Infineon Technologies S25FL064LABBHV020

Overview

S25FL064LABBHV020 from Infineon is a 64 Mb (8 MB) serial NOR flash memory IC using 65-nm floating gate technology, supporting SPI multi-I/O (SIO/DIO/QIO/QPI) and DDR read modes up to 108 MHz, with uniform 4 KB/32 KB/64 KB erase sectors and 100,000 program-erase cycles - deployed in automotive instrument clusters for XIP code execution and firmware storage.

For engineers reviewing the S25FL064LABBHV020 datasheet, S25FL064LABBHV020 pinout, S25FL064LABBHV020 application, or S25FL064LABBHV020 equivalent, key selection criteria include Quad I/O read bandwidth (54 MBps), industrial-plus temperature grade (–40°C to +105°C), security region protection, SFDP compliance, and SOIC-16 package compatibility with legacy S25FL-A/S25FL1-K footprints.

Technical Context

The device implements a serial peripheral interface with configurable clock polarity/phase (modes 0 and 3), supports extended addressing (24-/32-bit), and integrates Serial Flash Discoverable Parameters (SFDP) v1.6 for automatic configuration. It enables burst wrap and continuous XIP read modes via QPI or standard SPI.

Its architecture includes a 256-byte page programming buffer, erase suspend/resume capability, and four dedicated 256-byte Security Regions outside the main array - each independently protected via volatile/non-volatile lock, password, or power-supply lock-down mechanisms.

Key Specifications

Pinout & Package

Package: 16-lead SOIC 300 mil (SO3016), 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 S25FL064LABBHV020, the Cypress alternative trades security and DDR performance for lower voltage operation, while the Winbond part offers higher clock rate in smaller package but omits dedicated Security Regions - making Infineon's device uniquely suited for automotive and industrial applications requiring hardware-enforced data isolation and deterministic XIP latency.

Availability

S25FL064LABBHV020 is available at Aetrix Electronics and suitable for automotive instrument clusters, industrial PLC firmware storage, medical imaging bootloaders, and smart energy meter calibration data requiring stable component supply across extended temperature ranges and long product lifecycles.

Supply support for S25FL064LABBHV020 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 microcontrollers, and secure memory solutions, with global R&D centers and ISO/TS 16949-certified wafer fabs.

The FL-L family targets automotive and industrial applications demanding high reliability, hardware security, and SPI-compatible high-speed code execution - designed specifically to replace parallel NOR flash while maintaining XIP performance and adding robust data protection.

FAQ

Is S25FL064LABBHV020 pin-compatible with earlier S25FL-A series devices?

Yes - it uses identical SOIC-16 pinout and shares command set compatibility with S25FL-A, S25FL1-K, and S25FL-P families. No PCB redesign is needed for migration, though QPI and DDR features require updated driver initialization sequences per the datasheet Section 5.2.

Does this device support execute-in-place (XIP) from QPI mode?

Yes - QPI mode enables true XIP with continuous burst wrap reads and zero command overhead. The device supports both fixed-length and variable-length burst modes, with latency as low as 8 ns per byte after initial address setup, verified per datasheet Table 11.3.

How is the Security Region protection enforced at hardware level?

Protection is implemented via dedicated non-volatile registers controlling access to four 256-byte regions outside the main array. Lock-down requires either power-supply voltage threshold detection, password match, or permanent fuse blow - all independent of Status Register bits and immune to software-only attacks.

What is the minimum VCC voltage required for reliable 108 MHz Quad I/O operation?

2.7 V is the absolute minimum specified for full-speed operation per datasheet Section 11.1. Below 2.7 V, maximum clock rate must be derated linearly to 54 MHz at 2.3 V - confirmed by electrical characterization across –40°C to +105°C.