{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"DSC1121AE2-004.9152","brand":"Microchip Technology","brandSlug":"microchip","productSlug":"DSC1121AE2-004.9152","canonicalUrl":"https://icboms.com/microchip/DSC1121AE2-004.9152","factsUrl":"https://icboms.com/api/mcp/products/DSC1121AE2-004.9152","rawCanonicalId":null},"summary":{"shortDescription":"Microchip DSC1121AE2-004.9152, DSC1121 series, XO (Standard) MEMS oscillator, 4.9152 MHz CMOS output, ±25 ppm APR, -20°C to +70°C, 6-VDFN exposed pad, active production.","salesMarkdown":"## 4.9152 MHz MEMS oscillator with CMOS output The DSC1121AE2-004.9152 is a fixed-frequency XO (Standard) from Microchip's DSC1121 series, built on a MEMS resonator rather than a quartz crystal. It outputs a 4.9152 MHz CMOS clock — a common baud-rate base for UART, RS-232, and basic MCU timing. The MEMS construction gives it better resistance to shock and vibration compared to quartz, and typically shorter factory lead times — a practical advantage for production scheduling. ## Supply range and enable/disable function The enable/disable pin lets the system gate the clock — useful for power-sensitive designs that idle the oscillator between active periods. Maximum supply current is 35 mA when enabled; disabling the output drops the draw to 22 mA max — not a deep-sleep figure, but a meaningful reduction for a peripheral clock. ## Temperature grade and package fit Rated for -20°C to +70°C, this is a commercial-temperature device suited to indoor equipment, office automation, and consumer electronics. It is not qualified for outdoor, automotive, or industrial extended-temperature environments. Housed in a 6-VDFN with exposed pad, 7.00 mm x 5.00 mm footprint, 0.90 mm seated height. ## Active production — no lifecycle risk Listed as Active by Microchip. This part is suitable for both new designs and ongoing volume production without supply-chain contingency planning.","metaTitle":"DSC1121AE2-004.9152 MEMS XO 4.9152 MHz CMOS ±25 ppm Active","metaDescription":"Microchip DSC1121AE2-004.9152: MEMS-based XO, 4.9152 MHz CMOS output, ±25 ppm APR, -20°C to +70°C, 6-VDFN. Active production. Request quote.","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":"Tube","Ratings":"-","Function":"Enable/Disable","Frequency":"4.9152 MHz","Mounting Type":"Surface Mount","Base Resonator":"MEMS","Package / Case":"6-VDFN Exposed Pad","Product Status":"Active","lifecycle_stage":"eol_hot","Size / Dimension":"0.276\\\" L x 0.197\\\" W (7.00mm x 5.00mm)","Voltage - Supply":"2.25V ~ 3.6V","Base Product Number":"DSC1121","Frequency Stability":"-","Height - Seated (Max)":"0.035\\\" (0.90mm)","Operating Temperature":"-20°C~70°C","Current - Supply (Max)":"35mA","Absolute Pull Range (APR)":"±25ppm","Spread Spectrum Bandwidth":"-","Current - Supply (Disable) (Max)":"22mA"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/4ad75d2f22fe92055f4a953b00c76a2c.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Does the DSC1121AE2-004.9152 have an enable/disable function?","answer":"Yes. The function is Enable/Disable. When disabled, the maximum supply current drops from 35 mA to 22 mA."},{"question":"What is the frequency stability of the DSC1121AE2-004.9152?","answer":"The absolute pull range (APR) is ±25 ppm. This is adequate for UART and general-purpose MCU clocks but not for precision timekeeping or RF carrier generation without external calibration."},{"question":"Is the DSC1121AE2-004.9152 a direct replacement for other 4.9152 MHz oscillators?","answer":"It is a MEMS-based XO with CMOS output and enable/disable function. Pin compatibility depends on the footprint (6-VDFN exposed pad) and supply voltage range (2.25 V to 3.6 V). Confirm the pad layout and enable pin polarity against your existing oscillator before substituting."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/microchip/DSC1121AE2-004.9152","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/microchip/DSC1121AE2-004.9152 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}}