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

The MPC97H74 is a 3.3 V compatible, 1:14 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 125 MHz and output skews less than 175 ps the device meets the needs of the most demanding clock applications.


  • 1:14 PLL based low-voltage clock generator
  • 3.3 V power supply
  • Internal power-on reset
  • Generates clock signals up to 125 MHz
  • Maximum output skew of 175 ps
  • Two LVCMOS PLL reference clock inputs
  • External PLL feedback supports zero-delay capability
  • Various feedback and output dividers (see application section)
  • Supports up to three individual generated output clock frequencies
  • Drives up to 28 clock lines
  • Ambient temperature range -40°C to +85°C
  • Pin and function compatible to the MPC974
  • 52-lead Pb-free Package Available

Product Options

Orderable Part ID Part Status Pkg. Code Pkg. Type Lead Count (#) Temp. Grade Pb (Lead) Free Carrier Type Buy Sample
MPC97H74AE Obsolete PPG52 TQFP 52 C Yes Tray

Technical Documentation

Title Other Languages Type Format File Size Date
Datasheets & Errata
MPC97H74 Datasheet Datasheet PDF 187 KB Mar 15, 2016
Application Notes & White Papers
AN-828 Termination - LVPECL Application Note PDF 229 KB Jul 5, 2016
AN-845 Termination - LVCMOS Application Note PDF 62 KB May 12, 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-840 Jitter Specifications for Timing Signals Application Note PDF 349 KB May 7, 2014
AN-834 Hot-Swap Recommendations Application Note PDF 67 KB May 5, 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-805 Recommended Ferrite Beads Application Note PDF 38 KB Jan 14, 2014
PDN#: N-16-02 PRODUCT DISCONTINUANCE NOTICE ON SELECT DEVICES Product Discontinuation Notice PDF 161 KB Mar 6, 2016
PCN# : A1401-02 Alternate Copper Wire Assembly Site Product Change Notice PDF 36 KB Feb 15, 2014
PDN# : N-12-48R2 PRODUCT DISCONTINUANCE NOTICE Product Discontinuation Notice PDF 138 KB Jun 13, 2013
PDN# : N-12-22R2 PRODUCT DISCONTINUANCE NOTICE Product Discontinuation Notice PDF 363 KB Jun 13, 2013
PDN# : N-12-22R1 PRODUCT DISCONTINUANCE NOTICE Product Discontinuation Notice PDF 209 KB Feb 27, 2013
PDN# : N-12-48 PRODUCT DISCONTINUANCE NOTICE Product Discontinuation Notice PDF 93 KB Dec 20, 2012
IDT Clock Distribution Overview 日本語 Overview PDF 3.79 MB Apr 24, 2016