9DBU0431AKLF

Overview

The 9DBU0431AKLF is a clock buffer manufactured by Renesas Electronics Corporation, designed for PCI Express Gen 1, 2, and 3 applications. It operates as a zero-delay buffer with four outputs, supporting LP-HCSL signaling at a nominal 1.5V supply voltage. The device accepts HCSL inputs and provides differential output capabilities. It is housed in a 32-VFQFPN package with exposed pads, suitable for surface-mount assembly. The component functions within a standard commercial temperature range of 0°C to +70°C.

Feature Summary

• Zero-delay buffering architecture for PCI Express Gen 1-3 systems
• Four LP-HCSL outputs driven by a single HCSL input
• Low power consumption of approximately 56mW
• Integrated termination options for direct transmission line connection

Applications

• PCI Express Gen 1, 2, and 3 clock distribution
• Server and workstation motherboard clocking
• Peripheral card reference clock generation

Procurement Notes

Verify the specific suffix 'AKLF' against current manufacturer documentation to confirm pinout compatibility and RoHS status. Check for Product Change Notifications (PCNs) regarding manufacturing site changes or material updates. Confirm availability status as older revisions may be subject to End-of-Life notices.

Selection Notes

Select this component when a low-power, zero-delay solution is required for PCIe Gen 1-3 designs. Ensure the design supports LP-HCSL output levels and 1.5V core voltage. Compare against the 9DBU0831AKLF if eight outputs are needed instead of four.

Part Context

This part belongs to the 9DBU series of PCIe clock buffers from Renesas. It complements other devices like the 9DBU0931AKLF and 9DBU0441AKILFT within the same family, offering specific output counts and packaging variations for different board space and performance requirements.

Replacement Considerations

The 9DBU0931AKLF is a related variant but features two outputs rather than four. Verify functional equivalence and pin compatibility before substitution. No direct cross-manufacturer replacements are documented in the provided data.