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ICS9248-110

Integrated Circuit Systems
Part Number ICS9248-110
Manufacturer Integrated Circuit Systems
Description Frequency Generator & Integrated Buffers
Published Oct 7, 2005
Detailed Description Integrated Circuit Systems, Inc. ICS9248-110 AMD-K7TM System Clock Chip Recommended Application: AMD-K7 based systems ...
Datasheet PDF File ICS9248-110 PDF File

ICS9248-110
ICS9248-110

Overview
Integrated Circuit Systems, Inc.
ICS9248-110 AMD-K7TM System Clock Chip Recommended Application: AMD-K7 based systems Output Features: • 3 differential pair open drain CPU clocks (2.
7V external pull-up; up to 150MHz achieviable through I2C) • 2 - AGPCLK @ 3.
3V • 8 - PCI @3.
3V, including 1 free running • 1 - 48MHz @ 3.
3V • 1 - 24/48MHz @ 3.
3V • 2- REF @3.
3V, 14.
318MHz.
Features: • Up to 150MHz frequency support • Support power management: CPU, PCI, stop and Power down Mode from I2C programming.
• Spread spectrum for EMI control -0.
5% down spread • Uses external 14.
318MHz crystal • FS pins for frequency select Key Specifications: • CPU – CPU: <250ps • AGP-AGP: <250ps • PCI – PCI: <400ps • CPU - SDRAM_OUT: <400ps • CPU-AGP <250ps Pin Configuration **FS0/REF0 **FS1/REF1 GNDREF X1 X2 GNDPCI PCICLK_F PCICLK0 VDDPCI PCICLK1 PCICLK2 GNDPCI PCICLK3 PCICLK4 VDDPCI PCICLK5 PCICLK6 VDDAGP AGP0 AGP1 GNDAGP VDD48 48MHz SEL24_48#/24-48MHz 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23...


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