SL28774ELI

Ratio - Input:Output:	1:8
Base Part Number:	SL28774
Supplier Device Package:	32-QFN (5x5)
Package / Case:	32-WFQFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Voltage - Supply:	3.135 V ~ 3.465 V
Frequency - Max:	133MHz
Differential - Input:Output:	No/Yes
Series:	EProClock®
Number of Circuits:	1
Output:	HCSL, LVCMOS
Input:	Crystal
Main Purpose:	Intel CPU Servers
PLL:	Yes
Part Status:	Obsolete
Packaging:	Bulk

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SL28774ELI Application Field and Working Principle

SL28774ELI is a device that is specifically designed for clock and timing applications. It has a variety of features and advanced functions, which makes it the ideal choice for industrial, networking and consumer applications requiring high performance and reliability.The SL28774ELI is designed to provide low frequency clock and timing signals to many different types of applications. It is equipped with different frequency selection inputs and an embedded frequency synthesis circuitry. This allows it to generate wide range of frequency signals without depending on external components. It also has an internal voltage reference and can output various timing signals, including clocks, pulse signals and delay signals.The SL28774ELI working principle is based on a combination of digital and analog techniques. The device is equipped with a digital phase lock loop (DPLL) circuit and an analog frequency synthesis IC. The former is used to synthesize stable low frequency output signals and the latter is used to precisely control the frequency of the output signal. The DPLL also utilizes a circuit with an input reference for monitoring and controlling its output frequencies.When the SL28774ELI is powered, the user selects the desired output frequency from the available selection inputs. The frequency selection input is then sent to the DPLL along with the reference signal from the voltage reference generator. The DPLL then utilizes the reference frequency from the voltage reference generator to synthesize a stable clock signal at the frequency specified. This clock signal is then fed to the frequency synthesis IC to generate the required frequency for the output signal.The analog frequency synthesis IC is used to precisely control the output frequency of the SL28774ELI. It utilizes two different types of frequency multipliers, which are used to differ between low and high frequency outputs. The multipliers are used to multiply the reference frequency which is then fed to the DPLL to generate the output frequency. This allows the user to control the output frequency based on the selection of the frequency multipliers.Once the output frequency is generated and the voltage reference frequency is set, the SL28774ELI can generate signals with a wide range of frequencies. The device is also capable of generating pulse signals, delay signals and even clock signals with different frequency and using different timing algorithms. It is also capable of being programmed to generate different types of clock signals when used with specific programming languages and tools.In conclusion, the SL28774ELI is designed for use in clock and timing applications and is equipped with a variety of features and advanced functions. It is also capable of generating a wide range of frequency signals and other types of signals with different algorithms. It is most suitable for use in industrial, networking and consumer applications requiring high performance and reliability.

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