Infineon Technologies S25FL512SDSMFBG13

Overview

S25FL512SDSMFBG13 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 for single-bit error correction. 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 S25FL512SDSMFBG13 datasheet, S25FL512SDSMFBG13 pinout, S25FL512SDSMFBG13 application, or S25FL512SDSMFBG13 equivalent, key selection criteria include Quad/DDR read performance, 100K program-erase cycles, OTP security, sector protection granularity, and AEC-Q100 Grade 2 qualification for extended-temperature embedded systems.

Technical Context

This device implements Infineon's 65 nm MIRRORBIT™ technology with Eclipse™ architecture, enabling high-density nonvolatile storage with deterministic timing and low-latency command execution. Its dual-voltage I/O (1.65–3.6 V) and core (2.7–3.6 V) support flexible system-level voltage scaling while maintaining full SPI command compatibility across S25FL-A/K/P families.

The logic block integrates SRAM latches, X/Y decoders, and dedicated control logic for simultaneous address decoding and data path management. All read, program, and erase operations are managed by on-die state machines with automatic ECC generation and verification-no host-side firmware intervention required for bit-error recovery.

Key Specifications

Pinout & Package

Package: 24-ball FBGA (FAB024 footprint, 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 memory applications.

Compared with S25FL512SDSMFBG13, the SOIC variant trades thermal robustness for ease of hand-soldering, while the Winbond part reduces voltage flexibility and security depth to meet lower-tier industrial cost targets-neither matches the combined AEC-Q100 Grade 2 qualification, DDR capability, and OTP-secured boot chain of the Infineon device.

Availability

S25FL512SDSMFBG13 is available at Aetrix Electronics and suitable for industrial PLC firmware storage, automotive ADAS boot memory, and edge gateway OTA update storage requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.

Supply support for S25FL512SDSMFBG13 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, sensing, and connectivity solutions for automotive, industrial, and IoT markets.

The S25FL-S family delivers high-reliability serial NOR flash optimized for mission-critical boot and firmware storage in extended-temperature, safety-aware systems-designed specifically for AEC-Q100 and industrial certification paths.

FAQ

What is the maximum clock frequency supported in DDR mode?

The S25FL512SDSMFBG13 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 timing requires strict setup/hold margins per datasheet Section 5.5 and is not supported below 3.0 V I/O supply.

Does this device require external hardware for ECC correction?

No. The device includes fully autonomous on-die ECC hardware that automatically detects and corrects single-bit errors during read operations and generates ECC codes during programming. No external logic, software overhead, or additional memory overhead is required for basic ECC functionality.

How is Advanced Sector Protection (ASP) configured and enforced?

ASP is configured via dedicated commands (0x2C/0x2F) that write protection status to sector-specific lock bits stored in the secure silicon region. Enforcement is hardware-based: once locked, sectors cannot be programmed or erased until unlocked via password or boot code authentication-bypassing standard status register protection mechanisms.

Can the device operate with different core and I/O voltages simultaneously?

Yes. VCC (core) operates independently from VIO (I/O) within specified ranges: VCC = 2.7–3.6 V and VIO = 1.65–3.6 V. This allows interfacing with 1.8 V or 3.3 V microcontrollers while maintaining full internal performance-verified across all command modes and temperature grades in the official datasheet.