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ICS9248-131 - Frequency Generator & Integrated Buffers

Description

PIN NUMBER 1, 6, 14, 19, 30, 36, 48 2 C P U 2 .

5 _ 3 .

Features

  • • 3 - CPUs @ 2.5/3.3V, up to 100MHz. • 3 - AGPCLK @ 3.3V • 13 - SDRAM @ 3.3V • 6 - PCI @ 3.3V • 1 - 48MHz, @ 3.3V fixed. • 1 - REF @ 3.3V, 14.318MHz. Features: • Support power management: CPU, PCI, AGP stop and Power down Mode from I2C programming. • Spread spectrum for EMI control. • Uses external 14.318MHz crystal • FS pins for frequency select Key Specifications: • CPU – CPU:.

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Datasheet Details

Part number ICS9248-131
Manufacturer Integrated Circuit Systems
File Size 498.87 KB
Description Frequency Generator & Integrated Buffers
Datasheet download datasheet ICS9248-131 Datasheet

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Full PDF Text Transcription

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Integrated Circuit Systems, Inc. ICS9248-131 Frequency Generator & Integrated Buffers for Celeron & PII/III™ Recommended Application: ALI - Aladdin V™ - mobile style chipsets Output Features: • 3 - CPUs @ 2.5/3.3V, up to 100MHz. • 3 - AGPCLK @ 3.3V • 13 - SDRAM @ 3.3V • 6 - PCI @ 3.3V • 1 - 48MHz, @ 3.3V fixed. • 1 - REF @ 3.3V, 14.318MHz. Features: • Support power management: CPU, PCI, AGP stop and Power down Mode from I2C programming. • Spread spectrum for EMI control. • Uses external 14.318MHz crystal • FS pins for frequency select Key Specifications: • CPU – CPU: <250ps • AGP – PCI: <550ps • CPU(early)-PCI: 1-4ns, Center 2-6ns Pin Configuration VDDF *REF0/CPU2.5_3.
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