{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"DSC400-0404Q0058KE2T","brand":"Microchip Technology","brandSlug":"microchip","productSlug":"DSC400-0404Q0058KE2T","canonicalUrl":"https://icboms.com/microchip/DSC400-0404Q0058KE2T","factsUrl":"https://icboms.com/api/mcp/products/DSC400-0404Q0058KE2T","rawCanonicalId":null},"summary":{"shortDescription":"Microchip DSC400 series MEMS-based XO (Standard), dual 100 MHz HCSL outputs, ±25 ppm frequency stability, 2.25 V to 3.6 V supply, 20-VFQFN exposed-pad package.","salesMarkdown":"## MEMS resonator with HCSL drive for 100 MHz clock trees HCSL (High-Speed Current Steering Logic) is the common reference format for PCIe, SATA, and Ethernet PHY clocking — the differential swing and common-mode voltage match the input requirements of those SerDes PLLs without external level shifting. For a 100 MHz reference, ±25 ppm translates to a ±2.5 kHz absolute frequency error at the PLL input — well within the capture range of a standard PCIe Gen 3 clock recovery loop. ## Supply voltage flexibility and enable/disable function The supply range spans 2.25 V to 3.6 V, covering both 2.5 V and 3.3 V rails without an intermediate regulator. ## Package footprint and board-level considerations Housed in a 20-VFQFN with exposed pad, 5.00 mm × 3.20 mm body, 0.90 mm height. The 0.50 mm pitch QFN pads require a solder-mask-defined pad on the PCB; NSMD (non-solder-mask-defined) pads risk solder bridging during reflow. ## Lifecycle status and supply posture Product status is Active per Microchip's current lifecycle designation. The DSC400 series is an established MEMS oscillator family with multiple output configurations — the 0404Q0058KE2T variant is a standard catalogue order code, not a custom trim.","metaTitle":"DSC400-0404Q0058KE2T MEMS XO – 100 MHz HCSL, ±25 ppm, Active","metaDescription":"Microchip DSC400-0404Q0058KE2T MEMS XO, dual 100 MHz HCSL outputs, ±25 ppm stability, -20°C to 70°C, 20-VFQFN. Active production.","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":"Tape & Reel (TR)","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":"-","Frequency - Output 3":"100MHz","Frequency - Output 4":"-","Operating Temperature":"-20°C~70°C","Current - Supply (Max)":"-"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/b1fa89bbb593bb9f15bbf883a84023ea.pdf","sourceUrl":null},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/microchip/DSC400-0404Q0058KE2T","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/microchip/DSC400-0404Q0058KE2T 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}}