W48S101-04

PRELIMINARY W48S101-04 Spread Spectrum Motherboard Frequency Generator Features Key Specifications Maximized EMI suppression using Cypress’s Spread Spectrum technology I2C™ interface Four copies of CPU output Eight copies of PCI clock (synchronous w/CPU output) Two copies of 14.318-MHz IOAPIC output One copy of 48-MHz USB output Selectable 24-/48-MHz clock-through-resistor strapping Three buffered copies of 14.318-MHz reference input Input is a 14.318-MHz XTAL or reference signal Selectable 100-MHz or 66-MHz CPU outputs Power management control input pins Test mode and output three-state through I2C interface Supply Voltages:....................................... VDDQ3 = 3.3V±5% VDDQ2 = 2.5V±5% CPU Cycle to Cycle Jitter: ........................................... 200 ps CPU0:3 Output Skew: ................................................ 175 ps PCI_F, PCI1:7 Output Skew: .......................................500 ps CPU to...