9EPRS525 is compliant Intel CK505 Yellow Cover specification. This clock synthesizer provides a single chip solution for Intel desktop chipsets. 9EPRS525 is driven with a 14.318MHz crystal. It also provides a tight ppm accuracy output for Serial ATA and PCI-Express support.

Features

  • 2 - CPU differential low power push-pull pairs
  • 7 - SRC differential push-pull pairs
  • 1 - CPU/SRC selectable differential low power push-pull pair
  • 1 - SRC/DOT selectable differential low power push-pull pair
  • 1 - SRC/SE selectable differential push-pull pair/Single-ended outputs
  • 5 - PCI, 33MHz
  • 1 - USB, 48MHz
  • 1 - REF, 14.318MHz
  • CPU outputs cycle-cycle jitter < 85ps
  • SRC output cycle-cycle jitter < 125ps
  • PCI outputs cycle-cycle jitter < 250ps
  • +/- 100ppm frequency accuracy on all outputs
  • SRC outputs meet PCIe Gen2 when sourced from PLL3
  • Supports spread spectrum modulation, 0 to -0.5% down spread
  • Supports CPU clks up to 400MHz
  • Uses external 14.318MHz crystal, external crystal load caps are required for frequency tuning

Product Options

Orderable Part ID Part Status Pkg. Type Lead Count (#) Temp. Grade Pb (Lead) Free Carrier Type Package Buy Sample
9EPRS525AGILF Active TSSOP 56 I Yes Tube Package Info
Availability
9EPRS525AGILFT Active TSSOP 56 I 1 Reel Package Info
Availability
9EPRS525AGLF Active TSSOP 56 C Yes Tube Package Info
Availability
9EPRS525AGLFT Active TSSOP 56 C Yes Reel Package Info
Availability

Documentation & Downloads

Title Other Languages Type Format File Size Date
Datasheets & Errata
9EPRS525 Data sheet Datasheet PDF 247 KB
Application Notes & White Papers
AN-828 Termination - LVPECL Application Note PDF 322 KB
AN-879 Low-Power HCSL vs Traditional HCSL Application Note PDF 235 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-827 Application Relevance of Clock Jitter Application Note PDF 1.15 MB
AN-815 Understanding Jitter Units Application Note PDF 565 KB
AN-808 PCI Express/HCSL Termination Application Note PDF 137 KB
AN-805 Recommended Ferrite Beads Application Note PDF 121 KB
Downloads
9eprs525 Model - IBIS ZIP 23 KB
Other
Timing Solutions Products Overview Overview PDF 4.11 MB
IDT Clock Generation Overview 日本語 Overview PDF 1.83 MB
IDT Clock Distribution Overview 日本語 Overview PDF 3.79 MB