{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"DSC1123BE1-266.6667T","brand":"Microchip Technology","brandSlug":"microchip","productSlug":"DSC1123BE1-266.6667T","canonicalUrl":"https://icboms.com/microchip/DSC1123BE1-266.6667T","factsUrl":"https://icboms.com/api/mcp/products/DSC1123BE1-266.6667T","rawCanonicalId":null},"summary":{"shortDescription":"Microchip DSC1123 series MEMS XO (Standard), output LVDS, frequency 266.6667 MHz, ±50 ppm stability, 2.25 V to 3.63 V supply, 6-VDFN package, -20°C to +70°C operating temperature.","salesMarkdown":"## 266.6667 MHz LVDS clock for high-speed serial links The DSC1123BE1-266.6667T is an LVDS-output MEMS oscillator at 266.6667 MHz, part of Microchip's DSC1123 family. The MEMS resonator gives it better shock tolerance and faster start-up than a quartz-based XO — relevant if the board sees vibration or needs the clock ready before the PLL locks. The Enable/Disable function pulls the output to high-impedance and drops supply current to 22 mA max when the clock is gated off. ## Active production — no LTB window to plan for Product status is Active per the latest lifecycle record. No last-time-buy or NRND notice has been issued — the part is still qualified for new designs and production builds. ## 6-VDFN package and board layout Housed in a 6-VDFN measuring 5.00 mm x 3.20 mm with a seated height of 0.90 mm. The surface-mount footprint is standard for MEMS oscillators in this frequency range — the exposed pad on the bottom side should be soldered to a ground-plane via array for thermal and electrical contact.","metaTitle":"DSC1123BE1-266.6667T MEMS XO 266.6667 MHz LVDS","metaDescription":"Active Microchip DSC1123 MEMS oscillator, 266.6667 MHz LVDS output, ±50 ppm stability, 2.25-3.63 V supply, -20 to +70 °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":"LVDS","Series":"DSC1123","Package":"Tape & Reel (TR)","Ratings":"-","Function":"Enable/Disable","Frequency":"266.6667 MHz","Mounting Type":"Surface Mount","Base Resonator":"MEMS","Package / Case":"6-VDFN","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 ~ 3.63V","Frequency Stability":"±50ppm","Height - Seated (Max)":"0.035\\\" (0.90mm)","Operating Temperature":"-20°C ~ 70°C","Current - Supply (Max)":"32mA","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/dd3c7b04df3893267134c59f6970d619.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What supply voltage does DSC1123BE1-266.6667T require?","answer":"The oscillator operates from 2.25 V to 3.63 V, covering 2.5 V and 3.3 V rails without an extra regulator."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/microchip/DSC1123BE1-266.6667T","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/microchip/DSC1123BE1-266.6667T 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}}