{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"DSC1121CI1-033.3333T","brand":"Microchip Technology","brandSlug":"microchip","productSlug":"DSC1121CI1-033.3333T","canonicalUrl":"https://icboms.com/microchip/DSC1121CI1-033.3333T","factsUrl":"https://icboms.com/api/mcp/products/DSC1121CI1-033.3333T","rawCanonicalId":null},"summary":{"shortDescription":"Microchip Technology DSC1121CI1-033.3333T, XO (Standard) MEMS oscillator, 33.3333 MHz CMOS output, ±50ppm stability, -40°C to 85°C, 6-VDFN surface-mount, tape & reel.","salesMarkdown":"## 33.3333 MHz MEMS XO – why this part exists The DSC1121 family delivers a fixed 33.3333 MHz CMOS clock with enable/disable control, all in a 6-VDFN package measuring 3.20 mm x 2.50 mm. Supply voltage spans 2.25 V to 3.6 V, covering both 2.5 V and 3.3 V logic rails without a level translator. Maximum supply current is 22 mA when enabled; the disable function drops draw to 35 µA typical. The wide input range means the same BOM line can serve mixed-voltage designs — a 2.5 V FPGA bank and a 3.3 V microcontroller share the same oscillator P/N. ## Temperature grade and frequency stability The industrial temperature range covers outdoor telecom, factory-floor controllers, and engine-bay electronics that see ambient swings beyond commercial-grade parts. ±50 ppm total stability includes temperature, supply, and aging effects — a 33.3333 MHz clock stays within ±1.67 kHz of nominal across the full envelope. For a UART baud clock or MCU core clock, this is tight enough to avoid bit-slip over a standard industrial temperature swing. Sourced through independent distribution per RFQ.","metaTitle":"DSC1121CI1-033.3333T – Microchip MEMS XO, 33.3333 MHz, CMOS","metaDescription":"Microchip DSC1121CI1-033.3333T MEMS oscillator: 33.3333 MHz, CMOS output, ±50ppm stability, -40°C to 85°C, 6-VDFN. Active production, sourced per RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Crystals & Oscillators"],"specifications":{"Mfr":"Microchip Technology","Type":"XO (Standard)","Output":"CMOS","Series":"DSC1121","Package":"Tape & Reel (TR)","Ratings":"-","Function":"Enable/Disable","Frequency":"33.3333 MHz","Mounting Type":"Surface Mount","Base Resonator":"MEMS","Package / Case":"6-VDFN","Product Status":"Active","lifecycle_stage":"eol_hot","Size / Dimension":"0.126\\\" L x 0.098\\\" W (3.20mm x 2.50mm)","Voltage - Supply":"2.25V ~ 3.6V","Frequency Stability":"±50ppm","Height - Seated (Max)":"0.035\\\" (0.90mm)","Operating Temperature":"-40°C~85°C","Current - Supply (Max)":"22mA","Absolute Pull Range (APR)":"-","Spread Spectrum Bandwidth":"-","Current - Supply (Disable) (Max)":"35mA"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":null},"ai":{"faq":[{"question":"How can I order the DSC1121CI1-033.3333T or check availability?","answer":"Submit an RFQ with your target quantity; we confirm current pricing and availability at quote time. No stock-holding claim — every order is quoted to order."},{"question":"Can the DSC1121CI1-033.3333T run from a 2.5 V supply?","answer":"Yes. The supply range is 2.25 V to 3.6 V, so both 2.5 V and 3.3 V rails work without a regulator. The oscillator's CMOS output swings rail-to-rail at the chosen supply voltage."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/microchip/DSC1121CI1-033.3333T","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/microchip/DSC1121CI1-033.3333T 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}}