The 9FGP204 is a peripheral clock for Intel Servers. It is driven with a 25MHz crystal. An SMBus interface allows full control of the device.


  • 1 - 0.7V HCSL differential CPU pair @ 100MHz default
  • 1 - 0.7V HCSL differential DOT 96MHz pair
  • 6 - 50MHz 3.3V LVTTL outputs
  • 2 - 125MHz 3.3V LVTTL outputs
  • 1 - 33.33MHz 3.3V LVTTL output
  • 2 - 25MHz REF 3.3V LVTTL outputs
  • 1 - 32.768KHz 3.3V LVTTL output
  • 2 - Selectable SMBus addresses


Title language Type Format File Size Date
star 9FGP204 Datasheet
PDF 213 KB
AN-828 Termination - LVPECL
Application Note
PDF 322 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-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-815 Understanding Jitter Units
Application Note
PDF 565 KB
AN-827 Application Relevance of Clock Jitter
Application Note
PDF 1.15 MB
AN-805 Recommended Ferrite Beads
Application Note
PDF 121 KB
AN-808 PCI Express/HCSL Termination
Application Note
PDF 137 KB
IDT Clock Generation Overview
PDF 1.83 MB
PCN# : A1904-01 Add Greatek, Taiwan as an Alternate Assembly Facility
Product Change Notice
PDF 983 KB
PCN# : A1611-02 Add JCET China as Alternate Assembly and Change of Material Set at Alternate Assembly Location
Product Change Notice
PDF 583 KB
PCN# : TB1504-01R1 Qty per Reel Standardization for Selective Packages
Product Change Notice
PCN# : TB1504-01 Qty per Reel Standardization for Selective Packages
Product Change Notice
PCN# : TB1311-01 New Carrier Tape on VFQFPN-28, VFQFPN-40, VFQFPN-48
Product Change Notice
PDF 790 KB
PCN# : A1305-01 Gold Wire to Copper Wire
Product Change Notice
PDF 148 KB