CDC341DWRG4

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The CDC341DWRG4 clock/timing device belongs to the family of Clock Buffers, Drivers, and is an extremely versatile timing solution for a wide range of applications. It is an integrated device consisting of dual low-skew output buffers and additional programmable clock-stretching and frequency-division features. This device has been designed primarily for mobile and embedded markets, where low power consumption and low-skew outputs are important considerations.

The CDC341DWRG4 utilizes a low-skew PLL (Phase-Locked Loop) architecture that provides four independent clock output pins. This architecture is designed to provide superior jitter and skew performance across varying supply voltage and loading conditions. The PLL clock-stretching feature eliminates the need for a high-precision fixed-clock oscillator, resulting in cost savings and reduced system complexity. The device also offers two separate clock sources for frequency-division, allowing up to 3-bit frequency division in hardware.

The CDC341DWRG4 has a wide range of applications, including system-on-chip (SoC) clocking, digital signal processor (DSP) clocking, and other clock-intensive systems. It can be used to generate high-precision local clock signals and global clock signals. It is also useful in connecting multiple I/O devices to a single host processor or peripheral. Additionally, it can be used as a clock generator and controller for low-power and high-performance applications.

The device features a built-in power-saving mode, which reduces the power consumption of the device during periods of low activity. It also includes an integrated 50-ohm power amplifier, which allows for a wide range of signal frequency operation and helps to reduce system noise. The CDC341DWRG4 also includes two selectable drive strengths (low-output and high-output) that provide flexibility and ensure a suitable match to the load capacitance in each application.

The CDC341DWRG4 operates from a single +3.3V supply and can operate from either a nominal 1.3V or 0.9V Vdd. It incorporates an on-chip low-skew output buffer that provides two differential pairs for the clock outputs. The output drivers are symmetrical in current, allowing compatibility with a wide range of loads, including FPGAs, ASICs, and high-speed SRAMs.

The CDC341DWRG4 provides superior jitter and skew performance, making it suitable for a wide range of applications. Its low power consumption and low-skew outputs make it a great choice for mobile and embedded markets. The ability to frequency-divide with two independent clock sources and to provide 4 independently programmable clock output pins makes it a highly versatile timing solution.

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