IDT2308B-1HDC8

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The IDT2308B-1HDC8 is a highly integrated clock generator and PLL integrated circuit that is designed to generate a wide range of low-skew, low-jitter clocks for high-speed data transmission systems. With eight outputs, this device can generate multiple clock frequencies from a single reference clock and provide outputs with jitter as low as 1.2ps RMS. This high-performance device is suitable for applications ranging from enterprise networks to communications and storage systems.

The IDT2308B-1HDC8 is a Frequency Synthesizers designed for applications requiring multiple clocks from a single source. The device is designed for a wide range of frequency ranges that starts from 156 MHz and can extend up to 622 MHz. It also comprises an on-chip voltage-controlled crystal oscillator (VCXO), crystal, and an integrated PLL. This PLL is used to synthesize the output clocks from a single input reference.

The device uses a divide by N and multiply by m technique to generate different frequency outputs from the reference input. N and m are integers and are programmed in the device\'s configuration registers. This enables the user to select the output frequency range and jitter performance with flexibility. The device provides maximum frequency separation of 1.0 times the reference frequency with a minimum frequency stepping of 0.25% of the reference frequency.

The IDT2308B-1HDC8 also provides an integrated phase and frequency detector (PFD) and charge pump to provide a regulated loop for the PLL and facilitate low-jitter operation. It features a programmable loop filter for fine-tuning the PLL loop bandwidth for optimal jitter performance. The on-chip crystal oscillator (XO) provides improved stability and accuracy of the device compared to the traditional clock synthesizers.

With comprehensive power saving modes and safeguards, the IDT2308B-1HDC8 is ideal for applications demanding high clock accuracy and jitter performance while ensuring low power consumption. The device is available in a small 48-pin QFN package, making it ideal for space-constrained environments.

In summary, the IDT2308B-1HDC8 is an ideal Frequency Synthesizers for applications requiring multiple low-skew, low-jitter, high-speed clocks from a single reference clock. It offers an integrated PLL, VCXO, phase and frequency detector and a programmable loop filter for fine-tuning the loop bandwidth, making it ideal for precise frequency synthesis. The device also provides extensive power saving modes, making it ideal for low power applications.

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