General Description

The ICS9148-111 is a single chip clock solution for Desktop/Notebook designs using the ALI (Aladdin V™) mobile style chipset. It provides all necessary clock signals for such a system.

Features:

• Up to 100MHz frequency support

• Support power management: CPU, PCI, AGP stop and, Power down Mode from I2C programming.

• Spread spectrum for EMI control (0 to -0.6, ± 0.25).

• Uses external 14.318MHz crystal

• FS pins for frequency select

Output Features:

• 3 - CPUs @ 2.5V/3.3V, up to 100MHz.

• 3 - AGPCLK @ 3.3V

• 13 - SDRAM @ 3.3V, up to 100MHz.

• 6 - PCI @ 3.3V, including one free running.

• 1 - 48MHz, @ 3.3V fixed.

• 1 - REF @ 3.3V, 14.318MHz.

Recommended Application:

ALI (Aladdin V™) mobile.