Click to expand full text
DATASHEET
Programmable Timing Control HubTM for P4TM
ICS950201
Recommended Application: CK-408 clock for Intel® 845 chipset with P4 processor. Output Features: • 3 Differential CPU Clock Pairs @ 3.3V • 7 PCI (3.3V) @ 33.3MHz • 3 PCI_F (3.3V) @ 33.3MHz • 1 USB (3.3V) @ 48MHz • 1 DOT (3.3V) @ 48MHz • 1 REF (3.3V) @ 14.318MHz • 5 3V66 (3.3V) @ 66.6MHz • 1 VCH/3V66 (3.3V) @ 48MHz or 66.6MHz Features: • Supports spread spectrum modulation,
down spread 0 to -0.5%. • Efficient power management scheme through PD#,
CPU_STOP# and PCI_STOP#. • Uses external 14.318MHz crystal • Stop clocks and functional control available through
I2C interface. Key Specifications: • CPU Output Jitter <150ps • 3V66 Output Jitter <250ps • CPU Output Skew <100ps, programmable over 800 ps
with groups CPU0,1 and CPU2.