{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LTC6957IDD-3#PBF","brand":"Analog Devices","brandSlug":"analog-devices","productSlug":"LTC6957IDD-3PBF","canonicalUrl":"https://icboms.com/analog-devices/LTC6957IDD-3PBF","factsUrl":"https://icboms.com/api/mcp/products/LTC6957IDD-3%23PBF","rawCanonicalId":null},"summary":{"shortDescription":"Analog Devices LTC6957IDD-3#PBF, Fanout Buffer (Distribution), 1:2 ratio, 300 MHz max, accepts CML, CMOS, LVDS, LVPECL inputs, single-ended CMOS output, 3.15V–3.45V supply, –40°C to 85°C, 12-WFDFN exposed-pad package.","salesMarkdown":"## Device identity and signal interface The LTC6957IDD-3#PBF is a 1:2 fanout buffer from Analog Devices, part of the LTC6957 family. It accepts differential or single-ended clock inputs across CML, CMOS, LVDS, and LVPECL standards and delivers a single-ended CMOS output at up to 300 MHz. The supply rail is tight at 3.15V to 3.45V — a 3.3V rail with ±5% regulation stays inside the envelope; a 2.5V or 5V rail requires an intermediate regulator. Not rated for under-hood or avionics environments. ## Package and footprint considerations Housed in a 12-lead WFDFN with an exposed pad (3x3 mm body, supplier package 12-DFN). The exposed paddle must be soldered to a ground plane for thermal and electrical performance — a via array under the pad is recommended. Surface-mount only; no through-hole variant. The 0.50 mm pitch demands careful PCB layout — a 2-layer board can work with proper fan-out, but 4-layer simplifies signal integrity for the 300 MHz clock path. ## Lifecycle and compliance ROHS3 compliant (lead-free). ## Sourcing and availability Active and available through our distribution network. Quoted to order against your BOM quantity — no stock-holding claim, sourced per RFQ. Small quantities (tube quantities) are typically feasible.","metaTitle":"LTC6957IDD-3#PBF Fanout Buffer — 300 MHz, CMOS Output","metaDescription":"Analog Devices LTC6957IDD-3#PBF fanout buffer: 300 MHz max, accepts CML/CMOS/LVDS/LVPECL inputs, single-ended CMOS output, 1:2 ratio, 3.15V–3.45V supply, –40°C","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Clock & Timing ICs"],"specifications":{"Type":"Fanout Buffer (Distribution)","Input":"CML, CMOS, LVDS, LVPECL","Output":"CMOS","Package":"Tube","Mounting Type":"Surface Mount","Package / Case":"12-WFDFN Exposed Pad","Frequency - Max":"300 MHz","lifecycle_stage":"eol_hot","Voltage - Supply":"3.15V ~ 3.45V","Number of Circuits":"1","Ratio - Input:Output":"1:2","Operating Temperature":"-40°C ~ 85°C","Supplier Device Package":"12-DFN (3x3)","Differential - Input:Output":"Yes/No"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$10.82","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$10.82000","currency":"USD"},{"qty":10,"price":"$9.77200","currency":"USD"},{"qty":25,"price":"$9.31720","currency":"USD"},{"qty":100,"price":"$8.09010","currency":"USD"},{"qty":250,"price":"$7.72648","currency":"USD"},{"qty":500,"price":"$7.04476","currency":"USD"},{"qty":1000,"price":"$6.13575","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/a73d42f0fe94cfce038c093f3f032b04.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Can LTC6957IDD-3#PBF be used with LVPECL inputs?","answer":"Yes — the input stage accepts LVPECL, along with CML, CMOS, and LVDS. The output is single-ended CMOS, so the differential LVPECL signal is converted to a CMOS-level fan-out."},{"question":"Is LTC6957IDD-3#PBF a lead-free part?","answer":"Yes, it is ROHS3 compliant, meaning it meets the lead-free and restricted-substance requirements of the ROHS directive."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/analog-devices/LTC6957IDD-3PBF","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/analog-devices/LTC6957IDD-3PBF 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}}