9ERS3125BKILFT

Overview

The 9ERS3125BKILFT is a clock/frequency synthesizer IC from Renesas Electronics, designed as an Intel CK505 derivative. It features a fully integrated voltage regulator and differential outputs with built-in series resistors for 50-ohm impedance matching. The device supports spread spectrum modulation ranging from 0 to -0.5% down. Key specifications include a maximum peak-to-peak jitter of 85 picoseconds and operation at a core voltage of 3.3V. It utilizes a low-noise PLL with digital trimming for frequency accuracy and is housed in a 56-pin VFQFN package.

Feature Summary

• Fully integrated voltage regulator simplifies power supply design
• Differential outputs include integrated series resistors for precise 50-ohm termination
• Supports spread spectrum modulation for EMI reduction
• Low noise PLL with digital trimming ensures high frequency accuracy

Applications

• Intel chipset clock generation systems
• Industrial computing environments requiring stable timing
• High-performance server and storage infrastructure

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm the specific ordering suffix matches project requirements. Check for end-of-life status or last-time-buy notifications, as availability may be limited. Ensure compliance with RoHS3 standards and verify moisture sensitivity level handling procedures during assembly.

Selection Notes

Select this component for applications requiring an Intel CK505 compatible clock solution. Consider its integrated Vreg and output terminations when designing PCB layouts to minimize external components. Evaluate jitter performance against system requirements. Ensure the 56-VFQFN package fits within the available board space and thermal constraints.

Part Context

This part belongs to Renesas' clock and timing portfolio, specifically targeting chipset clock generation. It serves as a specialized solution for Intel-based architectures, providing necessary clock signals with integrated features that reduce bill-of-materials complexity compared to discrete solutions.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation.