{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"DSC1121BI2-156.2540T","brand":"Microchip Technology","brandSlug":"microchip","productSlug":"DSC1121BI2-156.2540T","canonicalUrl":"https://icboms.com/microchip/DSC1121BI2-156.2540T","factsUrl":"https://icboms.com/api/mcp/products/DSC1121BI2-156.2540T","rawCanonicalId":null},"summary":{"shortDescription":"Microchip DSC1121 series MEMS XO, 156.254 MHz CMOS output, ±25 ppm stability, 2.25V–3.6V supply, AEC-Q100 qualified, 6-SMD package.","salesMarkdown":"The 2.25V to 3.6V supply range lets it run directly from a 2.5V or 3.3V rail without an external LDO, simplifying the power tree in mixed-voltage designs. ## Enable/Disable pin and power savings Housed in a 6-SMD, no-lead package measuring 5.00 mm x 3.20 mm with a seated height of 0.90 mm, the footprint matches industry-standard 5.0 x 3.2 mm oscillator pads — no layout change needed if replacing a quartz oscillator in the same form factor.","metaTitle":"DSC1121BI2-156.2540T MEMS Oscillator","metaDescription":"Active MEMS XO, 156.254 MHz CMOS output, AEC-Q100 qualified, -40°C to 85°C. Enable/disable function. Quoted to order. Request 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":"AEC-Q100","Function":"Enable/Disable","Frequency":"156.254 MHz","Mounting Type":"Surface Mount","Base Resonator":"MEMS","Package / Case":"6-SMD, No Lead","Product Status":"Active","lifecycle_stage":"eol_hot","Size / Dimension":"0.197\\\" L x 0.126\\\" W (5.00mm x 3.20mm)","Voltage - Supply":"2.25V ~ 3.6V","Base Product Number":"DSC1121","Frequency Stability":"±25ppm","Height - Seated (Max)":"0.035\\\" (0.90mm)","Operating Temperature":"-40°C~85°C","Current - Supply (Max)":"35mA","Absolute Pull Range (APR)":"-","Spread Spectrum Bandwidth":"-","Current - Supply (Disable) (Max)":"22mA"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/4ad75d2f22fe92055f4a953b00c76a2c.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/DSC1121BI2-156.2540T/alternatives.json"},"ai":{"faq":[{"question":"Is DSC1121BI2-156.2540T AEC-Q100 qualified?","answer":"Yes, it carries AEC-Q100 rating, qualifying it for automotive applications including under-hood and chassis domains."},{"question":"Does DSC1121BI2-156.2540T have an enable/disable function?","answer":"Yes, the Enable/Disable function allows the output to be gated, reducing supply current from 35 mA to 22 mA when disabled."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/microchip/DSC1121BI2-156.2540T","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/microchip/DSC1121BI2-156.2540T 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}}