SI5344A-C-GM

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The SI5344A-C-GM is a clock generator and jitter attenuator employed by contemporary electronic systems. This high-performance silicon oscillator is designed to replace traditional quartz-basedVCOs and clock multipliers in frequency synthesizers,integer-N and fractional-N PLLs, as well as frequency up-and down-conversion applications. The SI5344A-C-GM’s core clock generator operates within a frequency range of 18.000 to 1200.00MHz, providing a highly flexible timing solution which supports the needs of a wide array of applications.

The SI5344A-C-GM boasts several attractive features including better than 0.05ps RMS jitter and exceptional phase noise performance. The hardened input and output buffers have low additive jitter and low additive propagation delay and maintain superior jitter performance even in noisy environments. The device also offers best-in-class jitter attenuation over a wide frequency range, and a low input voltage requirement of 1.62V-2.97V. Various half-power points and spread spectrum option is also on-hand for customer-specific optimizations.

Beyond providing a strong set of features, supporting a wide-range of applications, and enhanced performance characteristics, the SI5344A-C-GM is an easy to use clock generator. It utilizes a 24-bit internal register and a 3-wire serial bus, providing bidirectional communication capabilities as well as easy third-party control and access to the device. The device also supports SPI, I2C, SMBus, PECI and IOW access protocol and commands for efficient customization and control.

The SI5344A-C-GM’s advanced design is engineered to support a wide array of operations and applications. With clock-fail detection and configurable output options plus a range of pin-compatible options, the device serves as an ideal platform for system designers looking to upgrade the performance of their clocking architecture.

In order to understand the basics of how this device operates, it is important to begin with a brief overview of the basic components of a clock generator and their functions. A clock generator is designed to output clock signals to devices within an electronic system. In general, the basic building blocks of a clock generator include a crystal oscillator, a logic circuit and an amplifier. The crystal oscillator is used to generate electrical signals at a given frequency and the logic circuit is employed to divide the clock signal into two identical halves. The amplifier is used to amplify and filter these signals, allowing them to be transmitted more reliably and at a lower frequency. The SI5344A-C-GM combines these components and adds additional features in order to create a more powerful and efficient clock generator.

At the heart of the SI5344A-C-GM is a state-of-the-art frequency synthesizer. The device leverages advanced signal processing techniques to frequency-lock a master clock onto an input reference signal so that it is exactly matched in frequency and phase. The output frequency is then generated from the frequency-locked signal rather than using a VCO or a crystal oscillator. This configuration allows for the generation of very high-frequency clock signals with low jitter, noise, and phase noise.

In addition to the primary components, the SI5344A-C-GM also incorporates several other features to improve performance. It utilizes jitter attenuation to reduce the inherent jitter created by the system, while a numerically-controlled oscillator (NCO) provides extremely high frequency accuracy and resolution. The device also boasts a fully-integrated output buffer which can condition the output signal and ensure proper communication with the rest of the system. Finally, the SI5344A-C-GM utilizes a variety of on-chip configuration options, allowing designers to customize the clock signal for the specific application.

In conclusion, the SI5344A-C-GM is an advanced clock generator and jitter attenuator designed to provide flexible timing solutions for a wide array of applications. Its high-performance silicon oscillator provides exceptional phase noise and jitter performance, while its integration of additional components enables advanced features such as jitter attenuation and numerically-controlled oscillator. The device also boasts a wide selection of configurable output options and bidirectional communication capabilities, allowing designers to easily optimize the clock generator for the desired application. This makes the SI5344A-C-GM an ideal choice for system designers looking to upgrade the performance of their clocking architecture.

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