{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"557GI-03LFT","brand":"Renesas Electronics","brandSlug":"renesas","productSlug":"557GI-03LFT","canonicalUrl":"https://icboms.com/renesas/557GI-03LFT","factsUrl":"https://icboms.com/api/mcp/products/557GI-03LFT","rawCanonicalId":null},"summary":{"shortDescription":"Renesas 557GI-03LFT clock source IC, PLL Yes, Input Clock/Crystal, Output HCSL/LVDS, 1 circuit, 1:2 ratio, 200 MHz max, 2.97V-3.63V, -40°C to 85°C, 16-TSSOP.","salesMarkdown":"## What this clock source does on a PCIe line card The Renesas 557GI-03LFT is a PLL-based clock source IC for Ethernet and PCI Express (PCIe) interfaces. It accepts a clock or crystal input and outputs two differential HCSL or LVDS signals at up to 200 MHz. ## Package and footprint Housed in a 16-TSSOP (4.40 mm width), the part is a surface-mount device that fits the same footprint as other 16-pin TSSOP clock buffers. ## Lifecycle and sourcing posture The 557GI-03LFT carries an Active product status and ROHS3 compliance. For current pricing and availability, submit an RFQ — the quote will reflect real-time multi-source stock and market pricing.","metaTitle":"557GI-03LFT PCIe Clock Source, 200 MHz, 16-TSSOP","metaDescription":"557GI-03LFT clock source IC for Ethernet and PCI Express. PLL-based, 200 MHz max, HCSL/LVDS outputs, -40 to 85°C. Active, ROHS3.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Clock & Timing ICs"],"specifications":{"PLL":"Yes","Input":"Clock, Crystal","Output":"HCSL, LVDS","Package":"Tape & Reel (TR); Cut Tape (CT)","Main Purpose":"Ethernet, PCI Express (PCIe)","Mounting Type":"Surface Mount","Package / Case":"16-TSSOP (0.173\\\", 4.40mm Width)","Frequency - Max":"200MHz","lifecycle_stage":"eol_hot","Voltage - Supply":"2.97V ~ 3.63V","Number of Circuits":"1","Ratio - Input:Output":"1:2","Operating Temperature":"-40°C ~ 85°C","Supplier Device Package":"16-TSSOP","Differential - Input:Output":"No/Yes"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$1.81346","stockQuantity":0,"priceTiers":[{"qty":2500,"price":"$1.81346","currency":"USD"},{"qty":5000,"price":"$1.74528","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/b3cfe53081b60757c6cf4c52b3b76410.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the maximum frequency of 557GI-03LFT?","answer":"The maximum output frequency is 200 MHz, which covers PCIe Gen 1 (100 MHz), Gen 2 (100 MHz), and Gen 3 (100 MHz) reference clock requirements, plus Ethernet clock rates up to 200 MHz."},{"question":"What output types does 557GI-03LFT support?","answer":"The outputs are selectable between HCSL and LVDS differential pairs. This lets the same part drive either a standard PCIe HCSL-terminated load or an LVDS clock input on an FPGA or SerDes device."},{"question":"What is the equivalent or replacement for 557GI-03LFT?","answer":"The 9ZXL0851EKKLF is a functional peer — also a PLL-based PCIe clock source with HCSL outputs, but it offers a 1:8 fan-out and requires a differential input (Yes/Yes). The 557GI-03LFT takes a single-ended input (No/Yes) and fans out 1:2, so the two are not pin-compatible; the choice depends on fan-out count and input signal type needed."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/renesas/557GI-03LFT","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/renesas/557GI-03LFT when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-17T19:50:00.618Z","lastPublished":"2026-07-17T19:50:00.618Z","indexable":true}}