ICS9248-151 Datasheet PDF - Integrated Circuit Systems Frequency Generator & Integrated Buffers Specs

ICS9248-151 - Frequency Generator & Integrated Buffers

Datasheet Summary

Description

PIN NUMBER 1 2, 12, 19, 25, 30, 36, 40, 43 3 4 5 6 7 8 9 20, 18, 17, 16, 14, 13, 11, 10 15 21, 22 27, 26, 23 24 28 29 31 32 33 34 35 37, 41 38, 39 42, 44, 45 46 47 48 P I N NA M E VDDREF GND X1 X2 AVDD48MHz FS3 48MHz FS2 24_48MHz AGND48MHz PCICLK_F PCICLK (7:0) VDDPCI FS (1:0)1, 2 AGPCLK (2:0) VDDA

Features

3 - CPUs @ 2.5V, up to 200MHz.
3 - IOAPIC @ 2.5V, ½ PCI frequency.
9 - PCI @ 3.3V,.
1 - 48MHz, @ 3.3V fixed.
1 - 24/48MHz @ 3.3V.
2 - REF @ 3.3V, 14.318MHz.
3 - AGP @ 3.3V Features:.
Up to 200MHz frequency support.
Support power management: PCI, CPU stop and Power Down.
Spread spectrum for EMI control (0 to -0.5%, ± 0.25%).
Uses external 14.318MHz crystal Skew Specifications:.
CPU.

Datasheet Details

Part number	ICS9248-151
Manufacturer	Integrated Circuit Systems
File Size	154.29 KB
Description	Frequency Generator & Integrated Buffers
Datasheet	ICS9248-151 Datasheet
Additional preview pages of the ICS9248-151 datasheet.

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Full PDF Text Transcription

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Integrated Circuit Systems, Inc. ICS9248-151 Frequency Generator & Integrated Buffers for Celeron & PII/III™ Recommended Application: VIA Apollo Pro 266 style chipset. Output Features: • 3 - CPUs @ 2.5V, up to 200MHz. • 3 - IOAPIC @ 2.5V, ½ PCI frequency • 9 - PCI @ 3.3V, • 1 - 48MHz, @ 3.3V fixed. • 1 - 24/48MHz @ 3.3V • 2 - REF @ 3.3V, 14.318MHz. • 3 - AGP @ 3.3V Features: • Up to 200MHz frequency support • Support power management: PCI, CPU stop and Power Down. • Spread spectrum for EMI control (0 to -0.5%, ± 0.25%). • Uses external 14.318MHz crystal Skew Specifications: • CPU – CPU: <175ps • PCI – PCI: <500ps • CPU(early)-PCI: Min=1.0ns, Max=2.

Published: Oct 7, 2005 |