Infineon Technologies S25FL512SAGBHBA10

Overview

S25FL512SAGBHBA10 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, Quad Read up to 52 MBps, and integrated hardware ECC. It supports AutoBoot, CFI, and DDR read modes, and is qualified for Industrial Plus (–40°C to +105°C) operation in FBGA package.

For engineers reviewing the S25FL512SAGBHBA10 datasheet, S25FL512SAGBHBA10 pinout, S25FL512SAGBHBA10 application, or S25FL512SAGBHBA10 equivalent, key selection criteria include Quad/DDR read bandwidth, 100K program-erase cycles, OTP security, sector protection granularity, and AEC-Q100 Grade 2 qualification for automotive control modules.

Technical Context

This device implements Infineon's 65 nm MIRRORBIT™ technology with Eclipse™ architecture, enabling high-density nonvolatile storage with deterministic timing and low-power operation. Its dual-voltage I/O (1.65–3.6 V) and core (2.7–3.6 V) support flexible system-level voltage scaling.

The command set includes full SPI compatibility with S25FL-A/K/P families, extended 32-bit addressing, and dedicated commands for Advanced Sector Protection (ASP), OTP programming, and Fast/Quad/DDR read modes - all executed via a single 4-wire or 8-wire SPI interface.

Key Specifications

Pinout & Package

24-ball FBGA (FAB024, 6 × 8 mm footprint, 0.8 mm pitch), RoHS-compliant, with exposed thermal pad. Pinout optimized for signal integrity in high-speed SPI Multi-I/O operation.

Key Features

Applications

Equivalent & Alternatives

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

Compared with S25FL512SAGBHBA10, the SOIC variant trades thermal robustness for ease of assembly, while the Winbond alternative sacrifices automotive qualification, AutoBoot, and ASP for lower voltage operation - making the Infineon FBGA version optimal for mission-critical, thermally constrained, and secure firmware storage.

Availability

S25FL512SAGBHBA10 is available at Aetrix Electronics and suitable for automotive engine control units, industrial PLCs, medical imaging subsystems, and 5G radio unit configuration requiring stable component supply, long-term lifecycle assurance, and AEC-Q100 compliance.

Supply support for S25FL512SAGBHBA10 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 memory solutions, with global R&D and manufacturing infrastructure.

The FL-S family delivers high-performance, secure, and automotive-qualified serial NOR flash targeting code storage, boot memory, and firmware update applications in safety-critical and thermally demanding systems.

FAQ

What is the maximum clock frequency supported for Quad DDR read operations?

The S25FL512SAGBHBA10 supports Quad DDR read at up to 80 MHz clock frequency, delivering 80 MBps throughput when VIO = VCC = 3.0–3.6 V. This requires strict AC timing compliance per Section 5.5 of the datasheet, including setup/hold margins and controlled impedance routing on the host PCB.

Does this part support hardware reset via the RESET# pin, and what is its behavior?

Yes, the RESET# pin provides asynchronous hardware reset: asserting it low forces the device into a known idle state, clears internal command registers, and disables ongoing operations. Release must be synchronized with CS# deassertion to ensure clean restart; minimum pulse width is 20 ns per datasheet Section 2.3.

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

The OTP array is accessed via dedicated JEDEC-standard One-Time-Program commands (0x4B, 0x42). Once programmed, bits cannot be erased. Protection is enforced by Status Register lock bits and hardware write-disable circuitry - OTP programming requires prior Write Enable and specific unlock sequences to prevent accidental writes.

Can the device operate with different voltages on VCC and VIO rails?

Yes - VCC (2.7–3.6 V) powers the core logic and flash array, while VIO (1.65–3.6 V) independently supplies the I/O buffer. This allows interfacing with 1.8 V microcontrollers while maintaining full 3.3 V array performance, provided both rails meet min/max specifications and sequencing requirements in Section 4.4.