Infineon Technologies S25FL064LABNFB013

Overview

S25FL064LABNFB013 from Infineon is a 64 Mb (8 MB) serial NOR flash memory IC using 65-nm floating gate technology, operating from 2.7 V to 3.6 V with industrial temperature range (–40°C to +85°C). It supports SPI multi-I/O modes - SIO, DIO, QIO, and QPI - including DDR read commands, delivers up to 54 MBps read throughput, and features uniform 4 KB sector erase, 256-byte page programming, and SFDP-based configuration. It is used for XIP code execution and firmware storage in space-constrained embedded systems.

For engineers reviewing the S25FL064LABNFB013 datasheet, S25FL064LABNFB013 pinout, S25FL064LABNFB013 application, or S25FL064LABNFB013 equivalent, this page provides verified technical context, real-world timing and endurance specs, package-specific terminal mapping, security region architecture, and validated alternative parts for firmware storage and boot code applications.

Technical Context

The S25FL064LABNFB013 implements a serial peripheral interface with configurable clock polarity/phase (modes 0 and 3), supports extended addressing (24- or 32-bit), and includes Serial Flash Discoverable Parameters (SFDP) v1.5 for automatic configuration. Its command set includes suspend/resume for both program and erase operations, enabling concurrent background tasks.

It integrates four non-volatile 256-byte Security Regions outside the main array, with independent lock control via Status/Configuration Registers, WP# pin, and password-protected power supply lock-down. The device uses CMOS I/O compatible with 3.0 V logic and supports Deep Power Down mode drawing only 2 µA.

Key Specifications

Pinout & Package

Package: 8-lead SOIC 208 mil (SOC008), 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 S25FL064LABNFB013, the Cypress alternative offers identical functionality in a different package, while the Winbond part trades hardware security and SFDP compliance for lower voltage operation and reduced cost - making it suitable only where those features are not design-critical.

Availability

S25FL064LABNFB013 is available at Aetrix Electronics and suitable for industrial PLCs, automotive ADAS modules, medical IoT devices, and smart metering systems requiring stable component supply across extended product lifecycles.

Supply support for S25FL064LABNFB013 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 memory solutions, with global manufacturing and quality certification to ISO/TS 16949 and AEC-Q100.

The FL-L family is designed for high-reliability embedded firmware storage, emphasizing security, endurance, and SPI performance parity with parallel NOR - targeting automotive, industrial, and medical applications demanding certified longevity and tamper resistance.

FAQ

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

The S25FL064LABNFB013 supports QPI DDR read operations at up to 54 MHz, delivering 54 MBps effective throughput by transferring data on both clock edges. This is confirmed in Table 2 of the official Infineon datasheet (Rev. *H), and requires proper setup of the Configuration Register's DDR enable bit and clock phase alignment.

Does this part support hardware write protection independent of software commands?

Yes - the WP# pin provides hardware-level write protection for status/configuration registers and memory array when held low. This protection remains active even after power cycling and cannot be overridden by SPI commands unless WP# is deasserted and SRP bits are cleared via Write Enable.

Can the Security Regions be used to store cryptographic keys securely?

Yes - the four 256-byte Security Regions reside outside the main flash array and support independent locking via volatile/non-volatile methods, password protection, and power supply lock-down. They are specifically architected for keys, certificates, and calibration data, with documented isolation from standard erase commands.

Is SFDP support mandatory for initializing this device in an embedded system?

No - SFDP is optional but strongly recommended. The device responds to JEDEC ID and basic read commands without SFDP parsing. However, SFDP v1.5 provides reliable, versioned access to configuration registers, timing parameters, and feature flags - eliminating hardcoded assumptions in bootloader drivers.