SI53302-B-GMR

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The SI53302-B-GMR is an ultra-low jitter clock generator from Silicon Labs. It integrates an industry-leading jitter-attenuating Shadow Interlock phase-locked loop (PLL) with a low jitter clock multiplier, generating single-ended clock outputs of up to 250 MHz. The PLL has a wide operating range of frequencies from 2 kHz to 400 MHz and accepts very low input frequencies up to 32 kHz, covering both LVCMOS and differential clocks. The device is ideal for use in system timing solutions with applications in network synchronization, telecommunications, datacom, recorders/players, and computer/memory systems.

The SI53302-B-GMR is a general-purpose clock buffer and driver. It has three separate clock outputs, each with its own buffering and spacing control. The device includes adjustable drive strength control for low power applications as well as short-term current limiting for over-current protection.

The SI53302-B-GMR device’s innovative Shadow Interlock phase-locked loop (PLL) technology helps it achieve very low phase noise performance and wide frequency-lock range while consuming very low power. The low phase noise performance makes it possible to generate ultra-stable clocks with reduced system jitter, which helps to improve latency, signal integrity, and system timing fidelity. The device provides strong signal dispersal and damping characteristics, ensuring proper system operation even under extreme noise conditions.

In addition to its low-power operation and low phase noise, the SI53302-B-GMR includes additional features that make it ideal for applications involving multiple clock domains. It can accommodate clocks operating at different frequencies and can be used for a variety of applications, including jitter clean-up, clock distribution, and timing correction. The device can also be used to generate multiple simultaneous outputs from a single clock source. It offers a wide frequency range and a wide variety of output formats, making it suitable for applications in a wide range of industries.

The SI53302-B-GMR provides a wide variety of features and functions to support applications requiring precise timing. The device is based on a proven Silicon Labs clock and timing technology, offering excellent jitter characteristics and the ability to deliver the precise clocks required by many advanced electronic systems. The device is designed to reduce total system cost by providing a wide range of input and output clock frequencies, eliminating the need to purchase multiple clock sources to achieve the desired operating frequency range.

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