ICS9248-64 Overview
The ICS9248-64 is a main clock synthesizer chip for AMDK7 based systems. This provides all clocks required for such a system when used with a Zero Delay Buffer Chip such as the ICS9179-06. Spread Spectrum may be enabled by driving the SPREAD# pin active.
ICS9248-64 Key Features
- Generates the following system clocks
- 3 differential pair open drain CPU clocks (1.5V external pull-up; up to 133MHz)
- 8 PCI including 1 free running (3.3V) @33.3MHz
- 2 AGP(3.3V) up to 66.6MHz
- 2 REF(3.3V)@14.318MHz
- 1 48MHz(3.3V)
- 24 / 48MHz(3.3V) Skew characteristics
- CPU -CPU<250ps
- CPUc <200ps (differential pair)
- PCI: <500ps