PI6C20400SHE

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Introduction

The PI6C20400SHE is an ultra-low-jitter clock physical layer transceiver that uses a serial link for interconnects between clock input and output nodes. The PI6C20400SHE is a very convenient and powerful device to enable the generation of low-jitter clock outputs for critical timing and clock sources. The applications for this device range from critical test instrumentation, or networking equipment where timing accuracy is paramount.

Application Field

The clock/timing - application specific field has a wide range of applications for the PI6C20400SHE. These applications include the generation of an accurate and low-jitter clock output for use in test and measurement equipment such as oscilloscopes, arbitrary waveform generation units, etc. The PI6C20400SHE is also useful for laboratory uses such as low-noise clock reference and calibration. Additionally, the PI6C20400SHE can be used for high-speed communication requirements in routers and datacom equipment such as routers, switches and network interface cards. The PI6C20400SHE is a great choice for providing a low-noise, low-jitter clock solution for these applications.

Working Principle

The operation of the PI6C20400SHE is based on a pair of oscillators, each of which drives a corresponding transmitter/receiver pair. The clock input signal that is used to sync the oscillators is sent to one of the receivers. The output of this receiver is used to lock the other oscillator, providing a near perfect clock output with very low jitter. The jitter of the clock output is controlled by the jitter of the clock input signal. By controlling the input signal jitter, the clock output can be minimized to very low levels.

To ensure that the clock output signal is free from any false clocking, the PI6C20400SHE has been outfitted with a built-in monitor that continually checks the input signal integrity. If the input signal becomes corrupted, the monitor will detect the anomaly and switch to the other oscillator, thus providing a reliable clock output for uninterrupted data transfers.

The PI6C20400SHE can operate at data rates up to 10Gbps using a single lane of data. It can also operate at higher rates if multiple lanes of data are used. This makes the PI6C20400SHE ideal for high-speed communications and clock applications that require extreme accuracy and stability. Additionally, the PI6C20400SHE supports forward-error-correction (FEC) and clock recovery techniques that allow the device to be used in many different communications protocols such as SATA, USB, Ethernet, and Firewire.

Conclusion

The PI6C20400SHE is a powerful, ultra-low-jitter clock physical layer transceiver that offers high performance and accuracy for test and measurement, and communication applications. The PI6C20400SHE is capable of generating a synchronous and low-jitter clock output by locking a pair of oscillators with a reliable clock input signal. With an integrated monitor and high-speed data rates, the PI6C20400SHE is an excellent choice for clock/timing - application specific requirements.

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