ICS951901

Features: • Programmable ouput frequency.• Programmable ouput rise/fall time.• Programmable SDRAM and CPU skew.• Spread spectrum for EMI control typically by 7dB to 8dB,with programmable spread percentage.• Watchdog timer technology to reset system if over-clocking ca...

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ICS951901 Picture
SeekIC No. : 004371322 Detail

ICS951901: Features: • Programmable ouput frequency.• Programmable ouput rise/fall time.• Programmable SDRAM and CPU skew.• Spread spectrum for EMI control typically by 7dB to 8dB,with ...

floor Price/Ceiling Price

Part Number:
ICS951901
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/21

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Product Details

Description



Features:

• Programmable ouput frequency.
• Programmable ouput rise/fall time.
• Programmable SDRAM and CPU skew.
• Spread spectrum for EMI control typically by 7dB to 8dB,with programmable spread percentage.
• Watchdog timer technology to reset system if over-clocking causes malfunction.
• Uses external 14.318MHz crystal.
• FS pins for frequency select



Application

Single chip clock solution for IA platform.


Pinout

  Connection Diagram


Specifications

Supply Voltage . . . . . . . . . . . . . . . . . . .............................. . . . . . . 5.5 V
Logic Inputs . . . . . . . . . . . . . . . . . . . . . . . . . GND 0.5 V to VDD +0.5 V
Ambient Operating Temperature . . . . . . . . ................. . 0°C to +70°C
Case Temperature . . . . . . . . . . . . . . . . . . ........................... . . . 115°C
Storage Temperature . . . . . . . . . . . . . . . . . ....... . . 65°C to +150°C



Description

The ICS951901 is a single chip clock solution for desktop designs using 630S chipsets. It provides all necessary clock signals for such a system.

The ICS951901 belongs to ICS new generation of programmable system clock generators. It employs serial programming I2C interface as a vehicle for changing output functions, changing output frequency, configuring output strength, configuring output to output skew, changing spread spectrum amount, changing group divider ratio and dis/enabling individual clocks. This ICS951901 also has ICS propriety 'Watchdog Timer' technology which will reset the frequency to a safe setting if the system becomes unstable from over clocking.




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