{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"DSC1221DI1-21M11840T","brand":"Microchip Technology","brandSlug":"microchip","productSlug":"DSC1221DI1-21M11840T","canonicalUrl":"https://icboms.com/microchip/DSC1221DI1-21M11840T","factsUrl":"https://icboms.com/api/mcp/products/DSC1221DI1-21M11840T","rawCanonicalId":null},"summary":{"shortDescription":"Microchip Technology DSC12X1 series, XO (Standard) MEMS oscillator, 21.1184 MHz, CMOS output, 2.5V-3.3V supply, ±50 ppm stability, AEC-Q100 qualified, -40°C to +85°C, 6-VDFN package","salesMarkdown":"## MEMS timing for automotive duty ## Supply and stability margins Operating from 2.5 V to 3.3 V with ±50 ppm frequency stability, this oscillator maintains timing accuracy across the full voltage and temperature range — eliminating the need for a separate LDO to supply a cleaner rail. The 27 mA typical supply current is consistent with a standard CMOS output buffer driving a moderate capacitive load. Housed in a 6-VDFN package measuring 2.50 mm x 2.00 mm with a seated height of 0.90 mm, the DSC1221DI1-21M11840T fits into space-constrained designs such as automotive camera modules or compact telematics control units.","metaTitle":"DSC1221DI1-21M11840T MEMS Oscillator – AEC-Q100, 21.1184 MHz","metaDescription":"Microchip DSC1221DI1-21M11840T XO (Standard) MEMS oscillator, 21.1184 MHz CMOS output, AEC-Q100 qualified, -40°C to +85°C, 2.5V-3.3V supply, 6-VDFN package.","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":"DSC12X1","Package":"Tape & Reel (TR)","Ratings":"AEC-Q100","Function":"Enable/Disable","Frequency":"21.1184 MHz","Mounting Type":"Surface Mount","Base Resonator":"MEMS","Package / Case":"6-VDFN","Product Status":"Active","lifecycle_stage":"eol_hot","Size / Dimension":"0.098\\\" L x 0.079\\\" W (2.50mm x 2.00mm)","Voltage - Supply":"2.5V ~ 3.3V","Frequency Stability":"±50ppm","Height - Seated (Max)":"0.035\\\" (0.90mm)","Operating Temperature":"-40°C~85°C","Current - Supply (Max)":"27mA (Typ)","Absolute Pull Range (APR)":"-","Spread Spectrum Bandwidth":"-","Current - Supply (Disable) (Max)":"23mA (Typ)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/DSC1221DI1-21M11840T/alternatives.json"},"ai":{"faq":[{"question":"Is DSC1221DI1-21M11840T AEC-Q100 qualified for automotive applications?","answer":"This qualification includes the reliability stress and PPAP documentation required for production vehicle programs."},{"question":"Can DSC1221DI1-21M11840T replace a quartz oscillator in an existing design?","answer":"The MEMS resonator provides better shock and vibration tolerance than quartz, making it a drop-in replacement for a 21.1184 MHz CMOS XO in the same 6-VDFN package and supply range. Confirm that the enable/disable logic polarity and output drive strength match the original quartz part's datasheet; the ±50 ppm stability is generally tighter than basic ±100 ppm quartz oscillators, which may improve timing margin in serial interfaces like CAN-FD or 100BASE-T1."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/microchip/DSC1221DI1-21M11840T","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/microchip/DSC1221DI1-21M11840T 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}}