Infineon Technologies S25FL164K0XBHV030

Overview

S25FL164K0XBHV030 from Cypress Semiconductor is a 64-Mbit (8 Mbyte), 3.0 V serial NOR flash memory with SPI Multi-I/O interface, supporting Quad Read at 108 MHz and delivering up to 54 MB/s continuous data transfer. It features uniform 4 kB sector and 64 kB block erase, 100K program-erase cycles, 20-year data retention, and hardware/software write protection. Used in embedded boot code storage and firmware update storage for industrial controllers.

For engineers reviewing the S25FL164K0XBHV030 datasheet, S25FL164K0XBHV030 pinout, S25FL164K0XBHV030 application, or S25FL164K0XBHV030 equivalent, key selection criteria include quad-mode read performance, security register OTP protection, AEC-Q100 Grade 2 qualification, and migration path to S25FL064L.

Technical Context

This device implements JEDEC-standard SPI command set with full Multi-I/O support-Single, Dual, and Quad I/O modes-all sharing the same 4–6 pin interface (CS#, SCK, IO0–IO3). It uses 90 nm floating gate technology and supports both volatile and non-volatile configuration registers.

The memory array is organized into 128 uniform 64 kB blocks (8,192 × 4 kB sectors), with independent suspend/resume capability for program and erase operations. Security includes three 256-byte OTP registers, 8-byte unique ID, and pointer-based block protection applicable only to S25FL132K and S25FL164K variants.

Key Specifications

Pinout & Package

Package: 8-lead SOIC (208 mil), body size 5.3 mm × 5.3 mm, lead pitch 1.27 mm, RoHS-compliant.

Key Features

Applications

Equivalent & Alternatives

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

Compared with S25FL164K0XBHV030, S25FL064L offers higher performance and broader temperature support but requires minor firmware adaptation, while MX25L6433F provides pin-compatible cost reduction at the expense of integrated security and advanced configuration flexibility.

Availability

S25FL164K0XBHV030 is available at Aetrix Electronics and suitable for industrial PLC firmware storage, automotive ADAS boot memory, and medical imaging system configuration requiring stable component supply despite end-of-life status.

Supply support for S25FL164K0XBHV030 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

Cypress Semiconductor (now part of Infineon Technologies) is a fabless semiconductor company specializing in microcontrollers, connectivity solutions, and non-volatile memory for embedded systems.

The S25FL1-K family was designed for high-reliability, code-execution-capable SPI flash in space-constrained industrial and automotive applications, emphasizing security, endurance, and seamless migration from legacy FL-K devices.

FAQ

Is S25FL164K0XBHV030 still recommended for new designs?

No. Cypress explicitly states this part is "Not Recommended for New Design" and designates S25FL064L as the factory-recommended migration path. While functional and available through authorized channels, new projects should adopt the successor due to extended temperature support, higher speed, and guaranteed long-term supply.

What package does S25FL164K0XBHV030 use?

S25FL164K0XBHV030 uses an 8-lead SOIC package with 208 mil width (SOC008 footprint), measuring 5.3 mm × 5.3 mm with 1.27 mm lead pitch. It is distinct from the 16-lead SOIC variant offered for the same part number in other configurations.

Does this device support Execute-in-Place (XIP)?

Yes. The device supports efficient XIP via Continuous Read and Wrapped Read modes, optimized for low-latency instruction fetch. At 108 MHz Quad Read, it achieves 54 MB/s throughput-sufficient to match or exceed legacy parallel NOR performance while using only six signal pins.

How is security implemented in S25FL164K0XBHV030?

Security includes three 256-byte OTP registers, 8-byte unique device ID, non-volatile status register protection bits, software/hardware write protection, and pointer-based block protection (exclusive to S25FL132K/S25FL164K). Lock-down until power cycle prevents runtime tampering of protection settings.