{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"DSC400-0444Q0009KI2","brand":"Microchip Technology","brandSlug":"microchip","productSlug":"DSC400-0444Q0009KI2","canonicalUrl":"https://icboms.com/microchip/DSC400-0444Q0009KI2","factsUrl":"https://icboms.com/api/mcp/products/DSC400-0444Q0009KI2","rawCanonicalId":null},"summary":{"shortDescription":"Microchip DSC400 series, XO (Standard), MEMS-based, 100 MHz HCSL output, ±25 ppm stability, 2.25V–3.6V supply, -40°C to 85°C, 20-VFQFN exposed pad package","salesMarkdown":"## MEMS oscillator with three 100 MHz HCSL lanes HCSL (High-Speed Current Steering Logic) swings 700–800 mV differential and requires no external termination resistors when driving a 50-Ω line to ground — the output current is internally set, so the PCB trace impedance alone sets the swing. ## Supply flexibility and enable/disable control Runs from 2.25V to 3.6V, covering 2.5V and 3.3V rails without a separate LDO — the wide range absorbs rail ripple as long as the input stays above the minimum dropout of the internal regulator. Housed in a 20-VFQFN with exposed pad (5.00mm x 3.20mm, 0.90mm height).","metaTitle":"DSC400-0444Q0009KI2 MEMS XO – 100 MHz HCSL, Active","metaDescription":"Microchip DSC400-0444Q0009KI2: MEMS XO, 100 MHz HCSL output, ±25 ppm stability, 2.25V–3.6V supply, -40°C to 85°C, 20-VFQFN. Active production. Request quote.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Crystals & Oscillators"],"specifications":{"Mfr":"Microchip Technology","Type":"XO (Standard)","Height":"0.035\\\" (0.90mm)","Output":"HCSL","Series":"DSC400","Package":"Tube","Function":"Enable/Disable","Base Resonator":"MEMS","Package / Case":"20-VFQFN Exposed Pad","Product Status":"Active","lifecycle_stage":"eol_hot","Size / Dimension":"0.197\\\" L x 0.126\\\" W (5.00mm x 3.20mm)","Voltage - Supply":"2.25V ~ 3.6V","Base Product Number":"DSC400","Frequency Stability":"±25ppm","Frequency - Output 1":"100MHz","Frequency - Output 2":"100MHz","Frequency - Output 3":"100MHz","Frequency - Output 4":"-","Operating Temperature":"-40°C~85°C","Current - Supply (Max)":"-"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/b247d1214c1ba7a1d3d65d986154f631.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/DSC400-0444Q0009KI2/alternatives.json"},"ai":{"faq":[{"question":"What is the output frequency and type of DSC400-0444Q0009KI2?","answer":"It outputs 100 MHz on all three lanes using HCSL (High-Speed Current Steering Logic) differential signaling — the same logic family used for PCIe reference clocks."},{"question":"Does DSC400-0444Q0009KI2 have an enable/disable function?","answer":"Yes, it includes an Enable/Disable pin. When disabled, the output buffers go to high-impedance (tri-state), reducing dynamic current while the MEMS core remains powered."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/microchip/DSC400-0444Q0009KI2","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/microchip/DSC400-0444Q0009KI2 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}}