DS1086LU+T

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The DS1086LU+T is a digital output prescaler chip manufactured by Texas Instruments that combines a high-performance frequency synthesizer with a dual modulus prescaler and a fixed-frequency oscillator. It offers a wide range of applications in clock/timing applications, including clock generators, PLLs, frequency synthesizers, and more.

The chip utilizes an advanced closed loop technique to generate two distinct output frequencies that are synchronized with a reference frequency. It has the ability to generate both a clock frequency (FCO) and a data synchronization rate (FS) which are independently tunable over a wide range of frequencies. This is accomplished via a dual modulus prescaler with selectable divider ratios and two independent phase-locked loops that are respectively tuned to the FCO and FS frequencies.

The DS1086LU+T offers several features for design flexibility. It has an adjustable duty cycle range of 25% to 75% for a given clock output frequency, and an adjustable data synchronization rate from 10 KHz to 200 MHz. Additionally, the chip provides an auxiliary output feature which can create a clock signal that is offset from the main clock.

The chip supports a variety of different clock input sources, including crystal oscillators and external clocks. It can be used in both single-ended and differential-ended input configurations and supports both LVCMOS and LVDS output levels.

The DS1086LU+T also has several performance-enhancing features. It offers a phase noise specification of -115 dBc/Hz at a 10 KHz offset, as well as low phase jitter, and tight control of the duty cycle and data synchronization rates. The chip also features integrated synchronized bypass and power down modes, which can be used to reduce power consumption and improve system efficiency.

In conclusion, the DS1086LU+T is a versatile clock/timing chip, ideal for use in a variety of clock/timing applications, such as clock generators, PLLs, frequency synthesizers and more. Its unique combination of features makes it highly suitable for a variety of different designs and applications.

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