CDC351IDBRG4

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The CDC351IDBRG4 device is an advanced clock buffer, driver, and fan-out for high-speed clocks and data. Clock drivers buffer and distribute multiple copies of a single clock signal to reduce board trace length and minimize power consumption. It can minimize clock jitter and improve system timing accuracy, being especially suited for multi-frequency operation or where high timing accuracy is required.

The CDC351IDBRG4 is suitable for a wide range of clock/timing applications. It has a 1:8 fan-out and a wide frequency range of 4.5MHz to 1000+MHz, and is ideal for high-frequency serializer/deserializer (SERDES) applications, telecommunications clock distribution, and data transfer systems. The device can be used as a buffer between two systems, where different clock signals are used to transfer data, as well as in other timing networks that are commonly used in FPGAs and parallel data transfer technology.

The CDC351IDBRG4 operates in two main modes, fan-out mode and pass-through mode. In fan-out mode, a single clock signal is buffered and spread across 8 digital outputs. This mode is suitable for applications in which the clock signal is needed at multiple points on the circuit board. In pass-through mode, the device passes an incoming clock signal from one system through to another without any buffering or fan-out. This mode is useful for applications in which a specific type of output clock signal is required for a system.

The CDC351IDBRG4 is compatible with LVDS and LVPECL input signals and can generate LVDS and LVPECL output signals. It is capable of generating lower voltage output signals than conventional LVPECL outputs, and features an adjustable amplitude control that allows the user to reduce jitter and power consumption. The adjustable amplitude control is especially useful for applications that require low-jitter clocks, but with a high level of power efficiency.

The CDC351IDBRG4 has an integrated high-speed, low-noise PLL circuit that allows it to operate in both SyncE and PLL mode. In SyncE mode, the device can be connected to both incoming and outgoing clock reference signals to perform clock synchronization. In PLL mode, the device can be used to generate a single clock signal from one incoming reference clock signal. The CDC351IDBRG4 also features a Phase Interpolator mode, which allows the user to configure the device to generate output clock signals that are phase shifted with respect to the incoming clock signal.

The CDC351IDBRG4 has several operational modes that can be configured by the user. By selecting the appropriate mode, the device can be used to perform a variety of clock/timing functions. It is capable of generating a wide range of input/output signal types and frequencies, making it suitable for many different applications. The device provides ample signal integrity and low jitter performance, making it an ideal choice for high-speed clock signal applications.

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