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Part Number: ICS94211
Description: The ICS94211 is a single chip clock solution for desktop designs using the BX/Apollo Pro133/ALI 1631 s...
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ICS94211
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DataSheet
General Description
ICS94211 General Description
The ICS94211 is a single chip clock solution for desktop designs using the BX/Apollo Pro133/ALI 1631 style chipset. It provides all necessary clock signals for such a system.
The ICS94211 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 device also has ICS propriety 'Watchdog Timer' technology which will reset the frequency to a safe setting if the system become unstable from over clocking.
ICS94211 Maximum Ratings
Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.0 V
Logic Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GND 0.5 V to VDD +0.5 V
Ambient Operating Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to +70
Case Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65 to +150
Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. These ratings are stress specifications only and functional operation of the device at these or any other conditions above those listed in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect product reliability.
ICS94211 Features
• Programmable ouput frequency.
• Programmable ouput rise/fall time.
• Programmable PCICLK, PCICLK_F, SDRAM skew.
• Real time system reset output
• 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
ICS94211 Connection Diagram
ICS94211
PDF/DataSheet Download
- Datasheet: ICS94211
- File Size: 368323 KB
- Manufacturer: ICST [Integrated Circuit Systems]
- Click here to Download
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