ICS8431AM-21LF

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The ICS8431AM-21LF is a highly integrated communications clock generator IC, based on a programmable, low-power phase-locked loop (PLL) circuit. It is designed for a variety of advanced communications clock applications, including: communications protocol converters, DSL, Ethernet and other high-speed data communication networks, as well as for use in monitoring, control, measurement and telecommunications systems.

The main features of the ICS8431AM-21LF are its wide operating temperature range, and its ability to support a range of communications protocol converters, such as Ethernet, SONET/SDH, XAUI, PCIe and SATA. Its integrated oscillator module provides an impressive jitter range of 10, 20 and 30 picoseconds (ps). The chip is also highly configurable, allowing for both single-ended and differential clock input and output, multiplexing, spread spectrum, and synchronization features.

The working principle of the ICS8431AM-21LF is based on the PLL which is used for precise frequency and phase control of the output clock signals. The chip contains an internal clock generator, two VCOs, one reference clock multi-plexer, and two PFD/CP blocks. The chip is capable of supporting both single-ended and differential clock inputs, and of driving outputs according to a variety of different frequency synthesizers.

The ICS8431AM-21LF can be configured to generate clocks from 31.25kHz to 2.4GHz. It also has a range of supporting features, such as clock synchronizing, frequency synthesizing and jitter attenuation. The chip also supports spread spectrum operation, allowing it to minimize the impact of noise interference in high-frequency applications.

The ICS8431AM-21LF is well-suited for a wide range of applications, primarily in communications protocol converters and data communication networks. It is also suitable for various types of monitoring and measurement applications. The chip is primarily used to generate signals with a high degree of accuracy and stability, and to minimize jitter issues in high-speed applications.

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