ICS9248YF-168-T Datasheet PDF - Integrated Circuit Systems

General Description
The ICS9248-168 is a main clock synthesizer chip for AMD-K7 based note book systems with VIA style chipset. This provides all clocks required for such a system.

FEATUREs:
• Up to 153MHz frequency support
• Support power management: CPU stop and Power down Mode from I2C programming.
• Spread spectrum for EMI control (± 0.25% to ± 0.6% center, or 0 to -0.5% or -1.0% down spread).
• Uses external 14.318MHz crystal

Output Features:
• 1 - Differential pair open drain CPU clocks
• 1 - CPU clock @ 3.3V
• 7 - SDRAM @ 3.3V
• 8 - PCI @ 3.3V,
• 1 - 48MHz, @ 3.3V fixed.
• 1 - 24/48MHz @ 3.3V
• 3 - REF @ 3.3V, 14.318MHz.