MPC9772集成電路（IC）的時鐘發(fā)生器PLL頻率合成器規(guī)格書PDF中文資料

The MPC9772 is a 3.3 V compatible, 1:12 PLL based clock generator targeted

for high performance low-skew clock distribution 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.

Features

? 1:12 PLL Based Low-Voltage Clock Generator

? 3.3 V Power Supply

? Internal Power-On Reset

? Generates Cock Signals Up to 240 MHz

? Maximum Output Skew of 250 ps

? On-Chip Crystal Oscillator Clock Reference

? Two LVCMOS PLL Reference Clock Inputs

? External PLL Feedback Supports Zero-Delay Capability

? Various Feedback and Output Dividers (See Applications Information

Section)

? Supports Up to Three Individual Generated Output Clock Frequencies

? Synchronous Output Clock Stop Circuitry for Each Individual Output for

Power Down Support

? Drives Up to 24 Clock Lines

? Ambient Temperature Range 0?C to +70?C

? Pin and Function Compatible To the MPC972

? 52-Lead Pb-Free Package

? For drop in replacement use 87972DYI-147