{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"DSC1033DC1-045.0000T","brand":"Microchip Technology","brandSlug":"microchip","productSlug":"DSC1033DC1-045.0000T","canonicalUrl":"https://icboms.com/microchip/DSC1033DC1-045.0000T","factsUrl":"https://icboms.com/api/mcp/products/DSC1033DC1-045.0000T","rawCanonicalId":null},"summary":{"shortDescription":"Microchip Technology DSC1033DC1-045.0000T, PureSilicon™ MEMS XO (Standard), 45 MHz, CMOS output, ±50ppm stability, 3.3V supply, 4-SMD no-lead package, 0°C~70°C temperature range.","salesMarkdown":"## MEMS oscillator at 45 MHz with standby ## Temperature grade and frequency stability Housed in a 4-SMD, No Lead package measuring 2.50 mm x 2.00 mm with a seated height of 0.90 mm — the footprint is compatible with many standard quartz XO layouts of the same dimensions, easing second-sourcing. Surface-mount only — no through-hole variant. This is a current-design-in part suitable for new projects; no successor or replacement has been issued.","metaTitle":"DSC1033DC1-045.0000T MEMS XO 45 MHz CMOS ±50ppm Active","metaDescription":"DSC1033DC1-045.0000T from Microchip Technology: MEMS-based XO, 45 MHz, CMOS output, ±50ppm stability, 3.3V, 4-SMD no-lead, 0°C~70°C, Active.","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":"DSC1033, PureSilicon™","Package":"Tape & Reel (TR)","Ratings":"-","Function":"Standby (Power Down)","Frequency":"45 MHz","Mounting Type":"Surface Mount","Base Resonator":"MEMS","Package / Case":"4-SMD, No Lead","Product Status":"Active","lifecycle_stage":"eol_hot","Size / Dimension":"0.098\\\" L x 0.079\\\" W (2.50mm x 2.00mm)","Voltage - Supply":"3.3V","Base Product Number":"DSC1033","Frequency Stability":"±50ppm","Height - Seated (Max)":"0.035\\\" (0.90mm)","Operating Temperature":"0°C~70°C","Current - Supply (Max)":"4mA (Typ)","Absolute Pull Range (APR)":"-","Spread Spectrum Bandwidth":"-","Current - Supply (Disable) (Max)":"1µA"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/39044fcc9825a23a0d54b2590f18614f.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/DSC1033DC1-045.0000T/alternatives.json"},"ai":{"faq":[{"question":"Is DSC1033DC1-045.0000T compatible with a 2.5V supply?","answer":"No — the supply voltage is specified as 3.3V only. Operating at 2.5V is outside the datasheet operating range and the oscillator may not start or maintain frequency stability."},{"question":"What is the standby current of the DSC1033DC1 family?","answer":"When the Standby (Power Down) pin is asserted, supply current drops to 1 µA maximum — this is the current consumed by the internal power-down circuitry; the output is high-impedance."},{"question":"What is the closest pin-compatible alternative to DSC1033DC1-045.0000T?","answer":"Within the same DSC1033 family, any other frequency variant with the same package (4-SMD, 2.5x2.0mm), supply voltage (3.3V), and output type (CMOS) is pin-compatible. Outside the family, many standard quartz XOs in the same 2.5x2.0mm footprint share the pinout, but confirm the Standby function polarity — some parts use a different logic level for enable/disable."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/microchip/DSC1033DC1-045.0000T","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/microchip/DSC1033DC1-045.0000T 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}}