8501BYLF

Overview

The 8501BYLF is a clock buffer manufactured by Renesas Electronics Corporation, designed for high-speed signal distribution. It features a 1-to-16 fanout architecture with a single differential input and sixteen single-ended outputs. The device supports an input frequency of up to 500 MHz and operates on a 3.3V supply voltage. It is housed in a 48-pin TQFP package. The component accepts various input signaling standards including LVPECL, LVDS, HCSL, and HSTL, while providing HCSL-compatible outputs. It is suitable for applications requiring PCIe Gen1, Gen2, and Gen3 compliance.

Feature Summary

• Provides 1-to-16 differential HCSL fanout buffering for clock distribution
• Supports multiple input signaling formats including LVPECL, LVDS, HCSL, and HSTL
• Capable of handling input frequencies up to 500 MHz
• Complies with PCIe Gen1, Gen2, and Gen3 jitter requirements

Applications

• High-speed data transmission systems
• PCIe compliant circuit designs
• Server and storage infrastructure clock distribution
• Telecommunications equipment

Procurement Notes

Verify the specific datasheet revision and ordering information directly with authorized distributors or Renesas Electronics. Confirm that the 48-pin TQFP package matches your PCB footprint requirements. Ensure compatibility with 3.3V logic levels and check for any lead-free or RoHS compliance documentation required for your manufacturing process before finalizing procurement.

Selection Notes

Select this component when a single differential clock source needs to drive up to sixteen loads with minimal skew. It is appropriate for designs requiring support for diverse input standards like LVDS or LVPECL while outputting HCSL signals. Consider the 500 MHz maximum frequency limit and the 3.3V operating voltage when evaluating system power and speed constraints against alternative buffer solutions.

Part Context

This part belongs to Renesas' family of high-speed clock buffers and fanout drivers. These components are essential for maintaining signal integrity in complex digital systems where a master clock must be distributed to multiple synchronous devices. The 8501BYLF specifically addresses the need for high-frequency fanout in modern computing and communication architectures.

Replacement Considerations

Consult official cross-reference lists for direct pin-compatible alternatives. Verify electrical specifications such as input/output voltage levels, maximum frequency, and package dimensions to ensure functional equivalence in existing designs.