SI5338B-B-GM

Series:	MultiSynth™
Packaging:	Tray
Part Status:	Active
PLL:	Yes
Main Purpose:	Ethernet, Fibre Channel, PCI Express (PCIe), Telecom
Input:	CML, CMOS, HCSL, HSCL, HSTL, LVDS, LVPECL, SSTL, Crystal
Output:	HCSL, HSTL, LVCMOS, LVDS, LVPECL, SSTL
Number of Circuits:	1
Ratio - Input:Output:	3:4
Differential - Input:Output:	Yes/Yes
Frequency - Max:	350MHz
Voltage - Supply:	1.71 V ~ 3.63 V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	24-VFQFN Exposed Pad
Supplier Device Package:	24-QFN (4x4)
Base Part Number:	SI5338

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Introduction

The SI5338B-B-GM is a Clock/Timing application specific integrated circuit (ASIC), which provides a wide range of application-specific timing solutions. It is a highly integrated device which provides high-performance and reliable clock generation, distribution, and synchronization capabilities with frequencies of up to 250 MHz. It can also be configured in a variety of ways to meet specific application requirements such as source clocking and timing for complex networked systems, low-noise 2.5V oscillators, ultra-low-power microcontrollers, or system-level test and measurement.

Application Fields

In the field of Clock/Timing, the SI5338B-B-GM provides a complete, high-performance integrated solution for design engineers tasked with creating reliable timing solutions for a wide variety of applications. The SI5338B-B-GM is ideal for LAN/WAN, Ethernet, and FPGA applications, providing timing synchronization and clocking of up to 250MHz with very low noise figures. It supports the use of ratiometric techniques to reduce power dissipation, as well as a flexible interface to enable custom, application-specific solutions. The SI5338B-B-GM also provides a complete solution for clock/timing needs in GPS and communications systems, as well as in data centers, instrumentation, and Industrial Automation.

Working Principle

The SI5338B-B-GM is a general-purpose device which provides a wide range of features and capabilities, the primary of which is clock generation and distribution. It incorporates a PLL-based clock synthesizer, and provides flexible support for clock distribution and synchronization across different parts of the system. The device also provides low-noise 2.5V oscillators, programmable voltage dividers, adjustable skew, and 7-bit programmable dividers for ultimate flexibility and customized solutions. The SI5338B-B-GM also features programmable analog characteristics such as drive strength, bias current, and output voltage. Additionally, it includes an ultra-low-power CMOS process which combined with its architecture design, allows for extended battery life in portable applications due to reduced power consumption.

Conclusion

The SI5338B-B-GM is an excellent choice for precise and reliable timing solutions for a wide range of Clock/Timing applications. Its highly-integrated design makes it an ideal solution for design engineers tasked with creating low noise and precise timing synchronization, frequency generation, and distribution of up to 250 MHz. Additionally, its adjustable skew, 7-bit programmable dividers, and programmable voltage dividers make it suitable for a wide range of applications requiring precise and customized timing solutions.

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