9SQL4954CNLGI

Application Specific Clock/Timing Overview

The Renesas 9SQL4954CNLGI is a single-circuit clock generator designed for PCI Express applications. It features a maximum operating frequency of 25MHz and accepts a clock input, producing two differential clock outputs with a 1:2 ratio. The device operates on a supply voltage ranging from 3.135V to 3.465V and supports an integrated PLL. It is housed in a 24-VFQFPN package with exposed pads (4x4 mm) and functions within a temperature range of -40°C to 85°C.

Application Specific Clock/Timing Feature Summary

• Designed specifically for PCI Express clock generation
• Integrates a Phase-Locked Loop (PLL)
• Converts single-ended clock input to two differential outputs
• Operates within a 3.135V to 3.465V supply range

Application Specific Clock/Timing Applications

• PCI Express system clock distribution
• Server and workstation motherboard timing
• Industrial computing platforms requiring PCIe compliance

Application Specific Clock/Timing Procurement Notes

Verify the specific ordering suffix CNLGI against official datasheets to confirm package type and tape-and-reel specifications. Confirm RoHS compliance status and moisture sensitivity level requirements prior to procurement. Ensure the supplier provides valid traceability documentation for this component.

Application Specific Clock/Timing Selection Notes

Select this component when a dedicated PCIe clock generator with a 1:2 output ratio is required. Ensure the design accommodates the 3.135V to 3.465V supply voltage constraints. Verify that the 24-VFQFPN footprint matches the PCB layout and that the 25MHz maximum frequency meets the target interface speed requirements.

Application Specific Clock/Timing Part Context

This part belongs to the VersaClock family of timing devices from Renesas Electronics. It serves as a specialized solution for generating stable clock signals for high-speed serial interfaces like PCIe, differing from general-purpose oscillators by its programmable nature and specific interface compatibility.

Application Specific Clock/Timing Replacement Considerations

Consult the manufacturer's cross-reference guide for verified pin-to-pin or functional replacements. Ensure any substitute maintains the same 24-VFQFPN package dimensions and electrical characteristics.