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ICS9FG104 Datasheet Programmable Ftg For Differential P4tm Cpu

Manufacturer: Integrated Circuit Systems

Overview: .. Integrated Circuit Systems, Inc. ICS9FG104 Programmable FTG for Differential P4TM CPU, PCI-Express & SATA Clocks Remended Application: Pin Configuration Frequency Timing Generator for Differential CPU & SATA.

Datasheet Details

Part number ICS9FG104
Manufacturer Integrated Circuit Systems
File Size 206.32 KB
Description Programmable FTG for Differential P4TM CPU
Datasheet ICS9FG104_IntegratedCircuitSystems.pdf

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 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 IN IN IN IN OUT OUT PWR PWR OUT OUT IN IN OUT PWR PWR DESCRIPTION Crystal input or Reference Clock input Crystal output, Nominally 14.318MHz Power supply, nominal 3.3V Ground pin.

Reference Clock output F

Key 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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ICS9FG104 Distributor