{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"DSC1001CI2-019.4400T","brand":"Microchip Technology","brandSlug":"microchip","productSlug":"DSC1001CI2-019.4400T","canonicalUrl":"https://icboms.com/microchip/DSC1001CI2-019.4400T","factsUrl":"https://icboms.com/api/mcp/products/DSC1001CI2-019.4400T","rawCanonicalId":null},"summary":{"shortDescription":"Microchip DSC1001CI2-019.4400T, MEMS-based XO (Standard), 19.44 MHz, CMOS output, ±25 ppm stability, 1.8V–3.3V supply, -40°C to 85°C, AEC-Q100 qualified.","salesMarkdown":"## What this MEMS oscillator brings to the board The DSC1001CI2-019.4400T: Its 1.8V to 3.3V supply range means it can run directly from a 1.8V core rail or a 3.3V I/O rail without an external regulator — a single BOM line covers multiple voltage domains. ## Automotive-grade timing for harsh environments","metaTitle":"DSC1001CI2-019.4400T MEMS Oscillator – 19.44 MHz, AEC-Q100","metaDescription":"Microchip DSC1001CI2-019.4400T: 19.44 MHz MEMS XO, CMOS output, ±25 ppm stability, 1.8V-3.3V supply, AEC-Q100, -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":"CMOS","Series":"DSC1001","Package":"Tape & Reel (TR)","Ratings":"AEC-Q100","Function":"Standby (Power Down)","Frequency":"19.44 MHz","Mounting Type":"Surface Mount","Base Resonator":"MEMS","Package / Case":"4-SMD, No Lead","Product Status":"Active","lifecycle_stage":"eol_hot","Size / Dimension":"0.126\\\" L x 0.098\\\" W (3.20mm x 2.50mm)","Voltage - Supply":"1.8V ~ 3.3V","Base Product Number":"DSC1001","Frequency Stability":"±25ppm","Height - Seated (Max)":"0.035\\\" (0.90mm)","Operating Temperature":"-40°C~85°C","Current - Supply (Max)":"6.3mA","Absolute Pull Range (APR)":"-","Spread Spectrum Bandwidth":"-","Current - Supply (Disable) (Max)":"15µA"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/6e16d8c0e20d671fdec1bc4732fc9156.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/DSC1001CI2-019.4400T/alternatives.json"},"ai":{"faq":[{"question":"Is DSC1001CI2-019.4400T AEC-Q100 qualified?","answer":"Yes, it carries AEC-Q100 qualification, making it suitable for automotive applications that require the extended reliability and temperature cycling of that standard."},{"question":"Can DSC1001CI2-019.4400T replace a quartz oscillator?","answer":"Yes, it is a drop-in replacement for a standard 19.44 MHz quartz XO with CMOS output, same 4-SMD package footprint. The MEMS construction offers better shock and vibration tolerance than quartz, and the ±25 ppm stability meets typical quartz specs."},{"question":"What is the standby current of DSC1001CI2-019.4400T?","answer":"When the standby (power-down) function is active, the maximum supply current is 15 µA."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/microchip/DSC1001CI2-019.4400T","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/microchip/DSC1001CI2-019.4400T 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}}