.6 V) allows interoperability with 1.8 V or 3.3 V host controllers without level shifters.

Key Specifications

Pinout & Package

Package: 24-ball FBGA (FAB024, 6 × 8 mm, 0.8 mm pitch), Pb-free, RoHS-compliant.

Key Features

Applications

Equivalent & Alternatives

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

Compared with S25FL512SAGMFB010, the SOIC variant trades mechanical reliability for assembly simplicity, while the Winbond part shifts security and boot responsibility to the host - making the Infineon FBGA version uniquely suited for AEC-Q100-certified, self-contained boot architectures.

Availability

S25FL512SAGMFB010 is available at Aetrix Electronics and suitable for automotive ECU design, industrial PLC firmware updates, and medical imaging boot code storage requiring stable component supply across extended product lifecycles.

Supply support for S25FL512SAGMFB010 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 ICs, and secure microcontrollers, with global R&D centers and ISO/TS 16949-certified wafer fabs.

The FL-S flash product line targets high-reliability embedded systems requiring AEC-Q100 qualification, hardware security, and deterministic performance - especially in automotive, industrial, and medical applications demanding long-term data integrity.

FAQ

What is the maximum clock frequency supported in DDR mode?

The S25FL512SAGMFB010 supports Fast Read DDR, Dual Read DDR, and Quad Read DDR at up to 80 MHz clock rate when VIO = VCC = 3.0–3.6 V, delivering 20 MBps, 40 MBps, and 80 MBps respectively. DDR operation requires proper setup/hold timing alignment per AC specification Section 5.5 and is disabled by default - enabled via Configuration Register bit CR3[1].

Does this device support hardware reset recovery without host intervention?

Yes. The RESET# pin provides asynchronous hardware reset functionality: asserting RESET# for ≥20 µs forces the device into a known initial state, clears all internal registers, and disables all ongoing operations. After release, the device enters standby mode and is ready for new commands within 100 µs - no host firmware sequence required.

How is the 1024-byte OTP array accessed and protected?

The OTP array resides at fixed address 0x00000000 and is accessed using standard Read/Program/Erase commands with specific opcode extensions (0x4B for OTP Read). Once programmed, OTP bits cannot be erased; write protection is enforced by Status Register bit SRP0/SRP1 and hardware WP# assertion. Access requires prior Write Enable command and is blocked during active erase or program cycles.

Can the device operate with VIO = 1.8 V while VCC = 3.3 V?

Yes. The S25FL512SAGMFB010 supports independent I/O and core supplies: VIO may be set to 1.65–2.7 V (e.g., 1.8 V) while VCC remains at 2.7–3.6 V (e.g., 3.3 V). This enables direct interfacing with 1.8 V FPGAs or ASICs without level shifters. All timing parameters scale accordingly - e.g., Quad Read drops to 33 MBps at 66 MHz SCK under these conditions.