General Description

The ICS9148-93 is the single chip clock solution for Desktop/Notebook designs using the VIA MVP3 style chipset. It provides all necessary clock signals for such a system.

Features

• Generates the following system clocks:

- 4 CPU(2.5V/3.3V) upto 100MHz.

- 6 PCI(3.3V) @ 33.3MHz

- 2AGP(3.3V) @ 2 x PCI

- 12 SDRAMs(3.3V) @ either CPU or AGP

- 2 REF (3.3V) @ 14.318MHz

• Skew characteristics:

- CPU -– CPU<250ps

- SDRAM -– SDRAM < 250ps

- CPU -– SDRAM < 250ps

- CPU(early) -– PCI : 1-4ns

• Supports Spread Spectrum modulation ±0.25, ±0.6

• Serial I2C interface for Power Management, Frequency Select, Spread Spectrum.

• Efficient Power management scheme through PCI and CPU STOP CLOCKS.

• Uses external 14.318MHz crystal

• 48 pin 300mil SSOP.