Infineon Technologies S25FL064LABMFB013

Overview

S25FL064LABMFB013 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, supporting SPI multi-I/O (SIO/DIO/QIO/QPI), DDR read modes, and uniform 4 KB/32 KB/64 KB erase sectors. It enables XIP execution and code shadowing in space-constrained embedded systems such as automotive instrument clusters and industrial PLCs.

For engineers reviewing the S25FL064LABMFB013 datasheet, S25FL064LABMFB013 pinout, S25FL064LABMFB013 application, or S25FL064LABMFB013 equivalent, key selection criteria include Quad I/O read throughput up to 54 MBps, 100,000 program-erase cycles, 20-year data retention, AEC-Q100 Grade 2 qualification (–40°C to +105°C), and security region protection for firmware integrity.

Technical Context

The S25FL064LABMFB013 implements a serial flash architecture with configurable addressing (24-/32-bit), SFDP v1.5 compliance for automatic configuration, and dual-clock-edge DDR read support for QIO/QPI commands. Its command set includes suspend/resume for both program and erase operations, enabling real-time system responsiveness during background memory updates.

It integrates four non-volatile 256-byte Security Regions outside the main array, with independent lock-down via password or permanent protection, and supports legacy block protection plus volatile individual sector locking. The device uses standard SPI clock modes 0 and 3 and maintains footprint compatibility with prior Infineon S25FL-P/S/S25FS-S families.

Key Specifications

Pinout & Package

Package: 8-pin WSON (5 mm × 6 mm, WND008, Pb-free). Pinout validated per Infineon datasheet Rev. *H (2023-04-17), Figure 2.3 and Section 3.

Key Features

Applications

Equivalent & Alternatives

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

Compared with S25FL128SAGMFI101, this part trades capacity for automotive qualification; compared with MX25L6433FZNI-10G, it adds DDR, QPI, and Security Regions at the cost of higher unit price and tighter layout constraints.

Availability

S25FL064LABMFB013 is available at Aetrix Electronics and suitable for automotive instrument clusters, industrial PLCs, medical handheld diagnostics, and smart energy meter bootloader storage requiring stable component supply across extended temperature ranges and long product lifecycles.

Supply support for S25FL064LABMFB013 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.

The FL-L family targets high-reliability embedded systems needing fast, secure, and pin-efficient flash storage - specifically engineered for automotive, industrial, and medical applications demanding AEC-Q100 qualification and firmware integrity protection.

FAQ

Is S25FL064LABMFB013 pin-compatible with earlier S25FL-A series devices?

Yes, it maintains identical pinout and footprint with S25FL-A devices in the same WND008 package, including CS#, SO/IO1, WP#/IO2, and RESET#/IO3 assignments. However, QPI and DDR functionality require updated host firmware to issue new command opcodes and configure SFDP parameters accordingly.

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

The device requires ≥2.9 V VCC to guarantee correct timing margins for Quad I/O reads at 108 MHz, per Electrical Specifications Table 11.2. Operation below 2.9 V may cause setup/hold violations on IO0–IO3 lines, leading to read corruption or command timeout errors.

How does the Security Region protection mechanism prevent unauthorized firmware modification?

Security Regions 2 and 3 can be permanently locked via password or power-supply lock-down, disabling all write/erase access regardless of status register settings. This physically isolates bootloader keys and cryptographic certificates from runtime software, meeting ISO 21434 hardware security requirements.

Can S25FL064LABMFB013 be used in XIP mode with ARM Cortex-M7 processors?

Yes - its continuous burst wrap read mode and low-latency Quad I/O interface support zero-wait-state XIP execution on Cortex-M7 MCUs with appropriate cache and prefetch buffer configuration. Verified operation at 108 MHz QPI with 32-byte burst length achieves sustained 432 MBps effective instruction fetch bandwidth.