Infineon Technologies S25FL512SDPBHI313

Overview

S25FL512SDPBHI313 from Infineon is a 512 Mb (64 MB) serial NOR flash memory IC with SPI Multi-I/O interface, 3.0 V core supply, and uniform 256-KB sector architecture. It supports Quad Read up to 52 MBps, on-chip ECC, AutoBoot, and CFI/SFDP compliance for embedded boot and code storage in industrial and automotive systems.

For engineers reviewing the S25FL512SDPBHI313 datasheet, S25FL512SDPBHI313 pinout, S25FL512SDPBHI313 application, or S25FL512SDPBHI313 equivalent, key selection criteria include Quad DDR read performance (80 MBps), AEC-Q100 Grade 2 qualification (–40°C to +105°C), OTP security (1024 bytes), and SO16 package compatibility with legacy S25FL-P footprints.

Technical Context

This device implements Infineon's 65 nm MIRRORBIT™ technology with Eclipse™ architecture, enabling high-density nonvolatile storage with deterministic timing and hardware-accelerated error correction. Its dual-voltage I/O (VIO = 1.65–3.6 V) decouples logic signaling from core power, supporting mixed-signal SoC interfacing without level shifters.

The SPI interface supports all four clock modes (CPOL/CPHA 0/0 and 1/1), DDR command execution, and extended 32-bit addressing-enabling seamless migration from S25FL-A/K/P families while maintaining register-level compatibility and identical command opcodes for read, program, and erase operations.

Key Specifications

Pinout & Package

Package: 16-pin SOIC (300 mil), Pb-free, RoHS-compliant, industrial temperature grade (–40°C to +85°C).

Key Features

Applications

Equivalent & Alternatives

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

Compared with S25FL512SDPBHI313, the S25FL512SAGMFI200 offers identical functionality in BGA form but restricts I/O voltage range, while the MX25L51245GZC-10G trades DDR speed and ASP security for lower unit cost-making it viable only where those features are unused.

Availability

S25FL512SDPBHI313 is available at Aetrix Electronics and suitable for automotive ECU development, industrial PLC manufacturing, and medical imaging subsystem production requiring stable component supply across extended temperature ranges and long product lifecycles.

Supply support for S25FL512SDPBHI313 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 memory solutions for automotive, industrial, and IoT markets.

The FL-S family targets high-reliability embedded systems needing fast, secure, and standards-compliant serial NOR flash-designed specifically for boot code storage, firmware updates, and configuration data in safety-critical environments.

FAQ

Is S25FL512SDPBHI313 pin-compatible with earlier S25FL-P series devices?

Yes-this SO16 variant maintains identical pinout, signal definitions, and command set with S25FL-P devices such as S25FL256S. The footprint, CS#/SCK/SI/SO/WP#/HOLD#/RESET#/VCC/VIO/VSS assignments match exactly, enabling drop-in replacement without PCB redesign.

Does this part support Quad DDR read mode, and what clock rate is required?

Yes-it supports Quad DDR Fast Read at up to 80 MBps using an 80 MHz DDR clock (160 MT/s effective). This requires VIO = VCC = 3.0–3.6 V and proper DDR timing setup per datasheet Section 5.5; standard SPI controllers need DDR-capable peripheral support.

What is the function of the RESET# pin, and is it mandatory for normal operation?

RESET# asynchronously resets the internal state machine and clears pending commands. While not required for basic read/write/erase, it is mandatory for reliable recovery after power-on reset or brownout events-and must be asserted for at least 20 ns per datasheet Section 2.3 to ensure deterministic initialization.

How is the 1024-byte OTP array accessed, and can it be reprogrammed?

The OTP array is accessed via dedicated JEDEC-standard one-time-program commands (0x4B, 0x42); once programmed, bits cannot be erased or rewritten. It resides at fixed address 0x00000000 in OTP space and is used for immutable keys, calibration data, or device-unique identifiers in production programming.