ICS951901AFLFT

Overview

The ICS951901AFLFT is a clock frequency generator and buffer integrated circuit manufactured by Renesas Electronics Corporation. Designed for Intel CPU server applications, this device operates with a single PLL circuit and accepts a crystal input to generate a clock output. It features a 1:28 input-to-output ratio and supports maximum frequencies up to 166.65MHz. The component functions within a supply voltage range of 3.135V to 3.465V and is rated for an operating temperature between 0°C and 70°C. It is housed in a 48-SSOP surface-mount package.

Feature Summary

• Integrated PLL-based clock generation for Intel CPU servers
• Single circuit configuration with 1:28 input-to-output ratio
• Maximum frequency capability of 166.65MHz
• Crystal input interface generating standard clock outputs

Applications

• Intel CPU server timing control
• Server motherboard clock distribution
• High-performance computing system synchronization

Procurement Notes

Verify the manufacturer part number ICS951901AFLFT against official Renesas documentation to confirm specifications. Ensure the 48-SSOP package dimensions match the design requirements. Confirm that the 3.135V to 3.465V supply voltage range aligns with the target system power rails. Check for any specific RoHS or environmental compliance certifications required for the deployment environment.

Selection Notes

Select this component when designing for Intel CPU server architectures requiring a dedicated clock generator. The 1:28 ratio and 166.65MHz limit define its operational boundaries. Ensure the design accommodates the 48-BSSOP footprint and 0°C to 70°C industrial temperature range. Verify compatibility with crystal input sources before integration into the timing control hub.

Part Context

This device belongs to the Renesas clock and timing product family, specifically tailored for server-grade processors. It serves as a specialized solution for generating stable clock signals required by high-speed CPU interfaces. The 48-SSOP packaging allows for compact integration on dense server motherboards while maintaining signal integrity for critical timing operations.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult Renesas technical support or official distributor databases for verified cross-references if this specific variant is unavailable.