{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"DSC400-0202Q0106KI2T","brand":"Microchip Technology","brandSlug":"microchip","productSlug":"DSC400-0202Q0106KI2T","canonicalUrl":"https://icboms.com/microchip/DSC400-0202Q0106KI2T","factsUrl":"https://icboms.com/api/mcp/products/DSC400-0202Q0106KI2T","rawCanonicalId":null},"summary":{"shortDescription":"Microchip DSC400 series MEMS-based XO (Standard), dual LVPECL outputs at 153.6 MHz and 155.46875 MHz, ±25 ppm stability, 2.25 V to 3.6 V supply, -40 to 85 °C, 20-VFQFN exposed-pad package, Tape & Reel.","salesMarkdown":"## Dual LVPECL clock source for 1G/10G Ethernet and CPRI The DSC400-0202Q0106KI2T is a MEMS-based XO that delivers two independent LVPECL clock outputs at 153.6 MHz and 155.46875 MHz — frequencies commonly used as the reference for 1G/10G Ethernet PHYs and CPRI SerDes lanes. ## Supply flexibility and output termination The wide 2.25 V to 3.6 V supply rail means the oscillator runs directly from a 2.5 V or 3.3 V rail without an intermediate LDO. LVPECL outputs require DC termination — typically 50 Ω to Vcc - 2 V — so the board must include the resistor network or AC-coupling caps before the receiver. Microchip lists the DSC400-0202Q0106KI2T as Active. ## 20-VFQFN exposed-pad layout notes The 5.00 mm x 3.20 mm, 20-lead VFQFN package has an exposed pad on the bottom.","metaTitle":"DSC400-0202Q0106KI2T MEMS XO – Dual LVPECL","metaDescription":"Microchip DSC400-0202Q0106KI2T: MEMS-based XO, dual LVPECL outputs at 153.6 MHz & 155.46875 MHz, ±25 ppm, -40 to 85 °C, 20-VFQFN.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Crystals & Oscillators"],"specifications":{"Mfr":"Microchip Technology","Type":"XO (Standard)","Height":"0.035\\\" (0.90mm)","Output":"LVPECL","Series":"DSC400","Package":"Tape & Reel (TR)","Function":"Enable/Disable","Base Resonator":"MEMS","Package / Case":"20-VFQFN Exposed Pad","Product Status":"Active","lifecycle_stage":"eol_hot","Size / Dimension":"0.197\\\" L x 0.126\\\" W (5.00mm x 3.20mm)","Voltage - Supply":"2.25V ~ 3.6V","Base Product Number":"DSC400","Frequency Stability":"±25ppm","Frequency - Output 1":"153.6MHz","Frequency - Output 2":"155.46875MHz","Frequency - Output 3":"-","Frequency - Output 4":"-","Operating Temperature":"-40°C~85°C","Current - Supply (Max)":"-"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/53bec600993e140a8d5846badec97a0b.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Can the DSC400-0202Q0106KI2T replace the DSC400-0202Q0106KI1T?","answer":"Both are DSC400-series MEMS XOs with the same package and supply range, but the output frequencies differ — the KI2T variant outputs 153.6 MHz and 155.46875 MHz, while the KI1T variant uses a different frequency pair. The pinout and footprint are identical, so a board spin is not needed, but the downstream PLL or SerDes must accept the new frequencies."},{"question":"Is the DSC400-0202Q0106KI2T compatible with a 2.5 V supply?","answer":"Yes. The supply range is 2.25 V to 3.6 V, so a 2.5 V rail sits well within the operating window. The LVPECL output swing scales with the supply voltage — at 2.5 V the differential swing is approximately 800 mV, which still meets the input threshold of most LVPECL receivers."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/microchip/DSC400-0202Q0106KI2T","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/microchip/DSC400-0202Q0106KI2T 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}}