The Freescale Semiconductor, Inc. MPC9447 is a 3.3 V or 2.5 V compatible, 1:9 clock

fanout buffer targeted for high performance clock tree applications. With output frequencies up

to 350 MHz and output skews less than 150 ps, the device meets the needs of most demanding

clock applications.

Features

• 9 LVCMOS Compatible Clock Outputs

• 2 Selectable, LVCMOS Compatible Inputs

• Maximum Clock Frequency of 350 MHz

• Maximum Clock Skew of 150 ps

• Synchronous Output Stop in Logic Low State Eliminates Output Runt Pulses

• High-Impedance Output Control

• 3.3 V or 2.5 V Power Supply

• Drives up to 18 Series Terminated Clock Lines

• Ambient Temperature Range -40C to +85C

• 32-Lead LQFP Packaging, Pb-free

• Supports Clock Distribution in Networking, Telecommunications, and Computer

Applications

• Pin and Function Compatible to MPC947

• For drop in replacement use 83947AYILN

MPC9447属于集成电路（IC） > 时钟缓冲器，驱动器。瑞萨科技有限公司制造生产的MPC9447时钟缓冲器，驱动器时钟缓冲器和驱动器集成电路产品族中的产品用于帮助信号在系统中传输，常用作频率/时间参考信号，以同步系统内的活动。尽管这些器件最常用到的功能就是缓冲（即，为使信号不受驱动负载的影响而从某个信号源复制信号），但是该产品族中的某些器件还能执行其他功能，例如选择性改变缓冲信号路径、按某个整数值分割信号频率，或进行所用电信号格式转换。