557GI-08LF

Overview

The Renesas Electronics 557GI-08LF is a PCI Express clock multiplexer integrated circuit designed for high-speed switching in PCIe Gen1 systems. It operates as a 2:1 multiplexer with a maximum frequency of 200MHz. The device supports HCSL and LVDS input and output formats, ensuring efficient data transfer. It functions within a supply voltage range of 3.135V to 3.465V and is rated for an operating temperature range of -40°C to +85°C. The component is housed in a 16-TSSOP package.

Feature Summary

• Functions as a 2:1 multiplexer chip specifically engineered for PCI Express Gen1 applications.
• Supports both HCSL and LVDS signal formats for flexible input and output configurations.
• Enables high-speed switching capabilities to maintain efficient data transfer rates.

Applications

• PCI Express Gen1 system clock distribution
• High-speed data transfer interface design
• Multiplexing clock signals in server or workstation architectures

Procurement Notes

Verify the current product status before procurement, as this specific part number may be classified as obsolete by the manufacturer. Confirm that the 16-TSSOP package dimensions align with your PCB footprint requirements. Ensure compatibility with the required HCSL or LVDS signal standards for your specific application design. Cross-reference the latest datasheet for any pinout revisions or environmental compliance updates prior to finalizing the order.

Selection Notes

Select this component when a dedicated 2:1 clock multiplexer is required for PCI Express Gen1 infrastructure. It is suitable for designs needing support for both HCSL and LVDS interfaces without external conversion. Consider the -40°C to +85°C industrial temperature range if the application operates in demanding environments. Verify that the 200MHz maximum frequency meets the timing requirements of the target PCIe generation.

Part Context

This component belongs to the 557G series of clock generators and support products from Renesas Electronics. It is part of a family of devices optimized for high-speed serial communication standards, particularly PCI Express. The series includes various multiplexer and source configurations tailored for different PCIe generations and interface requirements.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. The 557GI-08LFT is listed as an alternative variant, potentially differing only in packaging format. Consult official Renesas resources for direct replacements if this obsolete part is no longer sourced.