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

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

Product Options

Orderable Part ID Part Status Pkg. Code Pkg. Type Lead Count (#) Temp. Grade Pb (Lead) Free Carrier Type Buy Sample
MPC9239EI Obsolete PLG28 PLCC 28 C Yes Tube Availability
MPC9239EIR2 Obsolete PLG28 PLCC 28 C Yes Reel Availability

Technical Documentation

Title Other Languages Type Format File Size Date
Datasheets & Errata
MPC9239 Datasheet Datasheet PDF 418 KB Dec 17, 2012
Application Notes & White Papers
AN-828 Termination - LVPECL Application Note PDF 229 KB Jul 5, 2016
AN-831 The Crystal Load curve Application Note PDF 308 KB Sep 22, 2014
AN-844 Termination - AC Coupling Clock Receivers Application Note PDF 82 KB May 12, 2014
AN-842 Thermal Considerations in Package Design and Selection Application Note PDF 403 KB May 11, 2014
AN-835 Differential Input with VCMR being VIH Referenced Application Note PDF 77 KB May 10, 2014
AN-803 Crystal Timing Budget and Accuracy for IDT Timing Clock Products Application Note PDF 44 KB May 7, 2014
AN-840 Jitter Specifications for Timing Signals Application Note PDF 349 KB May 7, 2014
AN-839 RMS Phase Jitter Application Note PDF 149 KB May 6, 2014
AN-838 Peak-to-Peak Jitter Calculations Application Note PDF 32 KB May 6, 2014
AN-834 Hot-Swap Recommendations Application Note PDF 67 KB May 5, 2014
AN-837 Overdriving the Crystal Interface Application Note PDF 50 KB May 5, 2014
AN-836 Differential Input to Accept Single-ended Levels Application Note PDF 37 KB May 5, 2014
AN-832 Timing Budget and Accuracy Application Note PDF 48 KB May 5, 2014
AN-830 Quartz Crystal Drive Level Application Note PDF 59 KB May 4, 2014
AN-827 Application Relevance of Clock Jitter Application Note PDF 1.06 MB Apr 23, 2014
AN-815 Understanding Jitter Units Application Note PDF 476 KB Apr 23, 2014
AN-802 Crystal-Measuring Oscillator Negative Resistance Application Note PDF 52 KB Mar 11, 2014
AN-805 Recommended Ferrite Beads Application Note PDF 38 KB Jan 14, 2014
AN-801 Crystal-High Drive Level Application Note PDF 109 KB Jan 14, 2014
AN-806 Power Supply Noise Rejection Application Note PDF 353 KB Jan 14, 2014
PCNs & PDNs
PCN# N0611-01 Datasheet Change Product Change Notice PDF 17 KB Dec 6, 2006
PCN# : A-0610-02 ASAT China as Alternate Facility for CABGA/CVBGA/FPBGA/TQFP/PQFP Product Change Notice PDF 252 KB Oct 18, 2006

Software & Tools

Title Other Languages Type Format File Size Date
mpc9239 Model - IBIS ZIP 14 KB Oct 26, 2009