{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"DSC2044FL1-H0005","brand":"Microchip Technology","brandSlug":"microchip","productSlug":"DSC2044FL1-H0005","canonicalUrl":"https://icboms.com/microchip/DSC2044FL1-H0005","factsUrl":"https://icboms.com/api/mcp/products/DSC2044FL1-H0005","rawCanonicalId":null},"summary":{"shortDescription":"Microchip DSC2044FL1-H0005, XO (Standard) MEMS oscillator, dual 125 MHz HCSL outputs, ±50 ppm stability, 2.25–3.6 V supply, -40°C to 105°C, 14-VFQFN exposed pad.","salesMarkdown":"## Dual 125 MHz HCSL outputs from a MEMS resonator The DSC2044FL1-H0005 delivers two identical 125 MHz HCSL clock outputs from a MEMS-based resonator, eliminating the quartz crystal start-up and aging concerns in a standard XO. HCSL (High-Speed Current Steering Logic) is the native signaling for PCIe Gen1/2/3 reference clocks and Ethernet PHY interfaces, so this part drops straight into a typical 100 MHz or 125 MHz fan-out tree without a level translator. The wide supply range of 2.25 V to 3.6 V lets it share a rail with a 2.5 V or 3.3 V FPGA bank without a separate LDO. ## 14-VFQFN package and enable/disable function Housed in a 14-VFQFN exposed-pad package measuring 3.20 mm x 2.50 mm with a 0.90 mm height, the part fits tight PCIe add-in-card or mezzanine layouts.","metaTitle":"DSC2044FL1-H0005 MEMS Oscillator – Dual 125 MHz HCSL","metaDescription":"DSC2044FL1-H0005 XO (Standard) from Microchip: dual 125 MHz HCSL outputs, ±50 ppm stability, 2.25–3.6 V supply, -40°C to 105°C.","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":"Tube","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":"±50ppm","Frequency - Output 1":"125MHz","Frequency - Output 2":"125MHz","Frequency - Output 3":"-","Frequency - Output 4":"-","Operating Temperature":"-40°C~105°C","Current - Supply (Max)":"60mA (Typ)","Current - Supply (Disable) (Max)":"23 mA"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/b91738e9586e6027e62ef034b6604aa1.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Does the DSC2044FL1-H0005 have a pin-compatible replacement if I need a different output frequency?","answer":"The DSC2044 series from Microchip includes multiple frequency variants in the same 14-VFQFN package and pinout (e.g., DSC2044FE1-H0005 for a different frequency option). Check the family datasheet for the full list of order codes that share the same footprint — the base product number DSC2044 identifies the series."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/microchip/DSC2044FL1-H0005","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/microchip/DSC2044FL1-H0005 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}}