ICS9248-73 Datasheet Frequency Generator & Integrated Buffers

Manufacturer: Integrated Circuit Systems

Datasheet Details

Part number	ICS9248-73
Manufacturer	Integrated Circuit Systems
File Size	356.66 KB
Description	Frequency Generator & Integrated Buffers
Download	ICS9248-73 Download (PDF)

The ICS9248-73 is a single chip clock for Intel Pentium II.

It provides all necessary clock signals for such a system.

Spread spectrum may be enabled through I2C programming.

Integrated Circuit Systems, Inc.

ICS9248-73 Frequency Timing Generator for Pentium II.

Generates the following system clocks: - 2 - CPUs @ 2.5V , up to 150MHz. - 1 - IOAPIC @ 2.5V, PCI/2MHz. - 9 - SDRAMs @ 3.3V, up to 150MHz. - 2 - 3V66 @ 3.3V, 2x PCI MHz. - 8 - PCIs @ 3.3V. - 2 - 48MHz, @ 3.3V fixed. - 1 - REF @ 3.3V, 14.318MHz. - 1 - 24_48MHz, @ 3.3V fixed. Supports spread spectrum modulation , down spread 0 to -0.5%, ±0.25% center spread. I2C support for power management Efficient power management scheme through PD# Uses external 14.138 MHz crystal Block Diagram Pin.

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