DSC557-053333KL1T

Overview

The DSC557-053333KL1T is a Crystal-less™ four-output PCI Express clock generator utilizing silicon MEMS technology. It meets Gen1, Gen2, and Gen3 specifications without requiring an external quartz crystal. The device provides four differential LVDS outputs with a maximum frequency of 460 MHz. It operates on a supply voltage ranging from 2.25V to 3.6V and supports an extended industrial temperature range of -40°C to 105°C. The component features low power consumption and excellent shock and vibration immunity.

Feature Summary

• Crystal-less design using proven silicon MEMS technology for enhanced reliability
• Four differential LVDS outputs compliant with PCIe Gen1, Gen2, and Gen3 standards
• Wide operating temperature range: -40°C to 105°C (Extended Industrial)
• Low power consumption, approximately 30% lower than competing devices

Applications

• Communications/Networking equipment including Ethernet and routers
• Storage solutions such as SAN, NAS, SSD, and JBOD systems
• Embedded applications in industrial, medical, and avionics sectors

Procurement Notes

Verify the specific ordering suffixes against the manufacturer's datasheet to confirm output formats and temperature grades. The 'L' suffix indicates the Extended Industrial temperature range (-40°C to 105°C), while 'I' denotes Industrial (-40°C to 85°C). Ensure compatibility with the required PCIe generation specifications before procurement.

Selection Notes

Select this model when a crystal-less solution is required for PCIe applications to improve shock and vibration resistance. Confirm that the LVDS output format matches the system requirements, as mixed output options are available in other variants. Verify the supply voltage range of 2.25V to 3.6V aligns with the target board design.

Part Context

This component belongs to the DSC557-05 series of Crystal-less™ Four Output PCIe Clock Generators. It replaces traditional quartz-based oscillators by integrating MEMS technology directly into the package. The series offers various output format combinations and temperature grades to suit different environmental and performance needs.

Replacement Considerations

Direct replacements within the same family include DSC557-053333KI1T (Industrial temp) or DSC557-053333KE1T (Ext. Commercial temp). For different output formats, check variants ending in 'K' followed by codes for LVPECL or HCSL. Ensure the footprint remains compatible with the 20-QFN package.