Infineon Technologies S25FL512SAGMFAR10

Overview

S25FL512SAGMFAR10 from Infineon is a 512 Mb (64 MB) serial NOR flash memory IC 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, SFDP, and operates across industrial (–40°C to +85°C) and automotive AEC-Q100 Grade 2 (–40°C to +105°C) temperature ranges.

For engineers reviewing the S25FL512SAGMFAR10 datasheet, S25FL512SAGMFAR10 pinout, S25FL512SAGMFAR10 application, or S25FL512SAGMFAR10 equivalent, key selection criteria include Quad DDR read performance (80 MBps), 100,000 program-erase cycles, OTP security (1024 bytes), sector protection granularity, and SOIC-16 package 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 and low-latency command execution. 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 SPI command set compatibility-including extended 32-bit addressing and Multi-I/O modes.

The logic block integrates SRAM-based data latches, X/Y decoders, and dedicated control logic for simultaneous address decoding and command parsing. Hardware ECC operates transparently during program/erase, eliminating software overhead for error detection and correction-critical for boot code integrity in safety-critical embedded systems.

Key Specifications

Pinout & Package

Package: 16-pin SOIC (300 mil), Pb-free, RoHS-compliant, standard footprint compatible with legacy S25FL devices.

Key Features

Applications

Equivalent & Alternatives

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

Compared with S25FL512SAGMFAR10, the Cypress alternative offers identical functionality but fails RoHS compliance, while the Winbond part trades security, endurance, and qualification for lower cost and 1.8 V compatibility-making it unsuitable for safety-critical or long-lifecycle deployments.

Availability

S25FL512SAGMFAR10 is available at Aetrix Electronics and suitable for automotive ADAS modules, industrial PLCs, medical imaging systems, and networking equipment requiring stable component supply, long-term lifecycle support, and AEC-Q100 qualification.

Supply support for S25FL512SAGMFAR10 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 security solutions for automotive, industrial, and IoT applications.

The S25FL-S family delivers high-reliability serial NOR flash optimized for mission-critical boot and firmware storage in automotive ECUs, industrial controllers, and medical devices-emphasizing data integrity, security, and extended temperature operation.

FAQ

What is the maximum clock frequency supported in Quad DDR mode?

The S25FL512SAGMFAR10 supports Quad DDR read operations at up to 80 MHz clock frequency, delivering 80 MBps effective throughput when VIO = VCC = 3.0–3.6 V. This is validated per datasheet Rev. *U Section 3, Table "Maximum read rates DDR", and requires proper setup/hold timing compliance per AC specifications in Section 5.5.

Does this part support hardware reset via the RESET# pin?

Yes, the RESET# pin provides asynchronous hardware reset functionality. Asserting RESET# low for ≥20 ns resets internal state machines and places the device in standby mode, clearing any ongoing command sequence. After release, the device remains in standby until CS# is asserted, as specified in Section 2.3 and Figure 3–1 of the datasheet.

Can the 1024-byte OTP be reprogrammed after initial programming?

No, the 1024-byte OTP (One-Time Programmable) array is permanently programmed and cannot be erased or rewritten. Once bits are set to '0', they remain fixed; '1' bits may be changed to '0' during programming, but no bit can transition from '0' back to '1'. This is defined in Section 8.1 and confirmed in the "OTP Array" subsection of Section 7.5.

Is the SOIC-16 package of this part pin-compatible with earlier S25FL-A series devices?

Yes, the S25FL512SAGMFAR10 in SOIC-16 package maintains identical pinout, signal definitions, and footprint as S25FL-A series devices (e.g., S25FL128S). This enables drop-in replacement in existing designs, provided voltage and timing margins accommodate the higher performance capabilities of the FL-S generation.