General Description
The ICS9148-58 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
• Spread Spectrum 0 to -5% down spread.
• 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.