{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"DSC1121BE5-144.0800","brand":"Microchip Technology","brandSlug":"microchip","productSlug":"DSC1121BE5-144.0800","canonicalUrl":"https://icboms.com/microchip/DSC1121BE5-144.0800","factsUrl":"https://icboms.com/api/mcp/products/DSC1121BE5-144.0800","rawCanonicalId":null},"summary":{"shortDescription":"Microchip Technology DSC1121BE5-144.0800, XO (Standard) MEMS oscillator, 144.08 MHz CMOS output, ±10 ppm stability, 2.25 V – 3.6 V supply, 6-VDFN package, active production.","salesMarkdown":"## 144.08 MHz MEMS XO — why the ±10 ppm and CMOS output matter The DSC1121BE5-144.0800 is a MEMS-based XO (Standard) that outputs a 144.08 MHz CMOS clock with ±10 ppm frequency stability — tighter than the ±25 ppm typical of a quartz oscillator at the same frequency, which buys you margin in Ethernet, SerDes, or RF reference clock jitter budgets. ## 6-VDFN package — board layout fit The 6-VDFN package measures 5.00 mm x 3.20 mm with a seated height of 0.90 mm — a low-profile surface-mount footprint that fits under shielding cans or on tight back-side PCB real estate.","metaTitle":"DSC1121BE5-144.0800 MEMS XO – 144.08 MHz CMOS, ±10 ppm","metaDescription":"Microchip DSC1121BE5-144.0800 MEMS oscillator: 144.08 MHz CMOS output, ±10 ppm stability, 2.25-3.6 V supply, 6-VDFN package. 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)","Output":"CMOS","Series":"DSC1121","Package":"Tube","Ratings":"-","Function":"Enable/Disable","Frequency":"144.08 MHz","Mounting Type":"Surface Mount","Base Resonator":"MEMS","Package / Case":"6-VDFN","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":"DSC1121","Frequency Stability":"±10ppm","Height - Seated (Max)":"0.035\\\" (0.90mm)","Operating Temperature":"-20°C~70°C","Current - Supply (Max)":"35mA","Absolute Pull Range (APR)":"-","Spread Spectrum Bandwidth":"-","Current - Supply (Disable) (Max)":"22mA"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/4ad75d2f22fe92055f4a953b00c76a2c.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/DSC1121BE5-144.0800/alternatives.json"},"ai":{"faq":[{"question":"How does the DSC1121BE5-144.0800 compare to a standard quartz oscillator at the same frequency?","answer":"The DSC1121BE5-144.0800 uses a MEMS resonator instead of a quartz crystal, which gives it ±10 ppm frequency stability — typically tighter than a ±25 ppm quartz oscillator. The output is CMOS, so it drives most digital clock inputs directly."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/microchip/DSC1121BE5-144.0800","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/microchip/DSC1121BE5-144.0800 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}}