IDT5V991A-7JGI

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IDT5V991A-7JGI clock generator is a low-skew, low-jitter, spread spectrum clock generator that is primarily used for high-speed data transmission over electrical and optical data links. It is widely used in applications such as Ethernet and high-speed serial links, where high-speed accurate data transmissions are required. The device is designed to perform data link layer protocols that enable data to be transferred between devices at the desired rate with a minimum of skew and jitter.

The device contains four sections: the analog oscillator, the reference PLL, the output clock driver, and the output pins. The analog oscillator section produces a basic starting signal, which is then fed to the reference PLL circuit. The PLL circuit uses this signal as a reference and multiplies or divides it to produce the desired output frequency. The output clock driver takes the PLL output and converts it into the appropriate drive levels for the output pins.

The device also includes two independent spread spectrum blocks. These blocks can be programmed for frequency modulation, amplitude modulation or both. Spread spectrum modulation helps reduce EMI emissions by spreading their energy over a wider range of frequencies. This helps to reduce electromagnetic interference from nearby electronic devices.

The device has a wide range of frequency output options from 25MHz to 667 MHz and provides differential output levels from LS to HSTL. It also contains several power management features that enable it to operate at low-power levels, allowing for its use in power-sensitive applications. In addition, it has a very low jitter output of 250 femtoseconds, making it suitable for use in high-speed data transmission applications.

The IDT5V991A-7JGI is a versatile device that can be used in applications such as Ethernet switches, ATE testers, server backplanes and industrial Ethernet equipment. It can also be used in devices such as RF modems, cell phones, routers and other devices with low-power, high-speed data transmission requirements. It is a cost-effective solution for those who need an accurate and reliable clock source.

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