Infineon Technologies S25FL512SAGBHBB13

Overview

S25FL512SAGBHBB13 from Infineon is a 512 Mb (64 MB) serial NOR flash memory IC with SPI Multi-I/O interface, 3.0 V core supply (2.7–3.6 V), and 16-pin SOIC package. It supports Quad Read at up to 52 MBps, features hardware ECC, 256-KB uniform sector erase, 100,000 program-erase cycles, and operates across –40°C to +105°C (Industrial Plus grade). Used for firmware storage in embedded controllers and boot code execution in industrial gateways.

For engineers reviewing the S25FL512SAGBHBB13 datasheet, S25FL512SAGBHBB13 pinout, S25FL512SAGBHBB13 application, or S25FL512SAGBHBB13 equivalent, key selection factors include Quad DDR read performance (80 MBps), OTP security (1024-byte array), AEC-Q100 Grade 2 qualification, CFI/SFDP compliance, and SOIC-16 footprint compatibility with legacy S25FL-A/K/P families.

Technical Context

This device implements Infineon's 65 nm MIRRORBIT™ technology with Eclipse™ architecture, enabling high-density nonvolatile storage with deterministic timing. Its dual-voltage I/O (VIO = 1.65–3.6 V) allows interoperability with 1.8 V or 3.3 V host controllers while maintaining full 512 Mb addressability via 32-bit extended addressing.

The command set supports both standard SPI modes (0/3) and DDR operation, with AutoBoot functionality enabling automatic Normal or Quad Read at power-up from a preselected address. Internal hardware ECC provides single-bit error correction without software overhead during read operations.

Key Specifications

Pinout & Package

Package: 16-pin SOIC (300 mil), Pb-free, RoHS-compliant, with standard JEDEC MS-012AC footprint.

Key Features

Applications

Equivalent & Alternatives

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

Compared with S25FL512SAGBHBB13, the FBGA variant offers identical functionality in smaller form factor, while Winbond's part trades advanced reliability features for lower cost-making Infineon's SOIC version optimal for industrial field-upgrade and safety-critical boot applications.

Availability

S25FL512SAGBHBB13 is available at Aetrix Electronics and suitable for industrial PLCs, automotive ADAS modules, medical imaging devices, and smart grid communication systems requiring stable component supply, long-term lifecycle support, and AEC-Q100 qualification.

Supply support for S25FL512SAGBHBB13 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 leader specializing in power management, sensing, and security solutions for industrial, automotive, and IoT markets.

The S25FL-S family targets high-reliability embedded systems needing secure, high-speed, long-life nonvolatile memory - designed specifically for boot code execution, firmware storage, and secure key management in mission-critical applications.

FAQ

What is the maximum clock frequency supported in DDR mode?

The S25FL512SAGBHBB13 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. This requires strict PCB layout adherence to DDR timing constraints including matched trace lengths and controlled impedance.

Does this device require external hardware ECC circuitry?

No. The device integrates on-die hardware ECC that automatically detects and corrects single-bit errors during read operations without external components or software overhead. The ECC engine operates transparently and does not affect read latency or require host-side intervention.

Can the SOIC-16 package be used as a drop-in replacement for older S25FL-A series devices?

Yes - the S25FL512SAGBHBB13 maintains pin-to-pin compatibility, command set alignment, and footprint equivalence with S25FL-A, S25FL-K, and S25FL-P families. No hardware redesign is needed, though firmware may require minor updates to leverage new features like AutoBoot or DDR commands.

Is the 1024-byte OTP area one-time programmable only, or can it be erased?

The 1024-byte OTP (One-Time Programmable) array is permanently programmed after initial write - individual bits can be set (to '0') but never reset (to '1'). Once programmed, contents are retained for 20 years and survive power cycles, resets, and temperature extremes per AEC-Q100 Grade 2 specifications.