MPC9447

MOTOROLA Freescale SEMICONDUCTOR TECHNICAL DATA Semiconductor, Inc. Order Number: MPC9447/D Rev 2, 04/2003 3.3V/2.5V 1:9 LVCMOS Clock Fanout Buffer The MPC9447 is a 3.3V or 2.5V 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. MPC9447 Freescale Semiconductor, Inc... Features 9 LVCMOS Compatible Clock Outputs 2 Selectable, LVCMOS Compatible Inputs Maximum Clock Frequency of 350 MHz Maximum Clock Skew of 150 ps LOW VOLTAGE 3.3 V/2.5 V LVCMOS 1:9 CLOCK FANOUT BUFFER Synchronous Output Stop in Logic Low State Eliminates Output Runt Pulses High--Impedance Output Control 3.3V or 2.5V Power Supply Drives up to 18 Series Terminated Clock Lines Ambient Temperature Range --40_C to +85_C 32 Lead LQFP Packaging FA SUFFIX 32--LEAD LQFP PACKAGE CASE 873A Supports Clock Distribution in Networking, Telecommunications, and Computer Applications Pin and Function Compatible to MPC947 Functional Description MPC9447 is specifically designed to distribute LVCMOS compatible clock signals up to a frequency of 350 MHz. Each output provides a precise copy of the input signal with a near zero skew. The outputs buffers support driving of 50Ω terminated transmission lines on the incident edge: each is capable of driving either one parallel terminated or two series terminated transmission lin...