基于MPC97H73的简介及电路设计

字数:7936.页数:24

 摘要                     
 简要介绍介绍了低压时钟发生器MPC97H73的功能、内部结构、引脚排列及典型的应用电路. MPC97H73是3.3v兼容的,1:12PLL基于分配在中频段到高性能网络,计算和电信系统的高性能,低失真的时钟发生器. 输出频率高达240兆赫,输出量的失真小于250每秒,符合应用需要的最严格的时钟要求.
 
 关键字：     时钟发生器              锁相环技术
               外部环路滤波器           反馈
 
 Abstract
 It briefly introduced The low-voltage clock generator MPC97H73 microcontroller function, internal structure, pin array and typical apply circuit. The MPC97H73 is a 3.3V compatible, 1:12 PLL based clock generator targeted for high performance low-skew clock distribution1 in mid-range to high-performance networking, computing and telecom applications. With output frequencies up to 240 MHz and output skews less than 250 ps the device meets the needs of the most demanding clock applications.
 
Key word:   clock generator      PLL technology
              External loop filter    feedback

目录
一.MPC97H73芯片简介.................................................................4
1芯片特点...........................................................................4
2芯片功能描述.......................................................................4
二.芯片封装与引脚功能...............................................................5
 三. 内部结构与工作原理............................................................11
 1. MPC97H73的结构.................................................................11
2. MPC97H73的输出时钟截止电路......................................................13
3. SYNC输出描述....................................................................14
4. 电源滤波........................................................................15
四.应用电路设计....................................................................15
1. 在零延迟应用软件中使用MPC97H93..................................................15
2. 部分到部分的失真计算............................................................16
3. 驱动传输线路....................................................................18
五. 外型尺寸(52脚LQFB封装).........................................................22
六. 总结...........................................................................24
七.参考文献........................................................................24

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