843202AYILF

Clock Generators, PLLs, Frequency Synthesizers Overview

The 843202AYILF is a high-frequency clock synthesizer belonging to the FemtoClock family, manufactured by Renesas Electronics Corporation. It functions as a crystal-to-LVPECL clock generator designed for low-jitter performance in high-speed digital systems. The device utilizes an external parallel resonant crystal to synthesize precise output frequencies, featuring differential LVPECL outputs. Key electrical characteristics include a VCO operating range and programmable output dividers accessible via serial or parallel interfaces. The component supports mixed 3.3V and 2.5V supply modes and operates within a specified ambient temperature range, ensuring stability for demanding interconnect applications.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Generates low-jitter differential LVPECL clock signals from a crystal input
• Supports mixed 3.3V and 2.5V supply voltage modes
• Programmable output frequency via serial or parallel configuration interfaces
• Designed for SAS-2 and high-speed serial interconnect protocols

Clock Generators, PLLs, Frequency Synthesizers Applications

• SAS-2 (Serial Attached SCSI) interconnect systems
• High-performance server storage controllers
• Data communication equipment requiring precise timing
• Enterprise storage arrays

Clock Generators, PLLs, Frequency Synthesizers Procurement Notes

Verify the specific suffix 'AYILF' against official Renesas documentation to confirm package type, lead finish, and RoHS compliance status. Check current product lifecycle status, as older FemtoClock components may be obsolete or subject to limited availability. Confirm pinout compatibility if replacing existing designs.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this component when low RMS phase jitter is critical for SAS-2 or similar high-speed serial standards. Ensure the design accommodates the required external crystal specifications and provides separate 3.3V and 2.5V power domains if mixed-voltage operation is utilized. Verify that the available output frequency matches the system requirements through the internal divider programming.

Clock Generators, PLLs, Frequency Synthesizers Part Context

The 843202AYILF is part of the ICS84320 series of FemtoClock synthesizers. This family is engineered to provide superior jitter attenuation and clean clock distribution for enterprise and data center infrastructure. It serves as a timing solution for devices connecting to high-bandwidth peripherals.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material. Consult Renesas technical support for direct replacements or cross-reference with other FemtoClock series members if functional equivalence is required.