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ICS9FG104 - Programmable FTG for Differential P4TM CPU

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 PIN NAME XIN/CLKIN X2 VDD GND REFOUT FS2 DIF_3 DIF_3# VDD GND DIF_2 DIF_2# SDATA SCLK DIF_STOP# SPREAD SEL14M_25M# DIF_1# DIF_1 GND VDD DIF_0# DIF_0 FS1 FS0 IREF PIN TYPE IN OUT PWR IN OUT IN OUT OUT PWR PWR OUT OUT I/O

Features

  • VDD 3.
  • Generates common CPU frequencies from 14.318 GND 4 MHz or 25 MHz REFOUT 5.
  • Crystal or reference input FS2 6.
  • 4 - 0.7V current-mode differential output pairs DIF_3 7.
  • Supports Serial-ATA at 100 MHz DIF_3# 8 VDD 9.
  • Two spread spectrum modes: 0 to -0.5 downspread and +/-0.25% centerspread GND 10 DIF_2 11.
  • Unused inputs may be disabled in either driven or HiZ state for power management. DIF_2# 12.
  • M/N Programming SDATA 13 SCLK 14.

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Datasheet Details

Part number ICS9FG104
Manufacturer Integrated Circuit Systems
File Size 206.32 KB
Description Programmable FTG for Differential P4TM CPU
Datasheet download datasheet ICS9FG104 Datasheet

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Full PDF Text Transcription (Reference)

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www.DataSheet4U.com Integrated Circuit Systems, Inc. ICS9FG104 Programmable FTG for Differential P4TM CPU, PCI-Express & SATA Clocks Recommended Application: Pin Configuration Frequency Timing Generator for Differential CPU & SATA XIN/CLKIN 1 clocks X2 2 Features: VDD 3 • Generates common CPU frequencies from 14.318 GND 4 MHz or 25 MHz REFOUT 5 • Crystal or reference input FS2 6 • 4 - 0.7V current-mode differential output pairs DIF_3 7 • Supports Serial-ATA at 100 MHz DIF_3# 8 VDD 9 • Two spread spectrum modes: 0 to -0.5 downspread and +/-0.25% centerspread GND 10 DIF_2 11 • Unused inputs may be disabled in either driven or HiZ state for power management.
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