Description
The CY2280 is a Spread Spectrum clock synthesizer/driver for a Pentium II, or other similar processor-based PC requiring 100-MHz support.
Features
- Mixed 2.5V and 3.3V operation.
- Clock solution for Pentium® II, and other similar processor-based motherboards.
- Four 2.5V CPU clocks up to 100 MHz.
- Eight 3.3V sync. PCI clocks, one free-running.
- Two 3.3V 48-MHz USB clocks.
- Three 3.3V Ref. clocks at 14.318 MHz.
- Two 2.5V APIC clocks at 14.318 MHz or PCI/2.
- EMI control.
- Spread spectrum clocking.
- Factory-EPROM programmable spread spectrum margin.
- Facto.
CY2280_CypressSemiconductor.pdf