Infineon Technologies S25FL512SDPBHB213

Overview

S25FL512SDPBHB213 from Infineon is a 512 Mb (64 MB) SPI Multi-I/O serial NOR flash memory with 3.0 V core supply, supporting Quad and DDR read modes up to 80 MHz, uniform 256-KB sector erase, and integrated hardware ECC. It operates across industrial and automotive temperature ranges (–40°C to +105°C), and is commonly used for firmware storage in embedded controllers and boot code execution in industrial gateways.

For engineers reviewing the S25FL512SDPBHB213 datasheet, S25FL512SDPBHB213 pinout, S25FL512SDPBHB213 application, or S25FL512SDPBHB213 equivalent, key selection criteria include Quad/DDR read throughput (up to 80 MBps), 100,000 program-erase cycles, OTP security features, AEC-Q100 Grade 2 qualification, and SO16 package compatibility with legacy S25FL-P designs.

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 interface (VIO = 1.65–3.6 V, VCC = 2.7–3.6 V) supports mixed-signal SoC integration while maintaining backward compatibility with S25FL-A/K/P families via identical command sets and footprint.

The logic block diagram confirms dedicated control paths for AutoBoot, CFI register access, and OTP array management. Internal hardware ECC performs single-bit correction on-the-fly during read operations, and Advanced Sector Protection allows password- or boot-code-controlled individual sector locking-critical for secure firmware updates in automotive ECUs.

Key Specifications

Pinout & Package

Package: 16-pin SOIC (300 mil), Pb-free, RoHS-compliant, body size 10.16 × 7.49 mm.

Key Features

Applications

Equivalent & Alternatives

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

Compared with S25FL512SDPBHB213, the FBGA alternative offers identical functionality in smaller form factor but sacrifices through-hole assembly flexibility, while the Macronix part trades security and speed for lower unit cost-making it viable only in non-safety-critical, low-performance contexts.

Availability

S25FL512SDPBHB213 is available at Aetrix Electronics and suitable for industrial PLCs, automotive ADAS ECUs, medical imaging systems, and smart energy meters requiring stable component supply, long-term lifecycle support, and AEC-Q100 qualified flash memory.

Supply support for S25FL512SDPBHB213 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, automotive ICs, and secure microcontrollers, with global R&D and manufacturing infrastructure.

The FL-S family targets high-reliability embedded systems requiring fast, secure, and long-life nonvolatile storage-designed specifically for automotive, industrial, and medical applications demanding AEC-Q100 qualification and hardware-based data integrity.

FAQ

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

The S25FL512SDPBHB213 supports Quad DDR read operations at up to 80 MHz, delivering 80 MBps throughput when VIO = VCC = 3.0–3.6 V. This mode requires proper setup of the configuration register (CR) bit [1] and uses double-data-rate sampling on both SCK edges. Timing margins must comply with tSHQD and tSLQD specifications per the datasheet Section 5.5.

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

Yes, the RESET# pin provides asynchronous active-low hardware reset. Asserting RESET# clears internal command state, resets status registers, disables write protection, and forces the device into standby mode. After deassertion, the device requires a minimum tRSTH (100 ns) before accepting new commands, and AutoBoot behavior resumes based on stored configuration.

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

The OTP array is accessed via dedicated One-Time-Program commands (0x4B and 0x42) and resides at fixed address 0x00000000 in the OTP address space. Once programmed, bits cannot be erased. Protection is enforced by Status Register bit SRP0/SRP1 and hardware WP# assertion; OTP programming is disabled unless both conditions are met, preventing accidental overwrite during normal operation.

Can this flash be used with a 1.8 V host processor without level shifters?

Yes, the S25FL512SDPBHB213 supports VIO = 1.65–2.7 V, making it fully compatible with 1.8 V host I/Os. The device automatically adapts drive strength and input thresholds to the applied VIO voltage. No external level shifters are needed when VIO = 1.8 V and VCC = 3.3 V, provided host timing margins meet the reduced SDR/DDR rates specified for 1.65–2.7 V VIO operation.