{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"DSC1122AI1-159.3750","brand":"Microchip Technology","brandSlug":"microchip","productSlug":"DSC1122AI1-159.3750","canonicalUrl":"https://icboms.com/microchip/DSC1122AI1-159.3750","factsUrl":"https://icboms.com/api/mcp/products/DSC1122AI1-159.3750","rawCanonicalId":null},"summary":{"shortDescription":"Microchip Technology DSC1122AI1-159.3750, XO (Standard) MEMS oscillator, 159.375 MHz LVPECL output, ±50 ppm stability, 2.25V–3.63V supply, -40°C to 85°C, 6-VDFN exposed pad.","salesMarkdown":"## 159.375 MHz LVPECL clock source for high-speed serial links The DSC1122AI1-159.3750 is a MEMS-based XO (Standard) oscillator delivering a 159.375 MHz LVPECL output — a frequency commonly used as a reference clock for 10 Gigabit Ethernet PHYs, FPGA transceivers, and SerDes blocks that require a low-jitter differential input. ## Supply voltage tolerance and temperature range Operating from 2.25 V to 3.63 V, the oscillator covers both 2.5 V and 3.3 V rails with headroom for rail droop — no separate regulator needed when the supply is within that window.","metaTitle":"DSC1122AI1-159.3750 MEMS XO 159.375 MHz LVPECL - Microchip","metaDescription":"Active MEMS oscillator, 159.375 MHz LVPECL output, ±50 ppm stability, 2.25V-3.63V supply, -40°C to 85°C.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Crystals & Oscillators"],"specifications":{"Mfr":"Microchip Technology","Type":"XO (Standard)","Output":"LVPECL","Series":"DSC1122","Package":"Tube","Ratings":"-","Function":"Enable/Disable","Frequency":"159.375 MHz","Mounting Type":"Surface Mount","Base Resonator":"MEMS","Package / Case":"6-VDFN 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 ~ 3.63V","Frequency Stability":"±50ppm","Height - Seated (Max)":"0.035\\\" (0.90mm)","Operating Temperature":"-40°C ~ 85°C","Current - Supply (Max)":"58mA","Absolute Pull Range (APR)":"-","Spread Spectrum Bandwidth":"-","Current - Supply (Disable) (Max)":"22mA"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/9eb455e34e1b4ad4aed847bfc84d48fa.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/DSC1122AI1-159.3750/alternatives.json"},"ai":{"faq":[{"question":"How can I order DSC1122AI1-159.3750 or check stock?","answer":"The part is Active and in production."},{"question":"What is the frequency stability of DSC1122AI1-159.3750?","answer":"Frequency stability is ±50 ppm over the full operating temperature range."},{"question":"What is the closest pin-compatible alternative to DSC1122AI1-159.3750?","answer":"Within the DSC1122 series, other frequency variants share the same package and pinout. For a different output type (e.g., LVDS or HCSL), the DSC1121 or DSC1123 series from Microchip may be functionally similar but verify the output logic family and supply range."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/microchip/DSC1122AI1-159.3750","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/microchip/DSC1122AI1-159.3750 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}}