{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"DSC1123CI5-156.2500","brand":"Microchip Technology","brandSlug":"microchip","productSlug":"DSC1123CI5-156.2500","canonicalUrl":"https://icboms.com/microchip/DSC1123CI5-156.2500","factsUrl":"https://icboms.com/api/mcp/products/DSC1123CI5-156.2500","rawCanonicalId":null},"summary":{"shortDescription":"Microchip Technology DSC1123CI5-156.2500, DSC1123 series XO (Standard) MEMS oscillator, 156.25 MHz LVDS output, ±10 ppm stability, -40°C to 85°C, 2.25V-3.63V supply, 6-SMD no lead.","salesMarkdown":"## 156.25 MHz LVDS MEMS oscillator — board-fit and routing The DSC1123CI5-156.2500 is a MEMS-based XO (Standard) delivering a 156.25 MHz LVDS output — a common reference frequency for 10GbE, PCIe Gen 2/3, and FPGA transceiver clocks. The enable/disable function (E/D) pulls the output to high-Z when the enable pin is driven low, useful for clock gating in multi-frequency designs. ## Industrial temperature grade and frequency stability The ±10 ppm frequency stability holds the 156.25 MHz edge within a tight window across the full temperature swing — critical for keeping the link up on a 10GBASE-R PHY without bit errors. That 10 mA saving per oscillator adds up when a board carries multiple clock trees for different interfaces. No official second source or pin-compatible alternative from Microchip; the DSC11xx family shares the same footprint but output types differ (HCSL, LVPECL, LVCMOS). Verify output type before substituting.","metaTitle":"DSC1123CI5-156.2500 Microchip 156.25 MHz LVDS MEMS","metaDescription":"DSC1123CI5-156.2500: Microchip DSC1123 series XO, 156.25 MHz LVDS output, ±10 ppm stability, -40°C to 85°C, 2.25V-3.63V supply. 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":"LVDS","Series":"DSC1123","Package":"Tube","Ratings":"-","Function":"Enable/Disable","Frequency":"156.25 MHz","Mounting Type":"Surface Mount","Base Resonator":"MEMS","Package / Case":"6-SMD, No Lead","Product Status":"Active","lifecycle_stage":"eol_hot","Size / Dimension":"0.126\\\" L x 0.098\\\" W (3.20mm x 2.50mm)","Voltage - Supply":"2.25V ~ 3.63V","Base Product Number":"DSC1123","Frequency Stability":"±10ppm","Height - Seated (Max)":"0.035\\\" (0.90mm)","Operating Temperature":"-40°C~85°C","Current - Supply (Max)":"32mA","Absolute Pull Range (APR)":"-","Spread Spectrum Bandwidth":"-","Current - Supply (Disable) (Max)":"22mA"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$4.9300","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/32c33983bfd645bac8d0b2ac5207c872.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the closest pin-compatible alternative to DSC1123CI5-156.2500?","answer":"Microchip's DSC1123 series has no official second source. The DSC1103 series shares the same 6-SMD footprint and pinout but outputs LVPECL instead of LVDS — a direct swap would require re-termination. For a drop-in replacement, stick with the DSC1123 family and select a different frequency or stability grade."},{"question":"Is DSC1123CI5-156.2500 RoHS compliant?","answer":"RoHS compliance is standard for the DSC1123 series; the part carries no lead or restricted substances per Microchip's material declaration. Confirm at RFQ if a specific certificate is needed for your compliance audit."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/microchip/DSC1123CI5-156.2500","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/microchip/DSC1123CI5-156.2500 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}}