851S201CKILFT

Overview

The 851S201CKILFT is a high-performance clock driver manufactured by Renesas Electronics Corporation. It functions as a 2-to-1 differential-to-HCSL multiplexer, featuring two selectable differential clock input pairs and two differential HCSL output pairs. The device supports low level input detection for alarm functionality. It operates within the VFQFPN package type with dimensions of 3.0 x 3.0 x 1.0 mm and a pitch of 0.5 mm.

Feature Summary

• Supports 2:1 differential-to-HCSL multiplexing with selectable input pairs
• Includes low level input detection capability for alarm signaling
• Provides two differential HCSL output pairs

Applications

• Clock distribution systems requiring signal selection
• High-speed digital interfaces utilizing HCSL signaling
• Systems needing differential clock input monitoring

Procurement Notes

Verify component authenticity through authorized distributors or official Renesas channels. Confirm package marking and datasheet alignment to distinguish from obsolete variants. Ensure supply chain integrity to avoid counterfeit timing components.

Selection Notes

Select this component when a 2-input to 2-output differential-to-HCSL multiplexer is required. Consider the integrated low alarm feature for input monitoring needs. Verify compatibility with system voltage levels and interface requirements before integration.

Part Context

This part belongs to the ICS851S series of clock drivers and multiplexers. It is designed for applications requiring precise clock signal routing and format conversion between differential inputs and HCSL outputs in high-speed electronic systems.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. The component is classified as an obsolete timing component; verify availability status and potential end-of-life implications.