{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LMK1D1204RGTR","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"LMK1D1204RGTR","canonicalUrl":"https://icboms.com/texas-instruments/LMK1D1204RGTR","factsUrl":"https://icboms.com/api/mcp/products/LMK1D1204RGTR","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments LMK1D1204RGTR, Clock Buffer, 2:4 fanout, LVDS output, 2 GHz max frequency, 16-VFQFN exposed pad, -40°C to 105°C","salesMarkdown":"## 2:4 fanout with universal input conditioning The LMK1D1204RGTR is a 2:4 clock buffer from Texas Instruments that accepts HCSL, LVCMOS, LVDS, or LVPECL inputs and delivers LVDS outputs at up to 2 GHz. The 2:4 ratio means two selectable input banks feed four differential outputs — useful for splitting a reference clock to multiple SerDes or FPGA banks without adding a separate fanout tree. The supply voltage accepts three common rails: 1.71V–1.89V, 2.375V–2.625V, and 3.135V–3.465V. That covers 1.8V, 2.5V, and 3.3V systems directly, so the same BOM line works across a multi-voltage backplane without a local regulator. ## Industrial temperature and QFN footprint The differential input and output paths are both fully differential, which means the part preserves signal integrity on long PCB traces — the common-mode rejection rejects ground bounce that single-ended buffers pass through. No stock-holding claim; we source through our multi-distributor network.","metaTitle":"LMK1D1204RGTR Clock Buffer 2:4 2 GHz LVDS - Texas","metaDescription":"Texas Instruments LMK1D1204RGTR clock buffer, 2:4 fanout, 2 GHz max, LVDS output, -40°C to 105°C, 16-VQFN. Active production. Sourced per RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Clock & Timing ICs"],"specifications":{"Mfr":"Texas Instruments","Type":"Clock Buffer","Input":"HCSL, LVCMOS, LVDS, LVPECL","Output":"LVDS","Series":"-","Package":"Tape & Reel (TR) Cut Tape (CT)","Mounting Type":"Surface Mount","Package / Case":"16-VFQFN Exposed Pad","Product Status":"Active","Frequency - Max":"2 GHz","lifecycle_stage":"eol_hot","Voltage - Supply":"1.71V ~ 1.89V, 2.375V ~ 2.625V, 3.135V ~ 3.465V","Number of Circuits":"1","Ratio - Input:Output":"2:4","Operating Temperature":"-40°C ~ 105°C (TA)","Supplier Device Package":"16-VQFN (3x3)","Differential - Input:Output":"Yes/Yes"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$8.2400","priceTiers":[{"qty":1,"price":"$8.24000","currency":"USD"},{"qty":10,"price":"$7.44200","currency":"USD"},{"qty":25,"price":"$7.09560","currency":"USD"},{"qty":100,"price":"$6.16110","currency":"USD"},{"qty":250,"price":"$5.88416","currency":"USD"},{"qty":500,"price":"$5.36496","currency":"USD"},{"qty":1000,"price":"$4.67271","currency":"USD"},{"qty":3000,"price":"$4.49965","currency":"USD"}]},"links":{"datasheetUrl":null,"sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/LMK1D1204RGTR/alternatives.json"},"ai":{"faq":[{"question":"What is the frequency range of the LMK1D1204RGTR?","answer":"The maximum frequency is 2 GHz. The buffer operates from DC to that ceiling, so it covers common reference frequencies like 156.25 MHz, 312.5 MHz, and 1 GHz without issue."},{"question":"Is the LMK1D1204RGTR compatible with 1.8V systems?","answer":"Yes. The supply voltage range includes 1.71V to 1.89V, which covers a nominal 1.8V rail. The LVDS output swing is specified for that supply, so no level shifter is needed."},{"question":"Can LMK1D1204RGTR replace the CDCLVP1204RGTR?","answer":"The CDCLVP1204RGTR outputs LVPECL instead of LVDS. The input types overlap (LVCMOS, LVDS, LVPECL), but the output logic family differs — LVPECL requires DC termination to VCC-2V, while LVDS terminates to 100 ohms across the pair. They are not drop-in replacements; the board termination network must change."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/LMK1D1204RGTR","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/LMK1D1204RGTR 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}}