{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"DSC1121AI2-020.0000T","brand":"Microchip Technology","brandSlug":"microchip","productSlug":"DSC1121AI2-020.0000T","canonicalUrl":"https://icboms.com/microchip/DSC1121AI2-020.0000T","factsUrl":"https://icboms.com/api/mcp/products/DSC1121AI2-020.0000T","rawCanonicalId":null},"summary":{"shortDescription":"Microchip DSC1121 series MEMS XO (Standard), 20 MHz CMOS output, ±25 ppm stability, 6-SMD No Lead Exposed Pad package, -40°C to 85°C operation.","salesMarkdown":"## MEMS resonator replaces quartz — what that means for your board This DSC1121AI2-020.0000T is a standard XO (oscillator) built around a MEMS resonator rather than a quartz crystal — the base resonator type is MEMS. That gives it better shock and vibration immunity than a quartz-based can, and the frequency is set at the factory, so there is no load-cap tuning on your board. The supply voltage spans 2.25V to 3.6V — it sits comfortably on a 3.3V or 2.5V rail and tolerates the ripple from a nearby buck converter. Frequency stability is ±25 ppm across the full temperature and voltage range. For a 20 MHz clock, that is ±500 Hz of drift — tight enough for a UART baud-rate generator or a basic MCU clock, but not rated for a precision Ethernet PHY reference. Product status is Active per Microchip. That means you can design it in today without planning a last-time-buy or a board spin for a successor.","metaTitle":"DSC1121AI2-020.0000T MEMS XO 20 MHz CMOS - Microchip Active","metaDescription":"Microchip DSC1121AI2-020.0000T: Active MEMS XO, 20 MHz CMOS output, ±25 ppm stability, -40°C to 85°C, 2.25V-3.6V supply. 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":"Tape & Reel (TR)","Ratings":"-","Function":"Enable/Disable","Frequency":"20 MHz","Mounting Type":"Surface Mount","Base Resonator":"MEMS","Package / Case":"6-SMD, No Lead Exposed Pad","Product Status":"Active","lifecycle_stage":"eol_hot","Size / Dimension":"0.276\\\" L x 0.197\\\" W (7.00mm x 5.00mm)","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":"$1.0800","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/4ad75d2f22fe92055f4a953b00c76a2c.pdf","sourceUrl":null},"ai":{"faq":[{"question":"How can I order DSC1121AI2-020.0000T or get a price?","answer":"Submit an RFQ through the storefront and we will respond with a firm quote and lead time."},{"question":"What is the output type and package of DSC1121AI2-020.0000T?","answer":"The output is CMOS, single-ended, which drives most digital logic inputs directly. The package is a 6-SMD with no lead and an exposed pad (7.00 mm x 5.00 mm footprint, 0.90 mm seated height). The exposed pad should be soldered to a ground plane for thermal relief."},{"question":"Is DSC1121AI2-020.0000T pin-compatible with quartz-based oscillators in the same footprint?","answer":"The 6-SMD, 7.00 mm x 5.00 mm footprint is a standard industry size shared by many quartz and MEMS oscillators. However, the Enable/Disable function (pin 1) and the supply voltage range (2.25V–3.6V) must match your board's logic — verify the function table in the datasheet before substituting a different part number."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/microchip/DSC1121AI2-020.0000T","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/microchip/DSC1121AI2-020.0000T 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}}