NB2304AI2DG

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The NB2304AI2DG is a highly integrated multi-output clock and Data Recovery (CDR) device that provides an ideal 1.8V single-ended clock and 4 differential synchronized data output signals with in-phase, 100ps differential skew with SSC output jitter as low as 0.19ps (RMS). Its unique all-digital architecture makes it robust and reliable, and it requires much less development time and effort to employ than traditional analog CDRs. The NB2304AI2DG is suitable for any high speed, high bandwidth differential clock and data signaling applications such as Ethernet, SATA, SONET, Fibre Channel and many more. In this article, we will discuss the application fields and working principles of the NB2304AI2DG.

Application Fields

The NB2304AI2DG Multi-output Clock and Data Recovery (CDR) is primarily used for applications that require synchronization of clock and data signals, such as Ethernet, SATA, SONET, Fibre Channel and other high speed, high bandwidth applications. It can also be used in many other applications that require the synchronization of data signals, such as video, audio and other broadcast applications. In addition, the NB2304AI2DG is also suitable for any data communication and storage where erasure and transmission error correction are required.

Working Principle

The working principle of the NB2304AI2DG can be broken down into two main parts: the clock and data recovery and the data de-skewing. The primary function of the CDR is to convert an input clock signal into a stable, synchronous clock output with minimal jitter. The CDR performs a clock data recovery process that takes the incoming data and clock signals, extracts the clock information and then regenerates it as a fully synchronized, de-skewed version of the original clock signal. It also regenerates the incoming data signal as a synchronized version of the original data signal.

The data de-skewing part of the NB2304AI2DG is used to minimize the differential skew present in the incoming data signals. It does this by taking the non-synchronized incoming data and clock signals, comparing the differential delays between the four data signals and then adjusting the clock output accordingly. It then synchronizes the data signals with the clock output and produces a synchronized, de-skewed data output. This output is used by the system as the reference for accurate data transmission.

In conclusion, the NB2304AI2DG is a highly integrated multi-output clock and Data Recovery (CDR) device that is suitable for any high speed, high bandwidth differential clock and data signaling applications. It utilizes an all-digital architecture that makes it robust and reliable and requires much less development time and effort to employ than traditional analog CDRs. It is designed to minimize jitter and differential skew of data signals in order to improve data transmission accuracy and reliability.

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