Infineon Technologies S25FL512SAGBHVC10

Overview

S25FL512SAGBHVC10 from Infineon is a 512 Mb (64 MB) serial NOR flash memory with SPI Multi-I/O interface, designed for high-reliability embedded boot code and firmware storage in industrial and automotive systems. It supports Quad Read at up to 52 MBps, features 256-KB uniform sectors, 100,000 program-erase cycles, 20-year data retention, and integrated hardware ECC.

For engineers reviewing the S25FL512SAGBHVC10 datasheet, S25FL512SAGBHVC10 pinout, S25FL512SAGBHVC10 application, or S25FL512SAGBHVC10 equivalent, key selection criteria include SPI DDR support, AEC-Q100 Grade 2 qualification (–40°C to +105°C), SO16 package compatibility, OTP security, and AutoBoot functionality for deterministic startup.

Technical Context

This device implements Infineon's 65 nm MIRRORBIT™ technology with Eclipse™ architecture, enabling fast random access and low-power operation. It supports SPI clock modes 0 and 3, extended 32-bit addressing, and dual/quad/DDR read commands - all while maintaining footprint and command-set compatibility with prior S25FL-A/K/P families.

The internal control logic integrates automatic ECC generation for single-bit correction, programmable block protection via status register bits, and Advanced Sector Protection (ASP) with password- or boot-code-controlled individual sector locking. VIO operates independently from VCC (1.65–3.6 V vs. 2.7–3.6 V), supporting mixed-voltage system interfacing.

Key Specifications

Pinout & Package

Package: 16-pin SOIC (300 mil), Pb-free, RoHS-compliant, industrial-grade body outline per JEDEC MS-012.

Key Features

Applications

Equivalent & Alternatives

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

Compared with S25FL512SAGBHVC10, the FBGA variant offers identical functionality in smaller footprint but higher assembly cost, while the Winbond part sacrifices automotive qualification, DDR, AutoBoot, and advanced security for lower unit price and 1.8 V operation.

Availability

S25FL512SAGBHVC10 is available at Aetrix Electronics and suitable for automotive ECU design, industrial PLC development, and medical imaging system integration requiring stable component supply, long-lifecycle support, and AEC-Q100-compliant flash memory.

Supply support for S25FL512SAGBHVC10 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, sensor, and memory solutions for automotive, industrial, and IoT applications.

The S25FL-S family targets high-reliability embedded systems needing deterministic boot, long data retention, and robust security - particularly in automotive ECUs, industrial controllers, and medical devices where firmware integrity is mission-critical.

FAQ

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

The S25FL512SAGBHVC10 supports Fast Read DDR, Dual Read DDR, and Quad Read DDR at up to 80 MHz clock frequency, delivering 20 MBps, 40 MBps, and 80 MBps respectively when VIO = VCC = 3.0–3.6 V. DDR mode requires proper setup via configuration register bit CR3[1] and is not enabled by default.

Does this device support hardware reset recovery without host intervention?

Yes - the RESET# pin provides asynchronous hardware reset that clears internal state and forces re-initialization on the next CS# assertion. After reset, the device defaults to standard SPI mode and executes AutoBoot if previously configured, enabling fully autonomous recovery from power glitches or brownouts.

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

The OTP array is accessed via dedicated One-Time-Program commands (0x4B, 0x42) and resides at fixed address 0x00000000 in OTP space. It is permanently locked after first write; subsequent writes return status error. Access requires Write Enable (0x06) and is blocked when Status Register Bit 7 (SRP) is set to 1, enforcing irreversible lockdown.

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

Yes - VIO (1.65–3.6 V) and VCC (2.7–3.6 V) are independently powered. Operating with VIO = 1.8 V and VCC = 3.3 V is explicitly supported and enables direct interfacing with 1.8 V microcontrollers or FPGAs while maintaining full internal performance and reliability specifications.