CDC2351QDBG4

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The CDC2351QDBG4 is a dual clock buffer fanout device designed to support multiple clock domains. It is designed to improve signal integrity in applications such as servers, networking, routers, and switches that require low jitter performance at higher speeds. Featuring high performance functions, the device ensures consistent signal transmission. Additionally, it offers low-power consumption and supports a wide range of protocols and clock systems.

The CDC2351QDBG4 clock buffer contains two dual-model buffers (DMA and vertical), to improve signal integrity by working on both the rising and falling edge. Each output driver is capable of supporting a variety of output configurations, such as push-pull, open-drain, and single edge output. It also supports variable output impedances for driving different loads and improving its edge proximity performance. This dual model architecture allows for beneficial features such as reduced edge jitter, improved signal integrity, and long signal trace lengths—all of which are essential for signal transmission.

The CDC2351QDBG4 clock buffer is suitable for a wide variety of system clock applications in networking, server, and switch systems. It provides a low-noise, reliable signal, and ensures a low-jitter and high-frequency output. Moreover, it supports a variety of input and output formats, such as LVDS, LVPECL, CML, CMOS and HCSL. The device is also operable in a wide range of temperature from -40°C to 85°C.

In terms of its design, the CDC2351QDBG4 combines an advanced spread-spectrum clock dithering (SSCD) technology with precision delay control. The dithering circuit is able to generate spread spectrum signals across a wide spectrum of frequencies, allowing for more uniform and accurate signal transmission at high speeds. The device also contains integrated DMA amplifiers and silicon optics that improve its jitter performance, allowing for output with extremely low jitter and fast rise/fall times. The device can also be driven with an external reference clock, controlling the jitter performance of individual outputs.

The CDC2351QDBG4 clock buffer has a Total Estimation of Noise (TONE) of less than 11ps. It also features a high-frequency sine wave input type and can support up to 1,800MHz. Additionally, the device contains an on-chip delay line that allows for precise, flexible output delays for all channels, without the need for external components.

In summary, the CDC2351QDBG4 is an ideal clock buffer for applications where noise-free, low jitter operation up to 1,800MHz is required. With its dual-model architecture and a variety of features, the device is suitable for a wide range of clock domains, such as servers, networking, routers, and switches. Additionally, its low power consumption, integrated delay line, and wide temperature range make it an ideal solution for a variety of clock systems.

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