PI6LC48C21LIE

Overview

The PI6LC48C21LIE is a single-output LVCMOS clock synthesizer from the HiFlex family, designed to generate Ethernet reference frequencies. It utilizes a 25MHz crystal input to produce a 125MHz output with low phase jitter (0.15ps RMS typical). The device supports full 3.3V or 2.5V supply modes and operates within an industrial temperature range of -40°C to +85°C. Packaged in a lead-free 8-TSSOP format, it integrates separate analog and digital power supplies to minimize noise coupling.

Feature Summary

• Single LVCMOS output generating 125MHz or 130MHz frequencies
• Low RMS phase jitter: 0.15ps (1.875MHz–20MHz) and 0.33ps (12kHz–20MHz)
• Dual supply configuration for VDD and VDDA to isolate switching noise
• Industrial ambient operating temperature range (-40°C to +85°C)

Applications

• Networking systems
• Ethernet interface circuits

Procurement Notes

Verify the ordering suffix 'LIE' corresponds to the Pb-free, Green, 8-pin TSSOP package in tape and reel format. Confirm that the component meets RoHS3 and REACH compliance standards as specified by Diodes Incorporated. Ensure the procurement matches the specific industrial temperature grade required for the application environment.

Selection Notes

Select this component when a single-ended LVCMOS clock signal is required for Ethernet applications. It is suitable for designs needing low jitter performance using a standard 25MHz parallel resonant crystal. Consider the dual-supply requirement for optimal noise isolation and ensure the PCB layout accommodates separate VDD and VDDA connections with appropriate bypass capacitors.

Part Context

The PI6LC48C21 belongs to Pericom’s HiFlex family of high-performance clock solutions, now manufactured under Diodes Incorporated. This specific part number represents the industrial-grade version packaged in an 8-TSSOP footprint. It serves as a dedicated synthesizer for generating precise reference clocks for networking hardware.

Replacement Considerations

Check datasheets for other HiFlex series members like PI6LC48P03LE for pin compatibility. Verify if alternative synthesizers support the same 25MHz input and 125MHz output requirements without requiring circuit redesign.