PEF42168VV1.2

Telecom Overview

The PEF42168 is a high-performance, low-power clock multiplier and jitter attenuator designed for telecommunications infrastructure. It features an integrated voltage-controlled oscillator (VCO) and supports multiple input/output configurations including LVDS, HCSL, and CML. The device provides flexible frequency synthesis with output frequencies up to 300 MHz. It incorporates advanced jitter filtering capabilities to clean noisy reference clocks, ensuring signal integrity in high-speed serial applications. The component operates within a specified industrial temperature range and utilizes a compact surface-mount package suitable for dense PCB layouts.

Telecom Feature Summary

• Integrated voltage-controlled oscillator eliminates external resonator requirements
• Advanced jitter attenuation filters noise from reference clock sources
• Supports multiple differential and single-ended I/O standards for system flexibility
• Low power consumption design optimized for telecom equipment efficiency

Telecom Applications

• Base station synchronization systems
• High-speed serial data transceivers
• Telecommunications network infrastructure
• Test and measurement equipment

Telecom Procurement Notes

Verify the specific suffix codes on the component marking against official Lantiq documentation to confirm voltage levels and package variants. Ensure compatibility with existing clock distribution networks by checking input frequency ranges and output drive strengths. Confirm RoHS compliance status through manufacturer datasheets prior to integration into regulated assemblies.

Telecom Selection Notes

Select this component when jitter attenuation is required alongside frequency multiplication. Evaluate the available I/O standards against the target system interface requirements. Consider the operating temperature range and power budget constraints of the application environment. Verify that the input reference clock characteristics fall within the device's capture range specifications.

Telecom Part Context

This part belongs to the PEF series of clock conditioning devices from Lantiq, now part of Intel. These components are widely used in carrier-grade networking equipment to manage timing signals. The PEF42168 specifically addresses the need for clean, stable clocks in environments with significant electrical noise.

Telecom Replacement Considerations

Check for direct pin-compatible replacements within the same family or newer generations. Verify functional equivalence regarding jitter performance and supported I/O standards. Ensure any substitute component meets the same thermal and electrical specifications required for the original design.