CDCU877ZQLR

Ratio - Input:Output:	1:10
Base Part Number:	CDCU877
Supplier Device Package:	52-BGA MICROSTAR JUNIOR (7x4.5)
Package / Case:	52-VFBGA
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Voltage - Supply:	1.7 V ~ 1.9 V
Frequency - Max:	400MHz
Differential - Input:Output:	Yes/Yes
Series:	--
Number of Circuits:	1
Output:	SSTL-18
Input:	SSTL-18
Main Purpose:	Memory, DDR2
PLL:	Yes
Part Status:	Active
Packaging:	Tape & Reel (TR)

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IntroductionCDCU877ZQLR is an application specific device developed to provide timing and synchronization functions in various applications. It is specifically designed for use in embedded systems where time and frequency management is critical for reliable performance. The device is fully compatible with Intel microprocessors and provides advanced synchronization and timing capabilities in a highly integrated solution. It is an ideal solution for timing and synchronization issues when used in conjunction with other components in an application.FeaturesCDCU877ZQLR is a highly programmable clock synthesizer that offers a wide range of different synchronization and timing functions. It provides multiple outputs, including differential and universal outputs, in various frequency ranges from 10 MHz to 166 MHz. It provides an integrated phase-locked loop (PLL) with programmable feedback ratio, multiple integer and fractional divider blocks as well as an optional temperature compensated crystal oscillator (TCXO). The device is able to synchronize two input clocks and offer multiple mini-delay options, allowing for clock compensation in the range of +/-2,000ns. It also features power saving modes, including dynamic switching in and out of a power saving mode.ApplicationsCDCU877ZQLR is primarily designed to provide advanced synchronization and timing functions in embedded systems. It is an ideal solution for applications where timing and frequency management is critical for reliable performance. Examples include networking equipment, telecommunications, digital video processing, and industrial automation.The device is also suitable for use in a wide range of other applications. Some examples include audio and video recording, secure communication protocols, automated data processing, and automotive applications.Working PrincipleCDCU877ZQLR works by taking a main system clock, such as a crystal oscillator, and using a phase locked loop (PLL) to create multiple different outputs. These outputs can be used for various synchronization and timing requirements. The device is able to synchronize and phase-align two input clocks, enabling precise clock compensation in the range of +/-2,000ns.The device is composed of several components, including a phase lock loop, dividers and multiplexers. The oscillator is then used to drive the PLL, which will provide the necessary frequency division, phase shifting and other features to generate the required timing signals. The multiplexers can be used to select different clock signals to provide the desired timing functions.ConclusionCDCU877ZQLR is an application specific device designed to provide timing and synchronization functions in various embedded systems and other applications. It offers several features, including advanced synchronization and timing capabilities in a highly integrated solution, an integrated PLL with programmable feedback ratio, multiple integer and fractional divider blocks, as well as an optional temperature compensated crystal oscillator. It is an ideal solution for applications where timing and frequency management is critical for reliable performance and allows for precise clock compensation in the range of +/-2,000ns.

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