MPC9239

Freescale Semiconductor Technical Data MPC9239 Rev. 3, 08/2005 900 MHz Low Voltage LVPECL Clock Synthesizer The MPC9239 is a 3.3 V compatible, PLL based clock synthesizer targeted for high performance clock generation in mid-range to high-performance telecom, networking, and computing applications. With output frequencies from 3.125 MHz to 900 MHz and the support of differential LVPECL output signals the device meets the needs of the most demanding clock applications. Features 3.125 MHz to 900 MHz synthesized clock output signal Differential LVPECL output LVCMOS compatible control inputs On-chip crystal oscillator for reference frequency generation Alternative LVCMOS compatible reference input 3.3 V power supply Fully integrated PLL Minimal frequency overshoot Serial 3-wire programming interface Parallel programming interface for power-up 28 PLCC and 32 LQFP packaging 28-lead and 32-lead Pb-free package available SiGe Technology Ambient temperature range 0°C to + 70°C Pin and function compatible to the MC12439 MPC9239 900 MHz LOW VOLTAGE CLOCK SYNTHESIZER FN SUFFIX 28-LEAD PLCC PACKAGE CASE 776-02 EI SUFFIX 28-LEAD PLCC PACKAGE Pb-FREE PACKAGE CASE 776-02 FA SUFFIX 32-LEAD LQFP PACKAGE CASE 873A-04 AC SUFFIX 32-LEAD LQFP PACKAGE Pb-FREE PACKAGE CASE 873A-04 Functional Description The internal crystal oscillator uses the external quartz crystal as the basis of its frequency reference. The frequency of the internal crystal oscillator or exte...