IDT2308B-2DC8

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The IDT2308B-2DC8 is an integrated circuit (IC) specifically designed for use in the Clock/Timing domain. It is a highly integrated, ultra-low phase noise, low jitter frequency synthesizer with an output frequency of 250MHz – 8 GHz. The IDT2308B-2DC8 contains an integrated phase-locked loop (PLL) circuit and multiple clock generation blocks, enabling multi-functionality in a single IC.

The PLL circuit converts an input reference clock signal into many stable output clock signals of different frequencies. The input reference clock signal can be derived from a crystal oscillator, a voltage-controlled oscillator (VCO) or an external clock generator, while the output clock signals can be used to provide a variety of clock outputs. The PLL circuit is designed to provide a low noise, low jitter output over the full operating frequency range.

The IDT2308B-2DC8 contains several internal clock generation blocks, consists of Voltage-Controlled Oscillators (VCOs) at different frequency ranges. These VCOs are used to generate output clock signals by either direct or frequency multiplier configurations, featuring low jitter and low powered consumption. The PLL, VCOs and clock generation blocks form a complete frequency synthesizer which is able to provide multiple output clocks at different frequencies for a variety of applications.

The IDT2308B-2DC8 supports a wide range of applications from telecommunications and datacenter to consumer AV and networking. It supports multiple data transfer speed-grades from 155 Mbps to 40 Gbps. The IC features an accuracy better than 1 ppm and a fast lock time of less than 5 USec. It is compliant with the stringent jitter and noise requirements as specified in PCI Express, SerDes and PON standards. Additionally, the device supports multiple spread spectrum and dynamic power management features to reduce electro-magnetic interference (EMI) and extend the total system power performance.

The IDT2308B-2DC8 is a highly integrated, low-power, and low-cost frequency synthesizer that enables multi-functionality in a single IC. It combines a PLL circuit, VCOs and multiple clock generators to generate a variety of output clock signals for a wide range of applications. The device also provides support for spread spectrum and dynamic power management functions to reduce EMI and extend the total system power performance. In summary, the IDT2308B-2DC8 is an ideal choice for clock and timing applications such as networking, datacenter, consumer AV and telecommunications.

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