{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"DSC1104BE2-027.0000","brand":"Microchip Technology","brandSlug":"microchip","productSlug":"DSC1104BE2-027.0000","canonicalUrl":"https://icboms.com/microchip/DSC1104BE2-027.0000","factsUrl":"https://icboms.com/api/mcp/products/DSC1104BE2-027.0000","rawCanonicalId":null},"summary":{"shortDescription":"Microchip DSC1104BE2-027.0000, XO (Standard) MEMS oscillator, 27 MHz HCSL output, ±25 ppm stability, 2.25V–3.6V supply, -20°C to +70°C, 6-VDFN surface-mount package.","salesMarkdown":"## Active production — MEMS-based 27 MHz HCSL clock source HCSL (High-Speed Current Steering Logic) outputs are common in PCIe reference clock applications — the DC-coupled 2.25V–3.6V supply range lets this part sit on a 2.5V or 3.3V rail without a level translator. ## Standby power-down and supply range The 2.25V–3.6V supply range covers common 2.5V and 3.3V logic rails — the part runs from either without an external regulator. ## 6-VDFN package — board-fit notes Housed in a 6-VDFN package measuring 5.00 mm × 3.20 mm with a seated height of 0.90 mm, the footprint is compatible with standard 6-pin oscillator land patterns — no special via-in-pad or buried-via fan-out is required.","metaTitle":"DSC1104BE2-027.0000 MEMS XO 27 MHz HCSL – Microchip","metaDescription":"Active MEMS XO, 27 MHz, HCSL output, ±25 ppm stability, -20°C to +70°C, 6-VDFN.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Crystals & Oscillators"],"specifications":{"Mfr":"Microchip Technology","Type":"XO (Standard)","Output":"HCSL","Series":"DSC1104","Package":"Tube","Ratings":"-","Function":"Standby (Power Down)","Frequency":"27 MHz","Mounting Type":"Surface Mount","Base Resonator":"MEMS","Package / Case":"6-VDFN","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":"DSC1104","Frequency Stability":"±25ppm","Height - Seated (Max)":"0.035\\\" (0.90mm)","Operating Temperature":"-20°C~70°C","Current - Supply (Max)":"42mA","Absolute Pull Range (APR)":"-","Spread Spectrum Bandwidth":"-","Current - Supply (Disable) (Max)":"95µA"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/11b93dcf3fe2344432ea2f214a7ea724.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/DSC1104BE2-027.0000/alternatives.json"},"ai":{"faq":[{"question":"Can DSC1104BE2-027.0000 replace an LVPECL oscillator?","answer":"No — the output is HCSL, not LVPECL. The DC bias and termination schemes differ: HCSL requires a 50 Ω pull-up to ground on each output leg, while LVPECL needs a Thevenin equivalent termination to VCC – 2 V. A direct swap without board-level changes will not work."},{"question":"What is the difference between DSC1104BE2-027.0000 and DSC1104AE2-027.0000?","answer":"The evidence does not list a DSC1104AE2 variant. Within the DSC1104 series, the suffix encodes frequency stability and temperature range — the BE2 suffix on this part specifies ±25 ppm stability over -20°C to +70°C. Confirm the exact order code against your BOM."},{"question":"Does DSC1104BE2-027.0000 require external termination?","answer":"Yes — HCSL outputs are open-source and require external 50 Ω pull-down resistors to ground on each output leg (typically to the 0 V plane) to set the correct swing. The datasheet application note shows the recommended resistor placement within 0.2 inches of the output pin."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/microchip/DSC1104BE2-027.0000","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/microchip/DSC1104BE2-027.0000 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}}