{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"DSC6121CI2A-00ET","brand":"Microchip Technology","brandSlug":"microchip","productSlug":"DSC6121CI2A-00ET","canonicalUrl":"https://icboms.com/microchip/DSC6121CI2A-00ET","factsUrl":"https://icboms.com/api/mcp/products/DSC6121CI2A-00ET","rawCanonicalId":null},"summary":{"shortDescription":"Microchip Technology DSC61XX series XO (Standard) MEMS oscillator, DSC6121CI2A-00ET, 75MHz & 100MHz CMOS outputs, 1.71V~3.63V supply, ±25ppm stability, -40°C~85°C, 4-VDFN package.","salesMarkdown":"## Dual-frequency MEMS XO — 75 MHz and 100 MHz on one die The DSC6121CI2A-00ET: The dual-output architecture lets a single oscillator clock two different rails on the same board — a 75 MHz Ethernet MAC and a 100 MHz processor core, for example — without a second can or a PLL multiplying up from a single reference. ## Supply and stability — wide voltage, tight ppm Typical supply current is 3 mA — low enough that the oscillator's contribution to the board thermal budget is negligible, even in a dense multi-rail design. ## Lifecycle — obsolete, no direct successor A board spin to a current DSC61XX variant or a different MEMS oscillator family may be the longer-term path.","metaTitle":"Microchip DSC6121CI2A-00ET MEMS XO, 75MHz & 100MHz, ±25ppm","metaDescription":"Microchip DSC6121CI2A-00ET MEMS XO, 75MHz & 100MHz CMOS outputs, ±25ppm stability, -40°C~85°C, 4-VDFN. Obsolete — sourced to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Crystals & Oscillators"],"specifications":{"Mfr":"Microchip Technology","Type":"XO (Standard)","Height":"0.035\\\" (0.89mm)","Output":"CMOS","Series":"DSC61XX","Package":"Tube","Function":"-","Base Resonator":"MEMS","Package / Case":"4-VDFN","Product Status":"Obsolete","lifecycle_stage":"eol_hot","Size / Dimension":"0.126\\\" L x 0.098\\\" W (3.20mm x 2.50mm)","Voltage - Supply":"1.71V ~ 3.63V","Frequency Stability":"±25ppm","Frequency - Output 1":"75MHz, 100MHz","Frequency - Output 2":"-","Frequency - Output 3":"-","Frequency - Output 4":"-","Operating Temperature":"-40°C~85°C","Current - Supply (Max)":"3mA (Typ)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/435467442941d78fd5e88037cd27d29c.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/DSC6121CI2A-00ET/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy the DSC6121CI2A-00ET or check availability?","answer":"The DSC6121CI2A-00ET is obsolete per Microchip. Submit a request for your target quantity."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/microchip/DSC6121CI2A-00ET","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/microchip/DSC6121CI2A-00ET when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-19T21:31:04.961Z","lastPublished":"2026-07-19T21:31:04.961Z","indexable":true}}