Infineon Technologies S25FL512SAGMFBG10

Overview

S25FL512SAGMFBG10 from Infineon is a 512 Mb (64 MB) serial NOR flash memory IC with SPI Multi-I/O interface, designed for embedded boot code storage and firmware execution in resource-constrained systems. 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).

For engineers reviewing the S25FL512SAGMFBG10 datasheet, S25FL512SAGMFBG10 pinout, S25FL512SAGMFBG10 application, or S25FL512SAGMFBG10 equivalent, key selection criteria include DDR-capable SPI timing, OTP-based secure boot configuration, AEC-Q100 Grade 2 qualification, and compatibility with legacy S25FL-P footprint and command set.

Technical Context

This device implements Infineon's 65 nm MIRRORBIT™ technology with Eclipse™ architecture, enabling high-density nonvolatile storage with deterministic read latency and robust data retention. Its dual-voltage I/O (VIO = 1.65–3.6 V, VCC = 2.7–3.6 V) allows interoperability with both 1.8 V and 3.3 V host controllers while maintaining full Quad/DDR read performance under VIO ≥ 3.0 V.

The control logic integrates AutoBoot functionality-configurable to execute Normal or Quad Read automatically at power-up or reset-and supports Common Flash Interface (CFI) and JEDEC JESD216 SFDP for runtime parameter discovery. Sector protection is enforced via status register bits and Advanced Sector Protection (ASP) with password- or boot-code-controlled individual sector locking.

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 memory applications.

Compared with S25FL512SAGMFBG10, the Cypress variant offers identical performance and qualification but divergent logistics tracking, while the Winbond part trades critical reliability and security features for lower unit cost in less demanding environments.

Availability

S25FL512SAGMFBG10 is available at Aetrix Electronics and suitable for industrial PLC firmware storage, automotive ADAS boot memory, and medical imaging system configuration requiring stable component supply across extended temperature and long lifecycle programs.

Supply support for S25FL512SAGMFBG10 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 industrial, automotive, and IoT applications.

The S25FL-S family delivers high-reliability serial NOR flash optimized for secure boot, firmware storage, and real-time code execution in harsh environments - built on MIRRORBIT™ technology for endurance and retention.

FAQ

What is the maximum clock frequency supported in DDR mode?

The S25FL512SAGMFBG10 supports Fast Read DDR, Dual Read DDR, and Quad Read DDR at up to 80 MHz clock frequency when VIO = VCC = 3.0–3.6 V, delivering effective throughput of 20 MBps, 40 MBps, and 80 MBps respectively. DDR operation requires proper setup/hold timing alignment and is not supported below 3.0 V I/O supply.

Does this device require external hardware ECC circuitry?

No. The S25FL512SAGMFBG10 includes fully integrated hardware ECC that automatically detects and corrects single-bit errors during read operations without any external components or software intervention. The ECC engine operates transparently and does not affect read latency or require additional command overhead.

Can the OTP area be reprogrammed after initial programming?

No. The 1024-byte OTP (One-Time Programmable) array is permanently programmed using high-voltage pulses and cannot be erased or rewritten. Once written, contents are retained for the device's lifetime and are used for storing immutable data such as cryptographic keys, device IDs, or calibration constants.

Is the FAB024 FBGA package compatible with standard reflow profiles?

Yes. The FAB024 24-ball FBGA package (6 × 8 mm, 0.8 mm pitch) is qualified for standard lead-free reflow soldering per IPC/JEDEC J-STD-020, with peak temperature up to 260°C. Its Pb-free, RoHS-compliant construction and thermal profile tolerance ensure reliable assembly in automated SMT lines without special process adjustments.