SI5345D-D-GMR

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The SI5345D-D-GMR is a single-chip Clock/Timing solution designed to meet requirements for high-accuracy frequency synthesis and clock distribution. It is based on an integer-N fractional-N fractional-N synthesis engine, which allows for the ability to generate ultra-low jitter frequencies that are typically achieved only with higher cost standalone components. The SI5345D-D-GMR also has the ability to generate any output frequency within the range of 8 MHz to 890 MHz , and can easily be programmed with a few lines of code. It is designed with a low phase-noise crystal oscillator, offering minimal board-level components, and a stable and accurate clock output.

The SI5345D-D-GMR offers a wide range of features for low-scale and high-accuracy clock/timing applications, such as clocking and controlling reference clocks, which are required for communication and synchronization protocols in high-speed networks, and providing the required clock frequencies for clock generation and distribution applications. The device also provides DDR4/RS-DDR4 synchronization for server and client applications.

The SI5345D-D-GMR has multiple outputs, which are all synchronized to a single master clock, allowing for a variety of combinations to meet any clock/timing application. It is designed to generate frequencies with precisions up to 10 Femtosecond (1e-15) and provides jitter of 1 picosecond (1e-12). The device also employs a voltage controlled oscillator (VCO) which allows the output frequency to be accurately tuned by applying an external control voltage. The device also allows for dynamic frequency scaling and strobing, which can be used to adjust the frequency and timing parameters of the output signals.

The SI5345D-D-GMR supports frequency synthesis and clock distribution for a variety of different systems. It is capable of targeting low jitter clock sources from single-ended to differential, as well as maintaining multiple clock domains with independent delays. The device also features a synthesized mode where the output frequency can be multiplied with a configurable clock multiplier to target the desired frequency output.

The SI5345D-D-GMR also features programmable on-chip delay lines that can be used to control the phase relationships between the multiple output clocks, allowing for a wide range of precision timing control. In addition, the device has integrated configurable power and reset pin control, as well as a flexible output formatting interface to provide flexibility in system design.

The SI5345D-D-GMR also offers diagnostic tools, such as alarm and counters to report any system anomalies and help trouble-shoot any potential issues. The device also has built-in sequencing logic to control the clock-tree and delay-lines, helping reduce system level complexity and improve overall design productivity.

Overall, the SI5345D-D-GMR is a comprehensive Clock/Timing solution designed to meet requirements for high-accuracy frequency synthesis and clock distribution. With its wide range of features and integrated diagnostic features, it is an ideal solution for a variety of clock/timing applications requiring a low-scale and high-accuracy clock/timing source.

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