{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"DSC1121CI2-045.0000","brand":"Microchip Technology","brandSlug":"microchip","productSlug":"DSC1121CI2-045.0000","canonicalUrl":"https://icboms.com/microchip/DSC1121CI2-045.0000","factsUrl":"https://icboms.com/api/mcp/products/DSC1121CI2-045.0000","rawCanonicalId":null},"summary":{"shortDescription":"Microchip Technology DSC1121CI2-045.0000, XO (Standard), MEMS resonator, 45 MHz CMOS output, ±25 ppm stability, 2.25V–3.6V supply, -40°C to 85°C, 6-VDFN package","salesMarkdown":"## MEMS-based XO replaces quartz in the same footprint The DSC1121CI2-045.0000 is a standard XO (XO (Standard)) built around a MEMS resonator rather than a quartz crystal, outputting a 45 MHz CMOS clock (Output: CMOS) from a 6-VDFN package (Package / Case: 6-VDFN) measuring 3.20mm x 2.50mm (Size / Dimension: 0.126\" L x 0.098\" W (3.20mm x 2.50mm)). ## Supply voltage flexibility and frequency stability The supply voltage range of 2.25V to 3.6V (Voltage - Supply: 2.25V ~ 3.6V) covers both 2.5V and 3.3V logic rails — the same BOM position works across a 3.3V FPGA bank and a 2.5V SoC without a secondary regulator or level translator. Frequency stability is ±25 ppm (Frequency Stability: ±25ppm) over the full temperature and voltage range, which is typical for a general-purpose oscillator driving a microcontroller or Ethernet PHY — for precision timing (e.g., IEEE 1588) a tighter ±10 ppm or ±20 ppm part would be specified. Confirm current availability and pricing at RFQ.","metaTitle":"DSC1121CI2-045.0000 MEMS XO, 45 MHz, CMOS, ±25 ppm","metaDescription":"DSC1121CI2-045.0000 from Microchip Technology: MEMS-based XO (Standard), 45 MHz CMOS output, ±25 ppm stability, 2.25V–3.6V supply, -40°C to 85°C, 6-VDFN","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":"45 MHz","Mounting Type":"Surface Mount","Base Resonator":"MEMS","Package / Case":"6-VDFN","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","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,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/4ad75d2f22fe92055f4a953b00c76a2c.pdf","sourceUrl":null},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/microchip/DSC1121CI2-045.0000","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/microchip/DSC1121CI2-045.0000 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}}