{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"DSC2044FE2-F0018T","brand":"Microchip Technology","brandSlug":"microchip","productSlug":"DSC2044FE2-F0018T","canonicalUrl":"https://icboms.com/microchip/DSC2044FE2-F0018T","factsUrl":"https://icboms.com/api/mcp/products/DSC2044FE2-F0018T","rawCanonicalId":null},"summary":{"shortDescription":"Microchip DSC2044FE2-F0018T, MEMS-based XO (Standard), dual HCSL outputs at 100 MHz and 125 MHz, ±25 ppm stability, 2.25V–3.6V supply, 14-VFQFN package.","salesMarkdown":"## Dual HCSL clock for PCIe and Ethernet reference The DSC2044FE2-F0018T is a MEMS-based XO that delivers two HCSL outputs at 100 MHz and 125 MHz simultaneously — the two most common reference frequencies for PCIe Gen1/2/3 and 1 GbE / 10 GbE PHYs. Housed in a 14-VFQFN Exposed Pad package measuring 3.20 mm x 2.50 mm with a 0.90 mm height. Supply voltage spans 2.25 V to 3.6 V, covering 2.5 V and 3.3 V rails without an external regulator.","metaTitle":"DSC2044FE2-F0018T MEMS XO – Dual 100/125 MHz HCSL Output","metaDescription":"Active Microchip DSC2044 MEMS oscillator. Dual HCSL outputs at 100 MHz and 125 MHz, ±25 ppm stability, -20°C to 70°C. 14-VFQFN package. Quoted to order.","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":"DSC2044","Package":"Tape & Reel (TR)","Function":"Enable/Disable","Base Resonator":"MEMS","Package / Case":"14-VFQFN Exposed Pad","Product Status":"Active","lifecycle_stage":"eol_hot","Size / Dimension":"0.126\\\" L x 0.098\\\" W (3.20mm x 2.50mm)","Voltage - Supply":"2.25V ~ 3.6V","Base Product Number":"DSC2044","Frequency Stability":"±25ppm","Frequency - Output 1":"100MHz, 125MHz","Frequency - Output 2":"100MHz, 125MHz","Frequency - Output 3":"-","Frequency - Output 4":"-","Operating Temperature":"-20°C~70°C","Current - Supply (Max)":"60mA (Typ)","Current - Supply (Disable) (Max)":"23 mA"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/b375449e07c2b4be97254ea425d8fd47.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/DSC2044FE2-F0018T/alternatives.json"},"ai":{"faq":[{"question":"How can I order the DSC2044FE2-F0018T or check availability?","answer":"The DSC2044FE2-F0018T is an active Microchip part. We source it through independent distribution and quote to order against your BOM quantity. Submit an RFQ for current pricing and lead time confirmation."},{"question":"What are the output frequencies of the DSC2044FE2-F0018T?","answer":"It provides two HCSL outputs: one at 100 MHz and one at 125 MHz. Both outputs are active simultaneously."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/microchip/DSC2044FE2-F0018T","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/microchip/DSC2044FE2-F0018T 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}}