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Integrated Circuit Systems, Inc.
ICS950703
Programmable Timing Control HubTM for P4TM
Recommended Application: Intel Tehema and Tehema-E Chipsets Output Features: • 4 Differential CPU Clock Pairs @ 3.3V • 2 - 3V MREF clocks for memory reference seeds, (separate single ended but 180 degrees out of phase) • 4 - 66MHz 3V66 output • 10 - 3V 33MHz PCI clocks • 2 - 48MHz clocks (180 degrees out of phase) • 2 - 14.318 reference output (180 degrees out of phase) Key Specifications: • 3V66 Output jitter <300ps • CPU Output Jitter <200ps • MREF Output jitter <250ps Features/Benefits: • QuadRomTM frequency selection. • Programmable asynchronous 3V66/PCI frequency. • Programmable output frequency. • Programmable output divider ratios. • Programmable output rise/fall time. • Programmable output skew.