PI49FCT3807HE

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The PI49FCT3807HE is a fan-out buffer tailored to improve signal integrity and reduce overall system cost in applications such as multi-standard ports, docks, routers and switches. It allows designers to quickly and easily build custom designs with sophisticated clock management for multiple standards. The device provides an alternative to using multiple specialized ICs for multiple standards, and reduces the power consumption and cost of system design.

The PI49FCT3807HE is a dual differential PECL-compatible fan-out buffer with automatic skew compensation. It has three differential outputs and can generate a wide variety of clock outputs from a single reference clock input. Each output can be independently buffered from a single reference clock, allowing the generation of independent 1V or 2V clock signals. The 0.18u CMOS process ensures low power and low jitter, while the current-mode design offers fast rise/fall time.

The device features an automatic skew adjustment circuit that detects and corrects any clock skew between the input and output signals. This reduces crosstalk, increases signal integrity and speeds switching performance. The noise immunity of the buffer is also improved by the improved noise rejection of the differential PECL outputs. The clock outputs are guaranteed over the -40 and +85 degree temperature range, making the device suitable for applications in a variety of environments.

The PI49FCT3807HE supports both dual- and single-ended clock inputs, and the output can be selected to be 2V, 1V or LVTTL based on the clock input. The device also supports a low-noise input module, which can reduce system noise. The device also supports a pre-driver output, which allows the buffer to be used with multiple clock generators. The pre-driver output supports both single-ended and differential outputs.

The PI49FCT3807HE has an adaptive loop based on the reference clock frequency and edge transition. The loop automatically compensates for transmission line differences between the input and output, allowing for improved clock jitter performance. The device also has an adjustable de-skews circuit, which allows for correcting any clock skew introduced in the design. The PI49FCT3807HE is optimized for low power and low jitter performance, but is also suitable for applications requiring high-speed operation.

In summary, the PI49FCT3807HE is a versatile differentail PECL-compatible fan-out buffer, tailored to reduce overall system cost in applications such as routers, switches and docks. It features low power consumption and low jitter, while providing improved signal integrity and features an automatic skew adjustment circuit. The output can be selected to be 2V, 1V or LVTTL based on the clock input, and can be used with multiple clock generators. The PI49FCT3807HE is suitable for any application requiring low-power, low-jitter performance.

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