{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"DSC1123AI5-133.3300T","brand":"Microchip Technology","brandSlug":"microchip","productSlug":"DSC1123AI5-133.3300T","canonicalUrl":"https://icboms.com/microchip/DSC1123AI5-133.3300T","factsUrl":"https://icboms.com/api/mcp/products/DSC1123AI5-133.3300T","rawCanonicalId":null},"summary":{"shortDescription":"Microchip DSC1123 series, XO (Standard), LVDS output, 133.33 MHz, MEMS base resonator, ±10ppm stability, AEC-Q100, -40°C to 85°C","salesMarkdown":"## MEMS timing for the engine bay The DSC1123AI5-133.3300T is a MEMS-based XO that delivers a 133.33 MHz LVDS clock with ±10ppm frequency stability across -40°C to 85°C. That stability is held without a quartz crystal — the MEMS resonator is immune to the vibration and shock that can pull a quartz fundamental off frequency in an automotive environment. ## Supply tolerance and enable discipline The 2.25V to 3.63V supply range covers 2.5V and 3.3V rails with margin — no extra LDO needed if the rail droops under load. The 6-SMD no-lead exposed-pad package (7.00mm x 5.00mm, 0.90mm seated height) is a standard footprint for 7×5 oscillators. The DSC1123 series is Microchip's current MEMS oscillator family — no direct pin-compatible second source from another manufacturer is listed. For BOM planning, this is a single-source item; order against an RFQ for quantity and lead-time confirmation.","metaTitle":"DSC1123AI5-133.3300T MEMS LVDS Oscillator","metaDescription":"Microchip DSC1123AI5-133.3300T: MEMS-based XO, LVDS output, 133.33 MHz, ±10ppm stability, AEC-Q100, -40°C to 85°C. Active production.","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","Ratings":"AEC-Q100","Function":"Enable/Disable","Frequency":"133.33 MHz","Packaging":"Tape & Reel (TR)","Part Status":"Active","Mounting Type":"Surface Mount","Base Resonator":"MEMS","Package / Case":"6-SMD, No Lead Exposed Pad","lifecycle_stage":"eol_hot","Size / Dimension":"0.276\\\" L x 0.197\\\" W (7.00mm x 5.00mm)","Voltage - Supply":"2.25V ~ 3.63V","Base Product Number":"DSC1123","Frequency Stability":"±10ppm","Height - Seated (Max)":"0.035\\\" (0.90mm)","Operating Temperature":"-40°C ~ 85°C","Current - Supply (Max)":"32mA","Absolute Pull Range (APR)":"-","Spread Spectrum Bandwidth":"-","Current - Supply (Disable) (Max)":"22mA"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$14.3000","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/6e9668674559d21c5296e63396e2a6a9.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Does DSC1123AI5-133.3300T require external pull-up resistors on the LVDS output?","answer":"No. The LVDS output is a current-mode differential pair that does not need external pull-up or pull-down resistors. The receiver termination (100Ω across the pair) is the only external component required."},{"question":"How does this MEMS oscillator compare in phase noise to a traditional quartz XO at 133.33 MHz?","answer":"MEMS oscillators typically have higher phase noise close to carrier (<10 kHz offset) than a good quartz SAW oscillator, but the gap narrows at offsets above 100 kHz. For digital clocking (FPGA, SerDes, Ethernet PHY) where the jitter integration bandwidth is 12 kHz–20 MHz, the MEMS part is often within spec. For RF synthesizer reference or ADC clocking where sub-100 fs rms jitter is required, a quartz VCXO or OCXO is still preferred."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/microchip/DSC1123AI5-133.3300T","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/microchip/DSC1123AI5-133.3300T 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}}