{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"8P34S1212NLGI","brand":"Renesas Electronics","brandSlug":"renesas","productSlug":"8P34S1212NLGI","canonicalUrl":"https://icboms.com/renesas/8P34S1212NLGI","factsUrl":"https://icboms.com/api/mcp/products/8P34S1212NLGI","rawCanonicalId":null},"summary":{"shortDescription":"Renesas 8P34S1212NLGI Fanout Buffer (Distribution), Multiplexer, 2:12 LVDS, 1.2 GHz max, 1.71 V–1.89 V supply, -40°C to 85°C, 40-VFQFN (6x6 mm) exposed pad, Tray, Surface Mount.","salesMarkdown":"## 2:12 LVDS fanout at 1.2 GHz — the clock-tree workhorse you don't want to miss The Renesas 8P34S1212NLGI is a 2:12 fanout buffer and multiplexer that takes CML or LVDS inputs and delivers twelve LVDS outputs at frequencies up to 1.2 GHz. Its 2:12 input-to-output ratio lets you drive a dozen high-speed clock loads from a single device, cutting the component count versus cascading multiple 1:4 or 1:8 buffers — a real board-space win when you're routing a SerDes reference clock or FPGA fabric clock to multiple transceivers. ## 1.2 GHz — where the timing budget lives or dies At 1.2 GHz, the period is about 833 ps. Every picosecond of skew or jitter eats into your setup-and-hold margin. The 8P34S1212NLGI's differential LVDS outputs keep the edge rates controlled and the common-mode noise rejection high, which is exactly what you need when fanning a 10-Gigabit Ethernet or PCIe reference clock across a dozen destinations. The 2:12 ratio also means you can route a primary and redundant clock source through the same buffer — the multiplexer function selects between the two inputs, so a single part handles clock redundancy without an external mux. ## Package and thermal — the exposed-pad reality The 40-VFQFN with exposed pad (6x6 mm) is your thermal and ground path. At 1.2 GHz, the part draws a non-trivial current from the 1.8 V rail, and that heat has to go somewhere. Solder the exposed pad to a ground plane with a thermal via array — without it, the junction temperature climbs faster than the datasheet's power-dissipation curves suggest, especially if the ambient hits the 85°C end of the range.","metaTitle":"Renesas 8P34S1212NLGI Fanout Buffer, 2:12, 1.2 GHz, LVDS","metaDescription":"Renesas 8P34S1212NLGI fanout buffer with 2:12 LVDS distribution, 1.2 GHz max frequency, industrial temp range. Active, RoHS3 compliant.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Logic ICs"],"specifications":{"Type":"Fanout Buffer (Distribution), Multiplexer","Input":"CML, LVDS","Output":"LVDS","Package":"Tray","Mounting Type":"Surface Mount","Package / Case":"40-VFQFN Exposed Pad","Frequency - Max":"1.2 GHz","lifecycle_stage":"eol_hot","Voltage - Supply":"1.71V ~ 1.89V","Number of Circuits":"1","Ratio - Input:Output":"2:12","Operating Temperature":"-40°C ~ 85°C","Supplier Device Package":"40-VFQFPN (6x6)","Differential - Input:Output":"Yes/Yes"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$11.73","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$11.73000","currency":"USD"},{"qty":10,"price":"$10.78000","currency":"USD"},{"qty":25,"price":"$10.33280","currency":"USD"},{"qty":80,"price":"$9.10400","currency":"USD"},{"qty":230,"price":"$8.65722","currency":"USD"},{"qty":490,"price":"$8.09869","currency":"USD"},{"qty":980,"price":"$7.42845","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/4b2c1fcb70d86c7632eb8cf3d74e150d.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Is there a RoHS-compliant version of the 8P34S1212NLGI?","answer":"No separate lead-free suffix is needed — this part ships compliant out of the gate."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/renesas/8P34S1212NLGI","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/renesas/8P34S1212NLGI 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}}