{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LMK61A2-644M53SIAT","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"LMK61A2-644M53SIAT","canonicalUrl":"https://icboms.com/texas-instruments/LMK61A2-644M53SIAT","factsUrl":"https://icboms.com/api/mcp/products/LMK61A2-644M53SIAT","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments LMK61A2-644M53SIAT Clock Oscillator, 644.53 MHz, 3.135V-3.465V supply, 152 mA, -40°C~85°C, 6-SMD Module, 6-QFM (7x5).","salesMarkdown":"## 644.53 MHz fixed-frequency XO for high-speed clock trees The LMK61A2-644M53SIAT is a fixed-frequency clock oscillator from Texas Instruments, delivering a 644.53 MHz output from a 3.135 V to 3.465 V supply rail. ## Package and board-fit for high-speed layout Housed in a 6-SMD module with the supplier device package designated 6-QFM measuring 7 mm x 5 mm, this oscillator is surface-mount and intended for reflow assembly. The compact footprint suits dense clock trees on multi-layer PCBs where signal integrity at 644.53 MHz demands a tight loop between the oscillator, decoupling caps, and the load.","metaTitle":"Texas Instruments LMK61A2-644M53SIAT Clock Oscillator","metaDescription":"Texas Instruments LMK61A2-644M53SIAT clock oscillator, 644.53 MHz, 3.135V-3.465V, -40°C to 85°C, 6-QFM package. Active production, sourced to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Clock & Timing ICs"],"specifications":{"Mfr":"Texas Instruments","Type":"Clock Oscillator","Count":"-","Series":"-","Package":"Tape & Reel (TR); Cut Tape (CT)","Frequency":"644.53MHz","Mounting Type":"Surface Mount","Package / Case":"6-SMD Module","Product Status":"Active","lifecycle_stage":"eol_hot","Current - Supply":"152 mA","Voltage - Supply":"3.135V ~ 3.465V","Base Product Number":"LMK61A2","Operating Temperature":"-40°C~85°C","Supplier Device Package":"6-QFM (7x5)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$10.2200","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/4f79d073177f07fede4fe798bc432227.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/LMK61A2-644M53SIAT/alternatives.json"},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/LMK61A2-644M53SIAT","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/LMK61A2-644M53SIAT 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}}