{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"DSC1221CI3-148M5000","brand":"Microchip Technology","brandSlug":"microchip","productSlug":"DSC1221CI3-148M5000","canonicalUrl":"https://icboms.com/microchip/DSC1221CI3-148M5000","factsUrl":"https://icboms.com/api/mcp/products/DSC1221CI3-148M5000","rawCanonicalId":null},"summary":{"shortDescription":"Microchip DSC12X1 series MEMS XO, 148.5 MHz CMOS output, ±20 ppm stability, AEC-Q100 qualified, 6-VDFN package","salesMarkdown":"## 148.5 MHz MEMS XO with AEC-Q100 grade The DSC1221CI3-148M5000 is a MEMS-based XO (Standard) in the DSC12X1 series, delivering a 148.5 MHz CMOS clock output with ±20 ppm frequency stability across -40°C to 85°C — wide enough for an engine-bay ECU or a dash-mounted display that sees temperature swings without a heater. AEC-Q100 qualification means the part passed the automotive-grade stress tests (temperature cycling, ESD, latch-up, and PPAP) — it is rated for the same reliability envelope as the engine-control module it may clock. ## Supply-range flexibility and disable function Operates from 2.5 V to 3.3 V without a separate rail regulator — the same oscillator can straddle a 3.3-V I/O bank and a 2.5-V core logic partition on a mixed-voltage board. The Enable/Disable pin pulls the output to high-impedance and drops supply current to 23 mA typ — useful for power-gating a clock tree during sleep modes without an external load-switch. Suitable for both new designs and ongoing production replenishment. Sourced through independent distribution; quoted to order against the BOM quantity.","metaTitle":"DSC1221CI3-148M5000 MEMS Oscillator","metaDescription":"Microchip DSC1221CI3-148M5000 MEMS XO, 148.5 MHz CMOS output, ±20 ppm stability, AEC-Q100 qualified, 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":"CMOS","Series":"DSC12X1","Package":"Tube","Ratings":"AEC-Q100","Function":"Enable/Disable","Frequency":"148.5 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":"2.5V ~ 3.3V","Frequency Stability":"±20ppm","Height - Seated (Max)":"0.035\\\" (0.90mm)","Operating Temperature":"-40°C ~ 85°C","Current - Supply (Max)":"27mA (Typ)","Absolute Pull Range (APR)":"-","Spread Spectrum Bandwidth":"-","Current - Supply (Disable) (Max)":"23mA (Typ)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/9c9562275ed01929df10cd035ac9614e.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Is DSC1221CI3-148M5000 AEC-Q100 qualified?","answer":"Yes — the DSC1221CI3-148M5000 carries an AEC-Q100 rating, making it suitable for automotive applications where the reliability stress and PPAP documentation are required."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/microchip/DSC1221CI3-148M5000","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/microchip/DSC1221CI3-148M5000 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}}