ICS9250-22 Overview
The ICS9250-22 is a single chip clock solution. Spread spectrum typically reduces system EMI by 8dB to 10dB. This simplifies EMI qualification without resorting to board design iterations or costly shielding.
ICS9250-22 Key Features
- 4 Differential CPU Clock Pairs @ 3.3V
- 3V MREF clocks for memory reference seeds, (separate single ended but 180 degrees out of phase)
- 66MHz reference output
- 3V 33MHz PCI clocks
- 48MHz clocks
- 14.318 reference output Features
- Support power management: Power Down Mode
- Supports Spread Spectrum modulation: 0 to -0.5% down spread
- Uses external 14.318MHz crystal
- Select logic for Differential Swing Control, Test mode, Tristate, Power down, Spread Spectrum, limited frequency select,