NOTICE - The following device(s) are recommended alternatives:

The MPC9331 is a 3.3 V compatible, 1:6 PLL based clock generator targeted for high performance low-skew clock distribution in mid-range to high-performance telecom, networking, and computing applications. With output frequencies up to 240 MHz and output skews less than 150 ps, the device meets the needs of most the demanding clock applications. The MPC9331 is specified for the temperature range of 0°C to +70°C.


  • 1:6 PLL based low-voltage clock generator
  • 3.3 V power supply
  • Generates clock signals up to 240 MHz
  • Maximum output skew of 150 ps
  • Differential LVPECL reference clock input
  • Alternative LVCMOS PLL reference clock input
  • Internal and external PLL feedback
  • Supports zero-delay operation in external feedback mode
  • PLL multiplies the reference clock by 4x, 3x, 2x, 1x, 4/3x, 3/2x, 2/3x, x/2, x/3
  • or x/4
  • Synchronous output clock stop in logic low eliminates output runt pulses
  • Power_down feature reduces output clock frequency
  • Drives up to 12 clock lines
  • 32-lead LQFP packaging
  • 32-lead Pb-free Package Available
  • Ambient temperature range 0°C to +70°C
  • Internal Power-Up Reset
  • Pin and function compatible to the MPC931

Product Options

Orderable Part ID Part Status Pkg. Type Lead Count (#) Temp. Grade Pb (Lead) Free Carrier Type Buy Sample
Obsolete TQFP 32 C Yes Tray
Obsolete TQFP 32 C Yes Reel

Documentation & Downloads

Title Other Languages Type Format File Size Date
Datasheets & Errata
MPC9331 Datasheet Datasheet PDF 320 KB
Application Notes & White Papers
AN-828 Termination - LVPECL Application Note PDF 322 KB
AN-831 The Crystal Load curve Application Note PDF 395 KB
AN-845 Termination - LVCMOS Application Note PDF 146 KB
AN-844 Termination - AC Coupling Clock Receivers Application Note PDF 170 KB
AN-842 Thermal Considerations in Package Design and Selection Application Note PDF 495 KB
AN-803 Crystal Timing Budget and Accuracy for IDT Timing Clock Products Application Note PDF 128 KB
AN-840 Jitter Specifications for Timing Signals Application Note PDF 442 KB
AN-838 Peak-to-Peak Jitter Calculations Application Note PDF 115 KB
AN-839 RMS Phase Jitter Application Note PDF 233 KB
AN-834 Hot-Swap Recommendations Application Note PDF 153 KB
AN-832 Timing Budget and Accuracy Application Note PDF 131 KB
AN-833 Differential Input Self Oscillation Prevention Application Note PDF 180 KB
AN-836 Differential Input to Accept Single-ended Levels Application Note PDF 120 KB
AN-835 Differential Input with VCMR being VIH Referenced Application Note PDF 160 KB
AN-830 Quartz Crystal Drive Level Application Note PDF 143 KB
AN-827 Application Relevance of Clock Jitter Application Note PDF 1.15 MB
AN-815 Understanding Jitter Units Application Note PDF 565 KB
AN-802 Crystal-Measuring Oscillator Negative Resistance Application Note PDF 136 KB
AN-801 Crystal-High Drive Level Application Note PDF 202 KB
AN-806 Power Supply Noise Rejection Application Note PDF 438 KB
AN-805 Recommended Ferrite Beads Application Note PDF 121 KB
PCN# : A1602-01(R1) Add Greatek Taiwan as Alternate Assembly Product Change Notice PDF 611 KB
PCN# : A1602-01 Add Greatek Taiwan as Alternate Assembly Product Change Notice PDF 611 KB
PCN# : A1401-02 Alternate Copper Wire Assembly Site Product Change Notice PDF 36 KB
PCN# : TB1303-01 Change of Carrier Tape for TQFP-32, TQFP-48 Product Change Notice PDF 472 KB
PDN# : N-12-48 PRODUCT DISCONTINUANCE NOTICE Product Discontinuation Notice PDF 93 KB
PCN# : A-0610-02 ASAT China as Alternate Facility for CABGA/CVBGA/FPBGA/TQFP/PQFP Product Change Notice PDF 252 KB
MPC9331 IBIS Model Model - IBIS ZIP 18 KB