83918AYILF

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Clock/Timing - Clock Buffers, Drivers, AYILF 83918 is a single chip programmable IC clock multiplier consisting of a phase-locked loop (PLL) for the purpose of controlling the frequency of a clock signal. It provides a wide variety of programmability, flexible clock phases and output options, enabling designers to get the best performance out of their system.

AYILF 83918 is capable of providing low jitter outputs ranging from 125MHz to 500MHz. It multiplies an incoming clock signal by a programmed multiplication factor and generates a new frequency output. The available multiplication factors are x2, x3, x4, x5, x6 and x8. Additionally, the clock frequency can be doubled or divided depending on the complexity of the application.

AYILF 83918 is designed for applications such as managing system clock speeds, generating multiple clock frequencies for memory, I/O, and video applications. It can also be used for fan-out from a single clock source, reducing number of clock drivers required in a system. The output drivers provided by the Buffers/Drivers can minimize skews in on-chip clocks, reduce system jitter, and help designers meet their jitter requirements.

The clock multiplier can be programmed from a simple serial interface (SPI) to produce different multiplications, division, and time division multiplexing (TDM). This can enable different settings for different applications as clocks in high speed applications change frequently. The serial interface can also be used to read status information and to monitor other functions such as power down and temperature sensing.

The input clock of AYILF 83918 can be up to 250MHz in high speed configurations. The low-speed configurations are suitable for input frequencies up to 80MHz. Its output buffers operate up to 5V VDD, eliminating the need for external level shifters. The IC also provides a wide range of power down modes and can keep track of the status and configuration of the clock when power is reasserted. These features make the AYILF 83918 suitable for a variety of low power applications.

The chip operates in a wide range of temperatures from -40 to 85°C and can tolerate supply drift of up to 0.5%. This temperature range and supply tolerance make AYILF 83918 well suited for automotive, telecom, military, and other industrial applications where long-term reliability and environmental robustness is needed. The chip also meets stringent electromagnetic interference (EMI) requirements to ensure it does not affect other components in the system.

In addition to providing low jitter outputs, AYILF 83918 can also detect the presence of an input clock signal. This can be useful for applications such as cable transmission, where the presence of an input signal needs to be checked before it can be accepted and amplified. The chip can also detect whether an input frequency is too slow or too fast, giving the user the ability to make decisions on what to do with the signal.

AYILF 83918 has a wide range of features and capabilities, making it ideal for a variety of applications ranging from high speed clocks to fan-out of a single clock source. Its low power capabilities, wide temperature range, and programmability make it an ideal solution for a variety of low power applications. With its multiple output options and programmability, AYILF 83918 can provide flexible clock control, enabling designers to get the best performance out of their system.

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