{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"DSC1121DE5-072.0000T","brand":"Microchip Technology","brandSlug":"microchip","productSlug":"DSC1121DE5-072.0000T","canonicalUrl":"https://icboms.com/microchip/DSC1121DE5-072.0000T","factsUrl":"https://icboms.com/api/mcp/products/DSC1121DE5-072.0000T","rawCanonicalId":null},"summary":{"shortDescription":"Microchip DSC1121DE5-072.0000T, XO (Standard), 72 MHz, CMOS output, 2.25V–3.6V supply, -20°C to 70°C, 6-VDFN package, Tape & Reel","salesMarkdown":"## 72 MHz MEMS oscillator for timing-constrained designs The DSC1121DE5-072.0000T is a 72 MHz XO (Standard) from Microchip's DSC1121 series, built on a MEMS resonator instead of a quartz crystal. The MEMS die is sealed in a 6-VDFN package measuring 2.50mm x 2.00mm, making it a drop-in for space-constrained boards where a quartz can would be too tall or too wide. Output is CMOS, so it drives standard logic inputs directly without a level translator. The supply range spans 2.25V to 3.6V, covering both 2.5V and 3.3V rails without an external regulator. The Enable/Disable function lets the system gate the clock — useful for power-saving modes or test bypass. When disabled, the output goes high-impedance and the supply current drops to 22 mA max, versus 35 mA max when running. Rated for -20°C to 70°C, this oscillator fits indoor equipment, office gear, and telecom cabinets where ambient stays above freezing. The MEMS construction gives it better shock and vibration tolerance than a quartz oscillator — a practical advantage for equipment that ships assembled or sees fan vibration. The absolute pull range is ±10 ppm, which covers the frequency accuracy needed for most 72 MHz clock trees without external trimming. For a 72 MHz reference, that is about 720 Hz of total drift across temperature and voltage. Listed as Active by Microchip — this part is in production and available for new designs. Supplied in Tape & Reel (TR) packaging, which is the standard format for automated pick-and-place assembly.","metaTitle":"DSC1121DE5-072.0000T – 72 MHz MEMS XO, CMOS, 2.25-3.6V","metaDescription":"Microchip DSC1121DE5-072.0000T: 72 MHz MEMS oscillator, CMOS output, 2.25V–3.6V supply, -20°C to 70°C, 6-VDFN package.","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":"-","Function":"Enable/Disable","Frequency":"72 MHz","Mounting Type":"Surface Mount","Base Resonator":"MEMS","Package / Case":"6-VDFN","Product Status":"Active","lifecycle_stage":"eol_hot","Size / Dimension":"0.098\\\" L x 0.079\\\" W (2.50mm x 2.00mm)","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)":"±10ppm","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":"Is the DSC1121DE5-072.0000T a direct replacement for a 72 MHz quartz oscillator?","answer":"Yes, in most cases. The DSC1121DE5-072.0000T is a MEMS-based XO that outputs a 72 MHz CMOS clock signal, same as a quartz oscillator. The key difference is the MEMS die is more rugged under shock and vibration, and the 6-VDFN package is smaller than a typical quartz can. Check the pinout and enable logic of your existing quartz part — the Enable/Disable function on this device is active-high or active-low depending on the configuration, so verify polarity against your current design."},{"question":"Does the DSC1121DE5-072.0000T have an enable/disable function and how does it work?","answer":"Yes, it has an Enable/Disable function. When enabled, the oscillator outputs the 72 MHz CMOS clock; when disabled, the output goes high-impedance and the supply current drops to 22 mA max (from 35 mA max when running). This is useful for power gating the clock in low-power modes or during system test."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/microchip/DSC1121DE5-072.0000T","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/microchip/DSC1121DE5-072.0000T 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}}