{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"49FCT3805AQGI8","brand":"Renesas Electronics","brandSlug":"renesas","productSlug":"49FCT3805AQGI8","canonicalUrl":"https://icboms.com/renesas/49FCT3805AQGI8","factsUrl":"https://icboms.com/api/mcp/products/49FCT3805AQGI8","rawCanonicalId":null},"summary":{"shortDescription":"Renesas Electronics 49FCT series Fanout Buffer (Distribution), 1:5 ratio, 2 circuits, CMOS/LVTTL I/O, 3V to 3.6V supply, -40°C to 85°C, 20-SSOP (0.154\", 3.90mm Width), Tape & Reel.","salesMarkdown":"## Clock fanout for the 3.3V backplane The 49FCT3805AQGI8 is a 1:5 fanout buffer from Renesas' 49FCT series, designed to distribute a single clock or data signal to five loads with matched propagation delays. Two independent 1:5 buffer circuits are integrated in the 20-SSOP package, giving a total of ten outputs from two inputs. The non-differential I/O (CMOS/LVTTL) means it interfaces directly with standard logic families without external termination resistors for differential pairs. ## Signal compatibility and temperature grade Both input and output are rated for CMOS and LVTTL levels, so the buffer accepts a 3.3V LVTTL clock from an oscillator or FPGA output and reproduces it as a clean CMOS-level signal to five fan-out loads. The supply voltage tolerance (3V to 3.6V) allows the part to run from a nominal 3.3V rail with margin for ripple and regulation tolerance. The 20-SSOP package (0.154\" body width, 3.90mm) is a common footprint for clock distribution in space-constrained designs. The tape-and-reel packaging suits automated pick-and-place assembly. The 20-QSOP supplier device package is electrically identical to the 20-SSOP — the difference is only in the manufacturer's internal package code.","metaTitle":"Renesas 49FCT3805AQGI8 Fanout Buffer, 1:5, 20-SSOP","metaDescription":"Active-production 1:5 fanout buffer from Renesas, 3V to 3.6V supply, CMOS/LVTTL I/O, -40°C to 85°C, 20-SSOP. Quoted to order.","metaKeywords":null},"attributes":{"series":"49FCT","packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Clock & Timing ICs"],"specifications":{"Type":"Fanout Buffer (Distribution)","Input":"CMOS, LVTTL","Output":"CMOS, LVTTL","Series":"49FCT","Package":"Tape & Reel (TR); Cut Tape (CT)","Mounting Type":"Surface Mount","Package / Case":"20-SSOP (0.154\\\", 3.90mm Width)","lifecycle_stage":"eol_hot","Voltage - Supply":"3V ~ 3.6V","Number of Circuits":"2","Ratio - Input:Output":"1:5","Operating Temperature":"-40°C ~ 85°C","Supplier Device Package":"20-QSOP","Differential - Input:Output":"No/No"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.9018","stockQuantity":0,"priceTiers":[{"qty":3000,"price":"$0.90180","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/08fdeaeeaed648516dd3aed7937ad9b9.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the difference between 49FCT3805AQGI8 and 49FCT3805APYGI?","answer":"The difference is packaging: the AQGI8 variant ships in tape-and-reel (suitable for automated assembly), while the APYGI variant ships in tube. The die and electrical specifications are the same."},{"question":"What supply voltage does the 49FCT3805AQGI8 require?","answer":"It operates from 3V to 3.6V, with a nominal 3.3V rail being the typical use case. The input and output logic levels are CMOS and LVTTL compatible."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/renesas/49FCT3805AQGI8","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/renesas/49FCT3805AQGI8 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-22T19:45:10.375Z","lastPublished":"2026-07-22T19:45:10.375Z","indexable":true}}