Nexperia USA Inc. S25FL128SDPBHI210

Overview

S25FL128SDPBHI210 from Cypress Semiconductor (now Infineon) is a 128-Mbit serial NOR flash memory with Quad SPI interface, 1.8 V supply voltage, and 133 MHz read clock frequency. It supports XIP (execute-in-place), dual/quad I/O modes, and sector erase granularity down to 4 KB. Used in industrial HMIs and embedded boot code storage where fast random access and high reliability are required.

For engineers reviewing the S25FL128SDPBHI210 datasheet, S25FL128SDPBHI210 pinout, S25FL128SDPBHI210 application, or S25FL128SDPBHI210 equivalent, key selection criteria include quad-SPI timing compliance, 1.8 V VCC tolerance, sector protection lock bits, and JEDEC-standard SOIC-8 pinout compatibility.

Technical Context

This device implements a standard Serial Peripheral Interface (SPI) with extended quad-I/O command set (0x6B, 0xEB) for high-throughput data reads. It uses stacked-die architecture to achieve 128 Mbit density in a single SOIC-8 package while maintaining JEDEC JESD216B-compliant SFDP tables.

Internal write-protect logic includes volatile and non-volatile status register bits, hardware write protection via WP# pin, and software-controlled sector lockdown. Erase suspend/resume and program suspend/resume functions enable concurrent background operations.

Key Specifications

Pinout & Package

Package: 8-pin SOIC (Small Outline Integrated Circuit), 208 mil width, RoHS-compliant, surface-mountable.

Key Features

Applications

Equivalent & Alternatives

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

Compared with S25FL128SDPBHI210, the WSON variant trades pin count for size and thermal performance, while the MXIC part sacrifices quad-speed and advanced command features for cost-sensitive legacy designs lacking QPI hardware.

Availability

S25FL128SDPBHI210 is available at Aetrix Electronics and suitable for industrial HMIs, medical diagnostics, automotive telematics, and network edge infrastructure requiring stable component supply across multi-year production cycles.

Supply support for S25FL128SDPBHI210 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 acquired Cypress Semiconductor in 2020 and maintains its broad portfolio of non-volatile memory and microcontroller solutions.

This part belongs to the Semper™ family of high-reliability NOR flash devices, designed specifically for mission-critical embedded systems requiring deterministic timing, long data retention, and robust field update capabilities.

FAQ

What is the maximum clock frequency supported in Quad SPI mode?

The S25FL128SDPBHI210 supports up to 133 MHz in Quad SPI mode, delivering 532 MB/s effective throughput. This is specified under VCC = 1.8 V ±0.1 V and ambient temperature range –40°C to +85°C. Timing margins require strict adherence to tCH and tCL minimums per the datasheet's AC characteristics table.

Does this device support execute-in-place (XIP) operation?

Yes, the S25FL128SDPBHI210 supports true XIP operation via Quad SPI, allowing the host processor to fetch instructions directly from flash without loading into RAM. This requires host controller support for QPI command sequences and proper address mapping in the memory controller.

How is hardware write protection implemented on this part?

Hardware write protection is implemented through the /WP pin: when held low, it locks the status register and prevents modification of sector protection bits. This function operates independently of software commands and remains active even during power cycling if /WP is externally held low.

Is the SOIC-8 package lead-free and RoHS compliant?

Yes, the S25FL128SDPBHI210 in SOIC-8 packaging is fully RoHS compliant and lead-free per EU Directive 2011/65/EU. The device carries the "Pb-free" marking on the top-side package label and meets IPC/JEDEC J-STD-020 moisture sensitivity level 3 (MSL3).