{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"DSC1104CI2-027.0000T","brand":"Microchip Technology","brandSlug":"microchip","productSlug":"DSC1104CI2-027.0000T","canonicalUrl":"https://icboms.com/microchip/DSC1104CI2-027.0000T","factsUrl":"https://icboms.com/api/mcp/products/DSC1104CI2-027.0000T","rawCanonicalId":null},"summary":{"shortDescription":"Microchip Technology DSC1104 series, XO (Standard) MEMS oscillator, 27 MHz, HCSL output, ±25 ppm stability, 2.25V~3.6V supply, -40°C~85°C, 6-SMD no-lead package.","salesMarkdown":"## 27 MHz MEMS XO with HCSL output – BOM-fit note The DSC1104CI2-027.0000T: This is a Microchip DSC1104 series MEMS-based XO delivering a 27 MHz HCSL clock from a 2.25V to 3.6V rail. HCSL (High-Speed Current Steering Logic) is the standard reference for PCIe Gen1/2/3 and 1000BASE-T Ethernet PHYs – the 27 MHz fundamental feeds the PLL directly without a separate translation stage. Active supply draw is 42 mA max, typical for a 27 MHz HCSL output stage driving a 50-Ω terminated line.","metaTitle":"DSC1104CI2-027.0000T – Microchip MEMS XO, 27 MHz HCSL","metaDescription":"Active Microchip DSC1104 series MEMS XO, 27 MHz HCSL output, ±25 ppm stability, -40°C to 85°C. Sourced per RFQ – no obsolescence concerns.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Crystals & Oscillators"],"specifications":{"Mfr":"Microchip Technology","Type":"XO (Standard)","Output":"HCSL","Series":"DSC1104","Package":"Tape & Reel (TR)","Ratings":"-","Function":"Standby (Power Down)","Frequency":"27 MHz","Mounting Type":"Surface Mount","Base Resonator":"MEMS","Package / Case":"6-SMD, No Lead","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":"DSC1104","Frequency Stability":"±25ppm","Height - Seated (Max)":"0.035\\\" (0.90mm)","Operating Temperature":"-40°C~85°C","Current - Supply (Max)":"42mA","Absolute Pull Range (APR)":"-","Spread Spectrum Bandwidth":"-","Current - Supply (Disable) (Max)":"95µA"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$1.6650","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/11b93dcf3fe2344432ea2f214a7ea724.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/DSC1104CI2-027.0000T/alternatives.json"},"ai":{"faq":[{"question":"How does this MEMS XO compare to a 27 MHz quartz oscillator for the same BOM line?","answer":"The MEMS resonator eliminates quartz start-up time and is more resistant to vibration and shock. The ±25 ppm stability is comparable to a standard quartz XO, but the 2.25-3.6 V wide supply range gives it broader rail compatibility without a separate regulator."},{"question":"What is the output format and who uses HCSL?","answer":"HCSL (High-Speed Current Steering Logic) is a differential output standard commonly used for PCIe reference clocks and Ethernet PHYs. It delivers a 27 MHz fundamental that directly feeds the PLL without level translation, saving a buffer stage."},{"question":"What package does this oscillator come in?","answer":"6-SMD, No Lead, 3.20 mm x 2.50 mm footprint, seated height 0.90 mm max."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/microchip/DSC1104CI2-027.0000T","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/microchip/DSC1104CI2-027.0000T 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}}