SM802121UMG中文资料ClockWorks™ 10GbE (156.25MHz), Ultra-Low Jitter, LVPECL Frequency Synthesizer数据手册Microchip规格书

描述 Description

General Description
The SM802121 is a member of the ClockWorks family of devices from Micrel and provides an extremely low-noise timing solution for 10GbE Ethernet clock signals. It is based upon a unique patented RotaryWave® architecture that provides very-low phase noise.
The device operates from a 2.5V or 3.3V power supply and synthesizes an LVPECL output clock at 156.25MHz. The SM802121 accepts a 25MHz crystal or LVCMOS reference clock.

特性 Features

• Generates one LVPECL clock outputs at 156.25MHz
• 2.5V or 3.3V operating range
• Typical phase jitter @ 156.25MHz (1.875MHz to 20MHz): 110fs
• Industrial temperature range
• Green, RoHS-, and PFOS- compliant
• Available in 24-pin 4mm  4mm QFN packageApplications
• 10 Gigabit Ethernet 

简介

SM802121UMG属于集成电路（IC）的时钟发生器PLL频率合成器。由制造生产的SM802121UMG时钟发生器，PLL，频率合成器时钟发生器、PLL 和频率合成器集成电路 (IC) 可为逻辑器件提供参考信号的稳定定时脉冲，这些器件包括计算机、微控制器、数据通信系统和图形/视频发生器。这些集成电路可能包括缓冲器、驱动器、分频器、倍频器、多路复用器、合成器、扇出分配器和预分频器。