{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"DSC1121CI2-066.6667","brand":"Microchip Technology","brandSlug":"microchip","productSlug":"DSC1121CI2-066.6667","canonicalUrl":"https://icboms.com/microchip/DSC1121CI2-066.6667","factsUrl":"https://icboms.com/api/mcp/products/DSC1121CI2-066.6667","rawCanonicalId":null},"summary":{"shortDescription":"Microchip Technology DSC1121CI2-066.6667, XO (Standard) MEMS oscillator, 66.6667 MHz CMOS output, ±25ppm stability, -40°C to 85°C, 6-SMD no-lead package, active production.","salesMarkdown":"The DSC1121CI2-066.6667 is a MEMS-based XO (Standard) oscillator from Microchip's DSC1121 series, delivering a 66.6667 MHz CMOS output with enable/disable function. ## Temperature grade and supply range Supply voltage spans 2.25V to 3.6V, so it runs off a 3.3V or 2.5V rail without a separate regulator. Housed in a 6-SMD no-lead package measuring 3.20mm x 2.50mm with a seated height of 0.90mm.","metaTitle":"DSC1121CI2-066.6667 MEMS Oscillator – Microchip, 66.6667 MHz","metaDescription":"Active production MEMS XO from Microchip. 66.6667 MHz, CMOS output, ±25ppm stability, -40°C to 85°C. 6-SMD 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)","Output":"CMOS","Series":"DSC1121","Package":"Tube","Ratings":"-","Function":"Enable/Disable","Frequency":"66.6667 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":"DSC1121","Frequency Stability":"±25ppm","Height - Seated (Max)":"0.035\\\" (0.90mm)","Operating Temperature":"-40°C~85°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/DSC1121CI2-066.6667/alternatives.json"},"ai":{"faq":[{"question":"Is the DSC1121CI2-066.6667 RoHS compliant?","answer":"The evidence does not list a RoHS compliance status. Confirm with the datasheet or your Microchip contact before assuming compliance for a restricted-materials BOM."},{"question":"Can I use the DSC1121CI2-066.6667 as a direct replacement for a quartz crystal oscillator?","answer":"Yes — it is a drop-in XO replacement. The MEMS resonator gives better shock and vibration tolerance than quartz, but the electrical interface (CMOS output, enable/disable, supply range) is the same. Verify the footprint matches your 6-SMD land pattern."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/microchip/DSC1121CI2-066.6667","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/microchip/DSC1121CI2-066.6667 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}}