{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"S25FL127SABNFI103","brand":"Infineon Technologies","brandSlug":"infineon","productSlug":"S25FL127SABNFI103","canonicalUrl":"https://icboms.com/infineon/S25FL127SABNFI103","factsUrl":"https://icboms.com/api/mcp/products/S25FL127SABNFI103","rawCanonicalId":null},"summary":{"shortDescription":"Infineon FL-S series, 128 Mbit NOR Flash, SPI Quad I/O, 108 MHz clock, 2.7V to 3.6V supply, -40°C to 85°C, 8-WSON (5x6) exposed pad, Tape & Reel, S25FL127SABNFI103","salesMarkdown":"## What this 128 Mbit NOR Flash delivers for your firmware and data storage The S25FL127SABNFI103 is a 128 Mbit NOR Flash from Infineon's FL-S series, organised as 16M x 8 bits and accessed through a SPI Quad I/O interface running at 108 MHz. That clock rate, combined with the Quad I/O mode, pushes the effective read throughput well above what a single-bit SPI bus can sustain at the same frequency — a practical advantage when your MCU boots from external flash or logs data at high speed. At 108 MHz in Quad I/O mode, the S25FL127SABNFI103 can deliver around 54 MB/s sustained read throughput (108 MHz × 4 bits) before protocol overhead. That bandwidth is enough to feed a Cortex-M7 or a mid-range FPGA configuration engine without stalling the core on instruction fetches. The SPI Quad I/O interface uses four I/O lines for data, reducing the pin count compared to a parallel NOR flash while still offering a significant speed-up over single-SPI. If your MCU or SoC has a Quad SPI controller, this part lets you keep the PCB routing simple — just four signal traces plus chip select and clock. That said, NOR Flash supply can tighten during industry-wide memory allocation cycles — lead times stretch when foundry capacity shifts to higher-margin products. ## Package and board-level integration The supply voltage range is 2.7V to 3.6V, so a 3.3V rail with ±5% tolerance stays well within the window. Decoupling should follow the datasheet recommendation — a 100 nF ceramic close to each VCC pin, plus a bulk capacitor on the rail.","metaTitle":"S25FL127SABNFI103 Infineon 128 Mbit NOR Flash, Quad SPI","metaDescription":"S25FL127SABNFI103 Infineon FL-S series 128 Mbit NOR Flash. SPI Quad I/O interface at 108 MHz. Industrial temp -40°C to 85°C. 8-WSON (5x6) package.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Memory (DRAM / SRAM / Flash / EEPROM)"],"specifications":{"Mfr":"Infineon Technologies","Series":"FL-S","Package":"Tape & Reel (TR)","Technology":"FLASH - NOR","Memory Size":"128Mbit","Memory Type":"Non-Volatile","Memory Format":"FLASH","Mounting Type":"Surface Mount","Package / Case":"8-WDFN Exposed Pad","Product Status":"Active","Clock Frequency":"108 MHz","lifecycle_stage":"eol_hot","Memory Interface":"SPI - Quad I/O","Voltage - Supply":"2.7V ~ 3.6V","Base Product Number":"S25FL127","Memory Organization":"16M x 8","Operating Temperature":"-40°C~85°C(TA)","Supplier Device Package":"8-WSON (5x6)","Write Cycle Time - Word, Page":"-"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$3.1850","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/43a51ba9d93adfa18950e9134a7a1986.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Does the S25FL127SABNFI103 support Quad I/O interface?","answer":"Yes, the memory interface is SPI - Quad I/O, which uses four data lines for read and write operations. At the 108 MHz clock rate, Quad I/O mode delivers roughly four times the throughput of a single-bit SPI bus at the same frequency."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/infineon/S25FL127SABNFI103","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/infineon/S25FL127SABNFI103 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:49:49.435Z","lastPublished":"2026-08-11T15:49:49.435Z","indexable":true}}