PI6LC48P0201LIEX

Overview

The PI6LC48P0201LIEX is a clock generator from Diodes Incorporated's HiFlex family, designed for Ethernet networking applications. It functions as a synthesizer optimized to generate reference clock frequencies using a 25MHz crystal oscillator. The device features two differential LVDS output pairs and supports selectable crystal oscillator interfaces or LVCMOS/LVTTL inputs. Utilizing proprietary low phase noise PLL technology, it achieves ultra-low phase jitter, making it suitable for high-performance Ethernet interfaces in various systems.

Feature Summary

• Two differential LVDS output pairs
• Optimized for Ethernet reference clock generation
• Supports 25MHz crystal input with selectable frequency settings via pins
• Ultra-low RMS phase jitter (0.2ps typical at 156.25MHz)

Applications

• Networking systems
• Ethernet interface circuits

Procurement Notes

Verify the specific suffix 'LIEX' against the manufacturer datasheet to confirm package type and tape/reel specifications. Ensure compatibility with 3.3V or 2.5V supply modes as defined in the electrical characteristics. Cross-reference the part number with official Diodes Incorporated documentation to validate current production status and environmental compliance details.

Selection Notes

Select this component when designing Ethernet-based systems requiring precise clock synthesis from a 25MHz crystal. Verify that the required output frequencies (e.g., 62.5MHz, 156.25MHz) match the pin-selectable options provided by the N_SEL[0:1] configuration. Ensure the system design accommodates the specified RMS phase jitter requirements for the target data rate.

Part Context

This part belongs to the Pericom HiFlex family of high-performance clock solutions, now manufactured under Diodes Incorporated following the acquisition of Pericom Semiconductor Corporation. The PI6LC48 series is specifically engineered for networking and Ethernet applications, offering integrated PLL synthesis capabilities to replace discrete clock generation components.

FAQ

What is the typical RMS phase jitter performance?

The RMS phase jitter is typically 0.2ps at 156.25MHz with a 25MHz crystal input (1.875MHz – 20MHz bandwidth).

How are the output frequencies configured?

Output frequencies are selected based on the settings of two frequency select pins (N_SEL[0:1]) when using a 25MHz crystal.

What input types does the device support?

The device supports a 25MHz crystal oscillator interface or single-ended clock inputs such as LVCMOS/LVTTL.