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ICS952621 - Programmable Timing Control Hub

General Description

PIN # 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 PIN NAME FS_A/REF1 FS_B/REF0 VDDREF X1 X2 GND PCICLK_F0 PCICLK_F1 PCICLK_F2 VDDPCI GND PCICLK0 PCICLK1 PCICLK2 PCICLK3 VDDPCI GND PCICLK4 PCICLK5 PD# 48MHz_DOT

Key Features

  • 2 - 0.7V current-mode differential CPU pairs.
  • 1 - 0.7V current-mode differential CPU pairs for ITP.
  • 1 - 0.7V current-mode differential SRC pair.
  • 9 - PCI (33MHz), including 3 free running PCI.
  • 1 - USB, 48MHz.
  • 1 - DOT, 48MHz.
  • 2 - REF, 14.318MHz.
  • 3 - 3V66, 66.66MHz.
  • 1 - 3V66/VCH, selectable 48MHz or 66MHz Features/Benefits:.
  • Supports tight ppm accuracy clocks for Serial-ATA.
  • Supports spread spectrum.

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Datasheet Details

Part number ICS952621
Manufacturer ICS
File Size 240.09 KB
Description Programmable Timing Control Hub
Datasheet download datasheet ICS952621 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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www.DataSheet4U.com Integrated Circuit Systems, Inc. ICS952621 Programmable Timing Control Hub™ for Next Gen P4™ processor Recommended Application: CK409 48-pin part Output Features: • 2 - 0.7V current-mode differential CPU pairs • 1 - 0.7V current-mode differential CPU pairs for ITP • 1 - 0.7V current-mode differential SRC pair • 9 - PCI (33MHz), including 3 free running PCI • 1 - USB, 48MHz • 1 - DOT, 48MHz • 2 - REF, 14.318MHz • 3 - 3V66, 66.66MHz • 1 - 3V66/VCH, selectable 48MHz or 66MHz Features/Benefits: • Supports tight ppm accuracy clocks for Serial-ATA • Supports spread spectrum modulation, 0 to -0.5% down spread and +/- 0.25% center spread • • • Supports CPU clks up to 400MHz in test mode Uses external 14.