SI5315B-C-GMR

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The SI5315B-C-GMR is a silicon clock generator that enables the insertion of improved jitter performance and low phase noise into an oscillator system. Specifically, this generator is useful in systems that require the integration of clock signals with high accuracy over a wide temperature range. The SI5315B-C-GMR is ideal for applications such as CEPT and PSTN compliant telecom systems, clock synchronization and synchronization, wireless communication systems and wireless base stations.

The SI5315B-C-GMR, which operates from a 1.2V supply voltage, offers a wide range of features, including low jitter operation and tight frequency accuracy over a wide temperature range. It supports input frequencies up to 128MHz and is capable of providing outputs up to 6 differential outputs with a single supply voltage. The integrated Programmable Tilt Control capability enables it to compensate for the variation of frequency and phase relationship between its outputs over a wide temperature range. Furthermore, the SI5315B-C-GMR also supports programmable output slew rate, power save mode, dual frequency and dual divider mode, which can provide an extended range of frequencies and phase relationship between outputs.

The SI5315B-C-GMR incorporates an advanced phase-locked loop (PLL) technology to precisely control the frequency synthesis and phase relationships of its outputs. The PLL is composed of reference clock input, programmable dividers and phase frequency detectors. The reference clock input receives a clock signal that is used as the reference frequency for the PLL circuit. The reference frequency is divided by the programmable dividers to generate internal reference frequencies for the phase frequency detector.

The phase frequency detector compares the frequency and phase relationship of the reference frequency with that of the divided frequency from the programmable dividers. An error signal is generated which is used to adjust the PLL tuning voltage to correct the comparison. The correct tuning voltage is then fed back to the VCO (Voltage Control Oscillator) to generate an output clock. The generated output clock is then fed to the subsequent outputs for synchronization.

The SI5315B-C-GMR is capable of providing up to 6 differential outputs with frequencies up to 128MHz, allowing users to generate clock signals with precise frequency and phase relationship in highly accurate GbE (Gigabit Ethernet) links. In addition, its extended programmable output slew rates enable designers to meet stringent requirements of PCIe (Peripheral Component Interconnect Express) applications. Moreover, the device offers power save mode, dual frequency and dual divider mode to increase system performance and reduce system power consumption.

The SI5315B-C-GMR is a high-performance clock generator that is designed to provide precise and reliable clock signals with improved jitter performance and low phase noise. It is ideal for applications that require clock synchronization over a wide temperature range and enables designers to meet the stringent requirements of systems such as CEPT and PSTN compliant telecom systems, clock synchronization and synchronization, wireless communication systems and wireless base stations.

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