ICS9248-81 Description
The ICS9248-81 is the single chip clock solution for Desktop/ Notebook designs using the SIS style chipset. It provides all necessary clock signals for such a system. Spread spectrum may be enabled through I2C programming.
ICS9248-81 Key Features
- 3 CPU(2.5V/3.3V) up to 133.3MHz
- 6 PCI(3.3V) (including 1 free-running)
- 13 SDRAMs(3.3V) up to 133.3MHz
- 3 REF (3.3V) @ 14.318MHz
- 1 clock @ 24/14.3 MHz selectable output for SIO
- 1 Fixed clock at 48MHz (3.3V)
- 1 IOAPIC @ 2.5V / 3.3V Skew characteristics
- CPU CPU<175ps
- SDRAM SDRAM < 250ps
- CPUSDRAM < 500ps